DCS WORLD: Moduli di Terze Parti

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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 22 ottobre 2021, 17:17

Graphics - Staff ha scritto:
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F-14A/B Tomcat - CV-59 Forrestal Class Supercarrier

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Forrestal was a highly successful United States aircraft carrier that saw action over four decades, including extensive operations in Vietnam. This detailed recreation of the CV-59 USS Forrestal represents some of the capabilities from DCS: Supercarrier including and not limited to; defence systems, night lighting, and catapult/arrestor systems. Please have a look at the beautiful DCS Forrestal Launch Day video.

The updated LANTIRN targeting pod and bombing system is now available from the control menu and allows JESTER AI full control over procedures.

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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 24 ottobre 2021, 1:11





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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 25 ottobre 2021, 17:49

Flyingironsimulations.com ha scritto:
DCS A-7E Corsair II: 2021 Q4 Development Report

Firstly, thank you all for being so patient in waiting for this report. Your continued support & interest in the project gives us more & more motivation to continue making the A-7E the best it can be!

Today I (Dan) will be discussing the Corsair, how development is going and talking through some of the systems that we've been working on. Development has been cracking along at a fantastic pace these past few weeks in particular, with tasks & milestones being ticked off our list almost daily. This is a very exciting time for the Corsair, so there's plenty to talk about.

Before starting I'd also like to put it out there that we are constantly looking to expand our SME team and bring in more experts, so if you or anyone you know has flown or worked on Corsairs, please get in touch with us!

Now, let's start with the Flight Model!

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Flight Model Development

Development of our EFM (External Flight Model) is going well and is currently focused upon building up & expanding upon our full-fidelity iteration of the EFM that was discussed in our last development report.

To recap, our EFM is being built upon a combination of wind-tunnel data, CFD generated data as well as feedback & information from former A7 Pilots. So far I have developed a base Flight Model that we are very pleased with - our goal was to create a base EFM that captured the key aerodynamics & characteristics of the Corsair with only minimal aerodynamic data, which I've now achieved. This now provides a strong & accurate aerodynamics 'base' that I can build & expand upon, which is exactly what I've been doing over the past months.

We have been using the excellent CFD program, FlightStream, with the aid of DARCorp to help us capture flight data to be used in the EFM. For those that don't know, CFD software essentially simulates air flow over a CAD model to predict & calculate aerodynamic forces over any range of flight conditions. Below is a quick plot of real-world wind tunnel data (orange) vs Flightstreams predictions (blue) for pitch-moment forces. Note that this was captured with our first test CAD model, which was of a low fidelity & has since been improved; even so, the results are excellent - notice that accuracy continues well past the stall region and all the way up to 90 degrees Angle of Attack!

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Recently I have completed & integrated aerodynamic models for the Landing Gear & Trailing Edge Flaps, with work ongoing to integrate the leading edge flaps as well as the inboard roll spoilers. Drag modelling has been significantly improved, with a focus on Mach corrections & improvements in the transonic range. The TF41 engine modelling has also been expanded upon, with thrust calculations now significantly more accurate and spooling delays implemented.

Over the next few months I will be working to expand upon control surface modelling, edge of envelope performance and working closely with SME's to perfect stall & spin modelling.

AN/ALR-67 RWR

I'm very happy to say that the core functionality of the RWR has already been developed and implemented, meaning that the 'hardest part' of development is already done here. With that in place, development is now focused around calculating priority groupings & threat rings, implementing lock/launch & other symbols and finally updating the sounds.

Development is focused on recreating the AN/ALR-67 Radar Warning Receiver, which was used in the later stages of the Corsairs lifespan along with the ALR-45F Display. The ALR-67 is also used in the F/A-18, F14B and many other Western aircraft & therefore be very familiar to many of you. One of our SME's, a former A-7 avionics tech for LTV, had this to say about the RWR system "...Big advantage of new RWRs and HARM was precise Electronic Intelligence (ELINT) files and direction finding within 360 degrees with no time consuming manoeuvring and aligning as was the case with Shrike. In high concentration of enemy radars, lots of tones in the headset were annoying to pilots, but for survivability most tolerated and survived to fight another day."

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Heads-up Display

Whilst we have had a placeholder HUD system in place for quite some time that has served us well, over the next few weeks I will be continuing development of the full HUD simulation. We are developing the AN/AVQ-7B(V) HUD, which was installed on A-7E's after Airframe Change No. 390.

The AVQ-7B variant of the HUD has the additional capability of operating in Night Mode in conjunction with the Forward Looking Infrared (FLIR) system. When in night mode, HUD symbology is combined with video feed from the FLIR to create a composite display on the HUD that provides excellent night vision.

Over the next few weeks I will be finishing development of the basic Nav Modes & display elements, and then moving onto the fun stuff: CCIP & CCRP ;)

Here is an excellent overview & demonstration of the HUD in action on a real A-7 Corsair!




Projected Map Display System (PMDS)

I'm pleased to say that development of the PMDS is well past halfway, with all basic modes & functionalities now modelled accurately. The PMDS works by projecting film-strips onto the display, with the film strips being scrolled & rotated to reflect the aircrafts heading & position. The film strips were comprised of photos of aeronautical charts at 2 scales: 1:500k & 1:2 million. This gave the PMDS two scale settings, equating to approximately a 10nm radius on the display and a 50nm radius on the display. The PMDS also features a 'Data' mode, where spare film on the film-strips could be used to store flight data & procedures for the pilot to view when needed.

With all of the basic modes & functionality of the PMDS modelled, I will be moving onto more advanced features over the coming weeks & months, including: PMDS Slew Functionality, Manual/Hold operation, mark point saving as well as having Alex complete the visual & art elements of the display (textures, glass, model etc).

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AN/APQ-126(V) Forward Looking Radar

The forward looking radar is designed for ground mapping, A2G ranging & weapons delivery, beacon operation & terrain avoidance. The dynamic range of the display allows it to be dimmed sufficiently for night ops. It has 11 modes of operation:

1. Beacon
2. Terrain Avoidance
3. Ground Map, Pencil
4. Ground Map, spoiled
5. A2G Ranging
6. A2A ranging
7. Combined Terrain Following & Terrain Avoidance (CSTA)
8. Combined Terrain Following & Ground Mapping (CSGMP)
9. Terrain Following
10. Shrike Improved Display (SIDS)
11. Television Display

The television display can be used to guide optical weapons, such as the Walleye.

I'm pleased to say work has begun in earnest on the radar system; here you can see some very WiP shots of our proof of concept testing. We are using the ground radar API developed by ED, which so far has been excellent and works well for the Corsair. So far I have modelled a basic ground mapping mode & am now working to develop additional modes, as well as aiming & weapons delivery logic.

NB: Again, these images are a proof of concept test and missing all relevant art elements & setup.

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Artwork

You'll notice that this development report is a little sparse with images - that's because unfortunately we don't have much new to show yet in terms of art! Alex, our Artist, has largely been focused on MSFS work over the past few months as he hasn't been urgently needed on the A7 - I still had lots of programming work to do in order to catch up.

Recently however, we have expanded our team with 2 additional artists doing amazing work for us. With that work now complete, one of our new artists has been assigned to overhaul, update & complete our 3D model, both inside & out. Our artists have proven over the last few weeks that they can create extremely high quality models incredibly quickly, so we are very excited to see what they can do with the A7 over the next couple of months!

We will be sharing some images of their work alongside our next MSFS Module announcement sometime in the next few weeks :)

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Roadmap

Previously we have discussed our development roadmap as consisting of 4 phases of development, with release to come after the completion of Phase 4. We're extremely happy to say that since our last development report, Phase 2 of development has been fully completed and Phase 3 has been in full swing for a couple of months now. Development speed has increased significantly, thanks to Raimond (aka GotGravel) joining the team to help with our MSFS branch, which has in turn freed me up to work on the Corsair 7 days a week.

Our main goals for Phase 2, which are now complete, included:
- Functional & Flyable EFM , low-mid fidelity
- Key analogue gauges integrated for testing
- Core Systems modelled & integrated (Electrical, Fuel, Hydraulic, etc)
- Basic Functional HUD: Nav Mode
- Pylons + Loadout Setups
- AI SFM integrated
- Key Clickable switches integrated

With all that done, Phase 3 is now in progress, with many milestones already tracking very well and progress happening quickly. Phase 3 has many goals & milestones attached, but to summarize it is about developing full fidelity simulations of all of the Corsairs key avionics, weapons & flight systems - the idea is for the Corsair to be ready for SME flight testing once Phase 4 begins.

Phase 4 of development will be centred around SME testing & feedback; perfecting the EFM, avionics and filling in any missing details.


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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 28 ottobre 2021, 6:49

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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 1 novembre 2021, 0:27




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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 7 novembre 2021, 17:44






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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 10 novembre 2021, 1:42

LJQCN101 - 3rd Party Developers ha scritto:
JF-17 Thunder - New experimental radar performance model

Hi, currently we're working on a new radar performance model, considering various factors affecting RCS and radar waves propagation.

We want to first implement three contributing factors: the variation of RCS with aspect angle (different model for different types of aircraft), the effect of atmosphere density and the effect of ground clutter.


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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 13 novembre 2021, 14:10

6S.Duke - 3rd Party Developers ha scritto:
IndiaFoxtEcho Development report

DCS MB-339

We are very proud to announce that we have completed a build of the DCS MB-339 which we think is complete and good enough for the submission to Eagle Dynamics for their review. Sure there will be other improvements to make, but we are very satisfied with the work we have done so far.

We do not have a release window yet, as it will depend a lot on the feedback from ED, but we are confident that the product is in good shape.

DCS G.91

We are also moving forward with the G.91 and we are currently focusing in detailing the visual model - here a couple of renderings from our cockpit assets. We believe that the development time will be much shorter than the MB.339.


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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 14 novembre 2021, 0:50

myHelljumper - DCS Ground Crew ha scritto:
Mirage 2000C update presentation

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Hello Mirage pilots, we are very pleased to present you the upcoming radar update for our M-2000C module. The team has been hard at work for the last 6 months on creating a new radar framework for Razbam modules that will be used first to simulate the RDI radar.

This update should release in the next Open Beta update.

In this update presentation, we will first introduce the RDI radar with its improvements and additions. We will then talk about the air-to-air changes that will be introduced in this update, the other improvements and we will finish with the updated manual.

RDI Radar

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Introduction

Our Mirage 2000C uses the RDI (radar doppler à impulsion) radar, its primary mission is to detect and track air targets at long range in clear sky as well as in look down against targets flying as low as 30m. It has a secondary capability to carry out ranging for air-to-ground weapon delivery as well as low altitude navigation with ground mapping and terrain avoidance modes.

Radar modes

All the already implemented radar modes have been reworked and the missing modes have been added.

Here is a list of the added modes:

  • PSIC Super 530 (Poursuite sur information continue Super 530 – Single target track Super 530): PSIC sub-mode that is selected when a Super 530D missile has been fired. This mode lasts 50 seconds during which the radar will continue to try to illuminate the target even if the lock is lost.
  • SHB (Sécurité haut-bas – Terrain avoidance while track): The radar alternate between PSID and DEC mode.
  • RRAS (Ralliement radar sur alidade/site – Radar slave to TDC/elevation): The antenna position is slaved to the TDC in azimuth and the HOTAS antenna elevation command in elevation. The radar will execute a PSIC on the first target it detects within 10nm.
  • VISU (Visualisation du sol – Ground mapping): The radar is used to display a map of the ground.


Memory mode has been added to PSIC where the radar will try to reacquire the target for up to 5 seconds after the lock is lost.

Radar model improvements

A lot of effort has been put into creating a realistic doppler radar model that recreates the strengths and weaknesses of this type of radar.

The RDI radar mainly works in HPRF (high PRF) and uses doppler filtering to discriminate aircrafts from the environment and display a clear picture to the pilot. The simulation of the HPRF modes includes range ambiguity, detection probability based on target range, RCS and closing speed as well as a simulation or background noise with associated filters based on altitude, terrain shape and type.

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The RDI radar can also work in LPRF (low PRF) for terrain mapping/avoidance or in bar search. In this PRF setting, the raw radar image is presented to the pilot without any doppler filtering, making targets hard to find in look down.

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The main weaknesses of a doppler radar are its different doppler filters it uses to remove ground returns from the radar picture. There are 3 filters:

  • Main lobe filter (red): Filters the ground returns coming from the main lobe, preventing the radar from detecting aircraft flying tangent to the radar (called a notch maneuver).
  • Altitude return filter (yellow): Filters the returns from the ground directly below the aircraft, preventing the radar from detecting aircraft with a low closing speed (aircraft flying in the same direction at roughly the same speed).
  • Side lobe filter (noise filter): Filters the ground returns coming from the radar sidelobes, this filter reduces the range at which aircraft closing with a speed slower than the radar can be detected (aircraft flying in the same direction at a slower speed).


In order to get the maximum detection range possible, these filters are lowered as much as possible. This leads to the radar displaying spurious contacts (false contact) every 2-3 bar.

The Main lobe filter is disabled in look-up, which can lead to the detection of chaffs by the radar.

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We will now list other improvements that have been made to the radar:

  • Uncorrelated IFF diamonds with new and improved IFF interrogation modes.
  • Improved jamming representation.
  • Improved MDO and RDO (yellow memory targets).
  • New persistence mode in 1 bar search.
  • New doppler rejector switch and behavior
  • New radar Z mode elevation controls.
  • New gain knob for BFR and VISU radar image control.


Air-to-air improvements

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To go along the new radar, we did a complete overhaul of the Mirage air-to-air. This overhaul's main improvements are fixes for the current as well as new symbology for the different air-to-air modes.

MAGIC

All the MAGIC mode symbology has been reworked and improved to be more realistic. While the whole VTH symbology was improved, this mode did not change very much as the previous implementation was mostly correct.

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Air-to-air guns

The air-to-air gun mode main change is the rework of the tracer line and associated symbology. The new tracer line should be smoother and more accurate.

The shell markers and salvo markers symbologies have been added, they both represent virtual tracers coming down the tracer line. The shell markers are always displayed and represents 2 virtual shells while the salvo marker represent the whole salvo and are displayed when the trigger is pressed (1st or 2nd stage)

The distance meter has been improved with the addition of the analog closing speed, a chevron indicating what the target range will be in 5 seconds at the current closing speed.

The shoot incitation symbology has been added, it is activated by placing the gun shoot incitation switch on the head-up command panel in the PRED position. The shoot incitation is represented by the duplication of the target square or triangle on the VTH and indicates that the aircraft estimates that the current gun solution will result in a hit.

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530

The 530 mode and associated radar mode have seen a lot of improvements that should lead to a higher probability of kill for the missile.

The time of flight and DLZ have been reworked, they now take the aircraft and target altitude, range, speed and aspect into account to give a more accurate information.

The Super 530D seeker is now simulated and will require to be locked on the target before the missile can be fired. This lock is indicated by a 650 Hz tone (same as the MAGIC lock tone) and by the missile status letter being circled on the VTH. The seeker range should be above the missile kinematic range in most cases but could result in bad surprises in look down scenarios.

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When a Super 530D is fired, the radar switches to PSIC Super 530 mode, a sub-mode of PSIC that lasts 50 seconds (45 seconds of missile lifetime + 5 seconds). While the radar is in this mode, if the target is lost, the radar will continue to illuminate its last known trajectory and try to reacquire the lock for 8 seconds. After the 8 seconds are elapsed, the radar will switch to forced illumination mode where it will continue to illuminate the target’s trajectory but won’t try to reacquire the lock anymore. During memory and forced illumination mode, even though the target is lost by the radar, if it is still in the radar cone, the Super 530D will continue to guide on it as it is still illuminated.

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If the memory or forced illumination modes are not able to continue illuminating the target, the pilot can choose to switch to PSIC Super 530 pointé mode. This mode works as a flood mode and will slave the radar antenna to the aircraft axis. The pilot will need to aim the radar at the target using the aircraft to continue its illumination for the missile.

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Police

For the police mode we completely reworked the interception director and added a new symbology.

The interception director will now guide the aircraft to the employment domain for the selected weapon: all aspects for the MAGIC II and Super 530D missiles, rear aspect for the air-to-air guns and police mode. For rear aspect interceptions from a head on situation, the director will guide the aircraft on a hard turn to place itself behind the target aircraft.

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The distance meter has also been added to police mode when close to the target. It is displayed fixed at the center of the VTH and works in the same way as the air-to-air gun distance meter with the addition of the police range.

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Other changes

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In addition to the radar and air-to-air modes rework, we implemented a lot of quality of life updates for the Mirage.

We will list some of them :

  • Total rework of the VTB and VTB symbology in SVG.
  • New PCN, fuel flow and frequency repeater fonts.
  • ILS needle test.
  • Realistic back-up ADI spindown and caging.
  • Realistic radio frequency repeater with special option to keep the old implementation
  • SRS integration for PTT as well as transmission and reception indication inside the cockpit.
  • New AoA popup to replace the VTH indication.
  • New dynamic RWR symbol page, with RWR customization in saved games folder.


Updated manual

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To go with the release of this update is the updated manual. The manual has been reworked to give more useful information to the user and updated with the latest changes for the Mirage 2000C.

Conclusion

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With this update we brought the Mirage radar and air-to-air systems to the level of quality and realism they deserve. We will continue to improve the module by going over the remaining systems with the goal of making it the best Mirage 2000C simulation possible.

IMPORTANT: A lot of bindings have changed with this update (landing gear, trigger, antenna elevation commands....), check everything before comitting to a merge without the trigger command bound.

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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 14 novembre 2021, 18:48





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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 21 novembre 2021, 1:25




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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 22 novembre 2021, 0:20




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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 23 novembre 2021, 16:49





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Re: DCS WORLD: Moduli di Terze Parti

Messaggio da Phant » 26 novembre 2021, 1:23

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