The military-industrial scientific research system of the academic master.

Chapter 1113 Practice No. 7, Autonomous Orbit Determination

Although it was a short break, for the more than one hundred new academicians, the scene before them was no different from the scene of being named on the imperial examination list in ancient times. How could they really sit still?

Therefore, after Academician Lu and several other bigwigs left to prepare for the subsequent certificate awarding session, the scene essentially entered a free discussion stage.

If you have known someone in the past, take this opportunity to reminisce about the past.

Even if we don’t know each other, we will be colleagues in the future after all, so we should always get to know each other.

After all, even if we only look at the second round, there are three to four hundred people who have the opportunity to be selected in each session.

Unless they are particularly famous or happen to be in the same research direction, it is impossible for them to be familiar with each other.

Many of the names are even relatively unfamiliar.

Especially someone like Chang Haonan, who is obviously of a different generation.

Logically speaking, we should take the initiative.

After all, even from a physical perspective, young people should stroll around more.

But most of the time, others know him, but he doesn’t know the other side…

So, in just over ten minutes, dozens of new names appeared in Chang Haonan's mind.

In other words, after rebirth, my memory is much better than before.

Otherwise, this way of recognizing people is basically like a blind bear picking corn, remembering the new ones and forgetting the old ones.

It was not until a few old acquaintances showed up that he finally had some free time to return to his seat and rest for a while.

"Congratulations, Academician Song!"

Chang Haonan stood up and helped Song Wencong, who was walking over, to sit in the vacant seat next to him.

After the latter sat down, he waved his hand and said in a low voice:

"I understand my situation... This year has been so successful, thanks to you and Xiao Yang..."

In fact, as early as more than ten years ago when the J-7III was finalized, Song Wencong had already begun to participate in the selection of academicians of the Academy of Sciences.

But this model cannot be called a success, the evaluation of the troops was average, and there was no further news.

Naturally, there was no hope for those selections.

When he later took charge of the development of the J-10, he was already quite old.

Especially in the middle and late stages, it was difficult for the physical condition to keep up, and a lot of work was actually undertaken by Deputy Chief Engineer Yang Wei.

As for Chang Haonan...

In addition to promoting the J-10 itself, another help he provided was the establishment of the Aviation Power Group.

After the separation, "outsiders" flourished in all directions and even began to get involved in the aircraft research and development business. The threat was so great that the aviation industry system showed amazing unity in the two selections in 01 and 03.

This is also an important reason why Song Wencong was successfully elected.

Of course, these are internal family matters and cannot be discussed publicly.

So Song Wencong just mentioned it vaguely, and everyone just understood it.

As for Chang Haonan...

He has been using various means to downplay the disputes within the system from the beginning, and it is even less likely that he will dwell on this topic at this time:

"I don't know... Which direction will Academician Song continue to develop in?"

In his previous life, Song Wencong basically entered retirement after the basic model of the J-10 entered service. Even the J-10S was developed under the leadership of Yang Wei.

But now that I have put on the hat, I must continue to make use of my remaining energy.

Otherwise, wouldn’t all the resources invested in you be wasted?

"I am already 73 years old, what development can I talk about..."

Song Wencong and Chang Haonan were two generations apart in age, and they knew each other before, so the former didn't care much about the situation in private:

"It should be a title within the group... As for the specific work, it will definitely be led by the young people of Xiao Yang's generation..."

The two then talked about some things in the past.

However, the environment at the symposium obviously did not allow Song Wencong to "monopolize" a celebrity like Chang Haonan for a long time.

Soon, someone else came up to them:

"Congratulations, Academician Chang!"

The man had thick short gray hair, high cheekbones, and his eyebrows were distinctive in that one side was higher than the other.

He looks about the same age as Song Wencong, but seems to have more energy.

Chang Haonan always felt that he must have seen this person somewhere.

But I really couldn’t remember it for a moment.

Fortunately, the other party immediately reported his name:

"Meng Zhizhong used to work at the Eighth Academy of Aerospace Science and Technology. We had a meeting together at the China Aerospace Science and Technology Corporation before, but we never spoke to each other..."

"But you should be very familiar with Comrade Guo Liqiang from our unit... I heard him mention you several years ago."

Just two or three sentences brought the two closer together at the speed of light.

Chang Haonan also had some impression at this time.

Meng Zhizhong should be the chief designer of the Fengyun series of meteorological satellites. He is also an old comrade who has been involved in satellite design since Dongfanghong-1.

However, he just thought the other party was just trying to strike up a conversation with him, so he replied in a simple and casual way:

"Yes... Mr. Guo and I have worked together on both the No. 11 and No. 13 bomb projects. We are old acquaintances."

Guo Liqiang was the deputy chief engineer who was actually responsible for the research and development of PILI 11 back then.

Later, when Chang Haonan was developing passive positioning technology, he worked with him to modify a large-scale air-to-ground/anti-ground missile based on the huge R33 missile body.

It has now entered the trial installation stage and has become one of the main airborne weapons of the J-11 and J-12 together with the PL-10/11.

This saved the pitifully rich air-to-ground weapons arsenal of the Chinese Air Force, and also gave fighter pilots a second ground-to-ground subject to practice besides their traditional rockets...

Logically speaking, the two of them now know each other.

However, the other party had no intention of leaving.

Instead, the conversation changed:

"I remember... after the Qingluan No. 1 constellation, Mr. Chang's next step should be to prepare for communication technology verification on a larger satellite platform?"

When Chang Haonan heard this question, he was stunned.

Then I realized that Academician Meng might not just come to chat.

But there is really something to talk about.

Song Wencong, who was standing next to him, also found a reason and got up and left.

Although what can be discussed in this occasion would definitely not be anything highly confidential, he is an irrelevant person after all, so it is better for him to avoid it.

"really."

After bidding farewell to Academician Song, Chang Haonan nodded:

"The general situation has been reported for approval, and the specific allocation should be to the Practice-7 satellite cluster."

This matter is not a secret within the Aerospace Science and Technology Corporation, and the other party asked just to pave the way.

So there is no need to hide it.

"It's like this, Academician Chang... We have a new technology here, and the ground tests are almost done, so we want to find a satellite platform to carry it..."

Chang Haonan was a little surprised when he heard this:

"It's not that I don't want to...but the Practice-7 series is expected to use the Dongfanghong-3 platform, which is not particularly large in size. We plan to carry a large number of channels on it, and the mission payload is already very tight..."

"And Academician Meng, logically speaking, the project you lead shouldn't need to piggyback on verification, right?"

After entering the 21st century, although China's rocket launch frequency is still not as high as those of traditional aerospace powers, it is much richer than in the past.

In addition, the model he has on hand is ostensibly a meteorological satellite, but in fact it is similar to Ocean No. 1 and is responsible for some testing tasks of military remote sensing technology.

Logically speaking, even if all four satellites of Fengyun-1 have been launched, he should also have the ability to build a separate technology verification satellite.

"Actually, it can't be considered as a project on hand... and this mission, how should I put it..."

Meng Zhizhong sighed helplessly:

"The payload is very small and still far from practical application, so no matter who comes, they have to find an opportunity to hitchhike... But the satellite structure needs to be modified, so it can't be placed on a functional satellite..."

It's indeed a bit awkward.

But Chang Haonan became interested instead:

"Tell me more specifically?"

"Academician Chang should know Beidou, right?"

This question was obviously nonsense, so Meng Zhizhong didn't even wait for Chang Haonan to answer, and continued directly:

“Chief Engineer Fan Benyao hopes that when the complete Beidou system is built in the future, he will be able to realize it himself and also give other networking satellites the ability to autonomously determine orbits and calibrate themselves. On the one hand, it will improve the survivability in extremely special periods, and on the other hand, it can also relieve the pressure on ground tracking and control stations…”

"The Practice 6 satellites that are about to be launched have only two satellites in each group and cannot form a network by themselves, so only the Practice 7 satellites you have, Academician Chang, meet the requirements..."

Chang Haonan understood now.

The so-called "extremely special period" refers to wartime.

Although the technology to physically destroy satellites is not yet mature, there are many ways to interfere with satellite orbits.

Being able to determine orbit autonomously can be considered as improving the level of countermeasures.

It will also be of great benefit to the medium and low orbit communication network that he hopes to build.

If you ask me about support, I definitely support it.

But Practice No. 7 had to satisfy his own requirements first, so he did not answer immediately, but further confirmed:

"Our satellite constellation needs to change orbits many times, so the fuel for the unified bipropellant propulsion system is relatively tight. The remaining fuel for your orbit determination test... I'm afraid it won't be much."

Seeing that Chang Haonan had not made his point, Meng Zhizhong immediately expressed his opinion:

"Don't worry, since we are just hitchhiking, we will definitely put ourselves in the right position and prioritize the core mission!"

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