Military Industry of Great Powers: Build the Strongest Flanker

EDA software is developing rapidly. Xu Guangyuan and Yang Bochao were two people. Zhao Guoqing took them with him when he developed the phased array radar chip.

Unlike others, these two people have a certain knowledge of software and hardware. They participated in the entire process of research and development of phased array radar fire control computing chips and ADC/DAC chips, and are quite prestigious in the R\u0026D team.

Under the step-by-step guidance of Teacher Xiao Zhao, all functional modules of the EDA software were basically completed without any detours.

The progress is so fast, not because EDA software is very simple, but because Teacher Xiao Zhao has used it and has done research on the development of EDA software. He knows which roads are feasible and which roads are dead ends. And now, Computer-aided design in the West is still in a trial-and-error process, and mature products in the West are still a few years away!

Next is the communication and testing link of each module. The most important task in this link is to find bugs. For programmers, bugs will always exist...

…………

Zhao Guoqing did not stay longer in the EDA software workshop. He had no choice but to come over again.

Dashu Mountain in the western suburbs of Lucheng.

The military personnel have restricted the area within a five-kilometer radius. There are dense woods on the mountain, and it doesn't feel very hot under the shade of the trees.

The prototype has been carried to an open area on the mountain, a 110v cable was hauled from a nearby substation, and a military radio station was set up.

Jia Pengfei and Bi Changliang are conducting final inspections on various components of the 623 radar.

The array antenna with a diameter of 800 mm is densely packed with 864 phased array antennas. The entire array is divided into four quadrants, each with four independent power supplies and four phase control circuits, which can work independently or They work simultaneously or in groups under the control of the fire control computer, except that the high-frequency current excitation circuit is shared.

This design fully takes existing technology into consideration, and can actually be seen as being assembled from four XKZ-01 radars installed on the J-7.

Except for the antenna, which is processed by Factory 217, the entire machine is completed by Lucheng Electronics Factory, Hucheng Integrated Circuit Factory and several other electronics factories that cooperate with Datacom Electronics Factory.

The entire final assembly is completed in 14 workshops.

For this test, Muhu rushed back from the capital.

After two months, it still felt unreal to him. When he saw Teacher Xiao Zhao absent-mindedly, as if waiting to go home for dinner after the test, Mr. Mu was confused.

"Teacher Xiao Zhao doesn't take it seriously at all!"

The scheduled test time is to start at 7:23 pm and end at 8:16 pm.

The reason why the timing is so precise is because the microwaves emitted by the phased array radar may interfere with the communication of Minghang or other equipment. This is the time given by the air finger coordination place.

The content of the test was simple and clear: three fighter planes took off from Wuhu Airport and stayed at an altitude of 10,000 meters for 20 minutes. The distance was from 200 kilometers to 400 kilometers. Can the test 623 radar be seen? Can you track it after seeing it? Can it be locked after being tracked?

Muhu was looking forward to it and excited at the same time, and asked: "How about it, Director Zhao, can it be done?"

Zhao Guoqing pointed at Jia Pengfei and Bi Changliang and said, "Ask them, one of them is the chief engineer and the other is the chief engineer. I don't have much control over this project!"

"..."

The 623 radar project has not even been approved, and the research and development funds were advanced by 101. Mr. Mu felt a little guilty.

"Director Zhao, how about I apply with Kongzhi to allocate some subsidies to Institute 101? Do you think 500,000 is enough?"

It is too unreliable to count on empty-handed subsidies. The Air Force has had the most difficult life in recent years, and every penny has to be broken in half to spend.

Besides, Teacher Xiao Zhao is not short of the 500,000 yuan. Last month, 101 Institute also donated 1 million yuan to the University of Science and Technology, and another 1 million yuan to Xidian University to establish the 101 Scholarship.

Even for the Outstanding Contribution Award for internal design of 101 Institute, the total amount has reached 500,000, covering 101 Institute, 14 Institute and the teams that cooperate with 101 Institute, 14 Institute, including the Core Energy Processing Factory under 101, Datacom Electronics factory.

Anyone who has contributed to technological breakthroughs will be rewarded, and the highest one can be rewarded with 20,000 yuan. This is a step to the sky.

With the precedent of Ma Yongguo, the state-owned assets did not say anything this time.

But it still caused a stir within the system.

The number 20,000 is so exciting.

"Mr. Mu, we will test it right away. We will know if it works after a while."

After waiting for an hour and fifteen minutes, news came from the radio.

"Reporting to President Mu, all preparations for the Wuhu Air Force Training Center have been completed. Civil Aviation has confirmed the time. Please give instructions whether to test or not!"

"test!"

After a while, three J-7 fighter jets, spraying orange-red tail flames, rose from the runway of Wuhu Airport.

Bi Changliang squatted next to the radar screen and said, "Report to Mr. Mu, three planes taking off from Wuhu Airport have been detected, bearings 635, 582, altitude 658..."

The message was transmitted from the radio station to the Wuhu Airport tower. The tower checked the data measured by the air warning radar and replied: "Report to Mr. Mu, the test radar data is consistent with the tower data!"

Mu Hu took a long breath. The straight-line distance from here to Wuhu Airport is 183 kilometers. This data is already on par with the data on the J-7. Even if it can only detect this far, it is still a top-notch radar.

The detection distance records continue to increase as time goes by.

Mr. Mu stood behind the radar screen and saw that the coordinate information under the three targets kept changing. The data indicating the distance climbed to 276 kilometers. It was not until 313 kilometers that the echo signals became intermittent.

313 kilometers, 313 kilometers! Mu Hu stared at the number without blinking.

A record!

This data is not final yet.

"Turn on the gaze state!"

There was a slight sound of electricity, and a burst of snowflakes appeared on the radar screen. After two or three seconds, it became clear again, and the three target points were clearly visible again.

"Bearing 542, 655, altitude 12534, distance 389 kilometers..."

At this time, the ground warning radar at Wuhu Airport could no longer detect the aircraft signal, and could only confirm via radio with the pilot on the aircraft.

When the information was confirmed, the control tower at Wuhu Airport also became excited.

"Report to Mr. Mu, the data is consistent, the test data is consistent!"

389 kilometers, 390 kilometers, 395 kilometers, 410 kilometers, and it was not until 410 kilometers that the radar signal completely disappeared.

410 kilometers, the curvature of the earth is large enough. Even if the aircraft flies to the extreme height, the 623 radar placed on the Dashu Mountain may not necessarily see the aircraft directly. This is because the target signal suddenly disappears, rather than the signal weakening first and then slowing down. Slowly detectable.

But this distance is enough, 410 kilometers, which is considered the world's top technology.