In later generations, there were different opinions about the 1471 radar.

Some people say that this kind of radar is for the J-83, and the J-83 was started after the failure of the Peace Model project, and the project was established in the nineties, so the 1471 radar was also started in the nineties at the earliest.

And look, what was there in the eighties, J-8 is still repeated on the 208 radar, if there is a 1471 radar, why not use it?

Of course, this is only one side, and the development of the domestic military industry is studied in a decentralized manner by many departments, and if the relationship between these departments is not clear, it is easy for confusion to occur.

The 1471 radar, of course, appeared in the eighties, and now, it is tirelessly making breakthroughs, and by the early nineties, it has completed its research and development, and it has also won the special prize of the Ministry of Scientific and Technological Progress, and when the peace model project was terminated, it has already come out.

It is not because of the lessons of the peace model that we have decided to develop ourselves.

But since it came out, why didn't it equip the fighters? At that time, there was an urgent shortage of advanced radars in China, and since they all had them, they should use them quickly.

There is, but there must still be problems in performance, 1471 radar, just a flame, a spark of fire, it is the first breakthrough, with its appearance, the country is considered to have completed the research and development of pulse Doppler radar, and then, on the basis of it, continue to improve, but also use the continuous development of electronic technology to improve it.

In the eighties and nineties, electronic technology was developing rapidly.

The electromagnetic waves radiated by the radar are analog signals, and the post-processing is digital signals, so on the radar, it is necessary to convert the analog signal and the digital signal, in the conversion, sampling is an important indicator, specifically, it is how many parts of a radar waveform are divided, the more copies, the higher the sampling rate.

The AWG-9 radar on the original American Tomcat fighter, because of the long development period, so the analog-to-digital conversion ability is low, the sampling rate is low, so there is only a low repetition rate, medium repetition rate, with the development of time, in the early 80s, high-speed and high-frequency analog-to-digital conversion chips appeared, only to have the first full-waveform PD radar, and later, the APG-71, which continues to improve, has increased the analog-to-digital conversion level by more than 10 times, so that the performance is further improved, and the target can be found from more complex ground clutter, The level of downward vision and the level of anti-interference have been greatly improved, which is the inevitable result of technological development.

As long as the principle is clear, the prototype is manufactured, and then upgraded, and gradually improve the performance, this is an absolutely correct path, and when it develops to the 1473 radar, it has begun to bloom everywhere, whether it is J-8 or J-10, it can be equipped.

Now, it's just a solid first step.

After more than two hours of chattering, Qin Feng took his wife and children and left the university campus, Qin Xue only sent it to the door, and then hurriedly ran back, she wanted a lot of materials to read, technology to learn, she had already started to work hard.

Teacher Zhang's words are encouraging her to be a scientific and technological personnel and contribute to the strength of the motherland!

When he returned to Factory 132 from the University of Electronic Science and Technology of China, Qin Feng suddenly found that there was something wrong with the atmosphere in the factory today.

What's going on?

Tu Lao's face was excited and worried, and when he saw Qin Feng coming, Tu Lao still smiled: "A good news or a bad news, which one do you listen to first?" ”

"Okay." Qin Feng said, it's rare for Tu Lao to be so humorous, of course Qin Feng has to cooperate, which shows that Tu Lao is actually in a better mood than bad.

"The good news is that the Pakistani side has officially submitted a tender for the Sabre-2 project."

Sabre 2? What is it? Seeing that a question instantly appeared on Qin Feng's face, Tu Lao immediately explained: "This project is the Jian-7 CP project that we are engaged in in China, and in their place, it is called Sabre 2."

This project has officially started bidding, which is the most anticipated and positive step!

"And what about the bad news?" Qin Feng asked.

"Lao Ba, they want to find an American company as the main contractor." Tu Lao said.

When he heard the news, Qin Feng shook his head: "No, no, this is not bad news, we have been prepared for a long time, to respond to all changes without change, they want to dominate, it is absolutely impossible, it's a big deal, let's go it alone, in other words, they have this new trend, which means that there is a new development." ”

"Yes, Lieutenant General Jamal has been promoted, he has become a general, chief of staff of the Air Force, and now he is the number one, and he has single-handedly promoted this project." Tu Lao said.

Lao Ba, this is testing everyone.

The purpose of the tender is very clear, which is to improve and improve the J-7M and develop this light aircraft into a multi-role fighter.

At the same time that the request for proposals was issued, they also began to continue to engage with the American side.

The United States has a large number of fortifications, such as Northrop, Grumman, Boeing, Walter, etc., some of these companies have already come to their own side, which can be regarded as a preliminary foreshadowing, but the Pakistani side wants to find a main contractor from these companies, and everyone absolutely cannot agree to such a proposal.

Moreover, the tender also gave a definite direction: the radar is still uncertain, and in terms of engines, it is required to develop 2 prototypes, one with F404 engines and one with Pw1120 engines, which will be decided after test flights.

As for the scale, Pakistan will purchase a total of 150 Sabre-2 fighters, and the unit price of the aircraft has risen a little more, not less than six million, and in particular, there is an additional condition that the development, modification and assembly of such aircraft will be carried out by the Kamra Aviation Complex of Pakistan.

They want to rely on this project to improve the level of aviation manufacturing in their country!

This tender shows that the Pakistani side is serious, has done a lot of preparatory work, and it seems that it can officially start, but there are also many problems, in addition to the problem of the unhappy main contractor, there is another that is, they also want to compare and engage, and actually want to engage in two engine versions.

The F404 is similar, but the PW1120 engine does not match the intake flow rate and its own, so it is not so easy to improve.

Moreover, to build two at the same time, the amount of work to develop is very large, and a lot of money will be wasted, and only one type will be chosen in the end. Even if it is Pakistan's investment, can their domestic economic situation support it?

If you want to sell something, you have to see how much money the buyer has in his pocket.