From small town scholar to chief scientist

Before entering the door, Zhou Yi heard their voices calling him.

"Professor Zhou, Professor Zhou. We have some ideas, but we always feel that something is wrong."

When Zhou Yi heard it, it was Academician Wu's voice.

When they entered the office, Zhou Yi said to Huang Shunjian:
"Give tea to Academician Wu and Academician Zhang."

"Ok."

Huang Shunjian hurriedly served tea to the two academicians.

There are indeed many academicians of Yugao Academy, more than [-], and a dozen are still being selected.

But it is still difficult for ordinary undergraduate and master students to pour tea to academicians.

"Where are you in the mood to drink tea, Professor Zhou, our progress is a bit slow. How are you doing now?"

Academician Zhang Tiande's character is still so straightforward, he said directly.

"Haha, sit down and take a rest to see your sweaty heads. Blow on the air conditioner and talk slowly."

Zhou Yi asked another student to pass them toilet paper and wipe the sweat off his forehead.

After resting for a while, Zhou Yi asked:

"How is your progress? Where are you stuck?"

Academician Wu said:
"Currently our research focuses on reaction-sintered silicon nitride and hot-pressed silicon nitride.

It's just that I don't know where the difference is, the finished product from the experiment is not good. "

Zhou Yi said with a hint of doubt:
"Silicon nitride?"

Academician Zhang explained:

"Silicon nitride-based ceramics are one of the materials with the best comprehensive performance in structural ceramics.

It has a low dielectric constant and a decomposition temperature of 1900°C, and can be used in radomes with flight speeds of 6Mach to 7Mach. "

When Zhou Yi heard this, he realized what he felt was wrong before.

What I thought before was quartz fiber fabric reinforced silica-based composite materials. Wouldn’t it be possible to replace silica with silicon nitride now?

After Zhou Yi expressed his thoughts,

Academician Wu and Academician Zhang pondered for a while before Academician Wu said:

"I thought about what Professor Zhou said, and it is very feasible.

The density controllability of reaction sintered silicon nitride can be used to manufacture radomes with electrical performance equivalent to sandwich structures,
In order to achieve the purpose of widening the frequency band, combining silicon nitride ceramics and quartz ceramics can also realize broadband radome.

Phosphate-based composites have good heat resistance,

At present, our practical applications are mainly silicon fiber reinforced chromium phosphate, aluminum phosphate and chromium aluminum phosphate composite materials. "

Unexpectedly, the problem that had puzzled Zhou Yi for several days was solved in one discussion.

According to this line of thinking, Zhou Yi has a strong premonition that the technology of high temperature resistance will be solved.

At this time, Zhou Yi thought of the mathematical models and composite materials involved in the asphalt road, and said:
"Would it be better to combine nano-SiO_2 with nano-scale silicon nitride? The doping ratio between the two may be a topic worthy of our discussion."

Academician Zhang's eyes lit up and he said:

"Yes, Professor Zhou used this kind of thinking to find an optimal solution."

Zhou Yi said:

"Then try it like this. The mathematical model here is not complicated. You can use the previous one. I won't do it."

The sixth-generation fighter is an upgrade in all aspects, among which artificial intelligence and 6G technology are to be applied in the sixth-generation fighter.

In the early years, foreign countries proposed the concept of the sixth-generation fighter because they thought that artificial intelligence technology would mature in the 30s.

What they didn't expect was that the first generation of artificial intelligence had indeed arrived,
However, it was initiated by the Zhouyi of the Great Xia Kingdom.

The first completed sixth-generation fighter jet will most likely be the Great Xia Kingdom.

After having thoughts and ideas,
Academician Wu and Academician Zhang took their staff to make a finished product in three days.

When he saw how passionate they were in their 60s, Zhou Yi's original idea of ​​wanting to rest for two days also dissipated.

A country and a nation must have such a group of people who make selfless dedication,

Now that he has reached this position, Zhou Yi also decided to make a contribution.

At least I won't have such big worries when I want to go abroad in the future.

When Great Xia's technological and military strength reaches a certain level,

If Zhou Yi wants to go abroad, he can go abroad, and he can go wherever he wants.

In the laboratory, Zhou Yi took the finished product, looked at it again and again, and said:

"I feel that this appearance is enough to be used on the sixth-generation aircraft, and some fifth-generation aircraft can even be recalled for upgrade experiments."

Academician Zhang said:
"Professor Zhou still has an idea. We used your previous mathematical model to control variables and found an optimal ratio.

I have to say that we did not go in vain in some of the previous roads, and we have a second spring at this moment.

Nanoscale silicon dioxide and nanoscale silicon nitride are indeed good materials. "

Zhou Yi said:

"It's also good luck, I also wanted to let you have a try at the time.

I didn't expect your speed, it's only been a few days. "

Academician Wu said:
"The theory is mature, and the direction and materials of the experiment are known;

It's not surprising that even the ratio has been fixed by us in a specific range so quickly.

The food has been fed to our mouths, if we don’t hurry up and eat it, we will be sorry for Professor Zhou and the people and the country. "

Zhou Yi: . .

Do you have to go up to this height?

Perhaps this is the spiritual charm of the older generation,
They have the purest revolutionary beliefs and patriotic feelings.

"You have worked hard, why don't you rest for a few days?"

Zhou Yi looked at them in their 60s with panda eyes, and felt indescribable emotion in his heart.

The backbone of a country and a nation is supported by this group of obscure scientific researchers.

Academician Wu shook his head and said very seriously:
"The radome has not been fully completed, how can we rest.

Researching it one day earlier is also a contribution to national defense, and it is also a guarantee for the lives of pilots.
It is a sharp sword in the hand, and the ugly country and the small border countries will not dare to be so presumptuous. "

This kind of spiritual Zhouyi is awe-inspiring, and there is a big difference between people who have faith and those who have no faith.

Academician Wu continued to say:
"However, this antenna can be experimented with, and we can start working on the content of the other three directions.

Professor Zhou, which direction do you want to go first? "

Zhou Yi heard the words and said:

"Although I'm resting these days, I also went to see their 6G progress. I think it's possible to do full-band omnidirectional stealth radome technology directly.
At that time, when the integrated network of the satellite and the ground is completely completed, our fighter jets may be able to try their power. "

"Okay! We all listen to Professor Zhou Yi."

The two patted their thighs and said one after another.

Zhou Yi said:

"it is good."

After a while, everyone went from the laboratory to the big lecture hall.

The disciples and grandchildren of the two academicians and other professors and experts filled the lecture hall.

A new round of project discussions began.

It was Zhou Yi who spoke first.
Zhou Yi took the microphone and said:
"After more than half a month of unremitting efforts, we have successfully solved the high temperature resistant material, and now there are three directions left for the radome."

Everyone applauded fiercely, which represented their hard work for so many days was recognized.

In the future, they will also have a part in the reward for meritorious deeds.

Among so many links in the manufacture of radome, high temperature resistance is the most critical step.

Because as long as the antenna can withstand high temperature, everything can be realized, sooner or later.

If the radome cannot withstand high temperatures under ultra-high speed conditions, even if there are any good ideas and technologies,

All will be in vain.

After the applause stopped, Zhou Yi continued:
"The next thing we will do is the full-band omnidirectional stealth radome technology. Once this technology is completed, it can be applied to the fifth-generation fighter jets immediately.
A big surprise to every country in the world. "

Speaking of this, everyone present is looking forward to it. This is a sign of the revival of a great country.

This is only an advantage of the sixth-generation fighter. If a complete sixth-generation fighter is manufactured,
The impact will be unparalleled.

Combined with the first generation of artificial intelligence, and integrated with the sea, land, air and sky, wherever the aircraft carrier goes, the air supremacy will be dominated by the Great Xia Kingdom.

"Next, I will mainly talk about the details of the full-band omnidirectional stealth radome technology."

"The sixth-generation aircraft is a stealth fighter, which must have full-band omnidirectional stealth performance.

However, this performance can be directly used on fifth-generation fighters, so we must go all out and make it as quickly as possible. "

"Frequency Selective Surface (FSS) technology is an effective measure to achieve stealth outside the band of the radome.

FSS is a periodic array, which can be realized by arranging periodic metal patches on the surface of the medium or covering the metal surface with periodic gaps. "

Zhou Yi talked a lot in one breath, and after saying that he was tired, he gave Academician Wu a look,
Academician Wu said:
"The key technologies for the design and manufacture of FSS radome include four points. The first point is the simulation calculation method for the electrical performance of quasi-periodic arrays with finite large surfaces."

This was discovered by Zhou Yi, because General Zhao gave Zhou Yi a lot of information. When Zhou Yi was perfecting the mathematical model,
found this key point,

This algorithm is very complicated, and the workload was very heavy at the beginning, so it has not been improved.

Now that Academician Wu brought it up, Zhou Yi took up the conversation and said:

"In the electrical performance simulation model of the FSS radome,
In most cases, it is assumed that the FSS array is infinite, the plane is periodic, and the incident angle is small.

This is different from the actual situation of the radome, which will cause a large deviation in the simulation results.

In our practical application, the linear size of the FSS radome is only a few tens of wavelengths,

Moreover, the curvature of different positions on the outer surface varies greatly, and places with small curvatures are approximated as planes, while areas with large curvatures such as edges and sharp corners are not suitable for approximating planes.

. "

The final algorithm will be in charge of Zhou Yi and Chen Danqi's team from the School of Artificial Intelligence.

Academician Wu said at this moment:
"The next two are relatively easy. Our team and Academician Li worked together to design the broadband streamlined FSS radome wall structure and the hyperbolic FSS radome manufacturing process.

Since we have the technology to make 6G antennas before, it is not too difficult for us to do it. In the case of burning money, we can make finished products in a short time. "

Under the guidance of Academician Wu, Zhou Yi said:
"The last direction is active frequency selective surface (AFSS) technology."

"Everyone knows what AFSS is.

We mainly add impedance components such as chip resistors, inductors, capacitors, PIN diodes or varactor diodes to the FSS structure,

In order to realize the FSS with dynamic adjustment of electromagnetic characteristics.

This direction will be presided over by Professor Liu Bing, director of the Institute of Electronic Science and Engineering. "

Liu Bing's whole body was trembling at the moment,
In the presence, there were several academicians, and a few military leaders with stars on their shoulders.

Done well, academicians are not only fine, but they can also get some military positions.

At that time, even if you have completely stepped into the upper level of the pyramid.

Liu Bing said tremblingly at this moment:
"I will make a satisfactory result for the country as soon as possible."

It's normal to be excited. It's abnormal not to be excited at this turning point in life.

Fortunately, Liu Bing lived for dozens of years, and quickly adjusted his state, and began to introduce this direction in detail.

"The AFSS radome can be designed as a narrow-band structure. When the working frequency of the supporting antenna changes, the resonant frequency of the radome changes accordingly, while the bandwidth remains basically unchanged..,

Since the bandwidth of the AFSS radome is narrower than that of the ordinary FSS radome, the frequency range of its out-of-band stealth is wider than that of the ordinary FSS radome. "

Liu Bing was obviously well prepared.

Some of the original drawings were surprisingly similar to this design,
And where Liu Bing doesn't know, he can still ask Zhou Yi, which belongs to the hands-on teaching, feeding the rice to his mouth,

If he still can't keep up with the progress of the big army, without Zhou Yi firing him, Liu Bing may have to go to Zhou Yi himself to resign voluntarily.

The wealth and honor of splashing sky is in front of him, Liu Bing said that he must hold on tightly.

After the specific tasks were assigned, Zhou Yi organized everyone to have a celebration banquet in the high-rise cafeteria.

It's not like opening champagne at halftime. After working so hard for so long, relaxing for a night can be considered a combination of work and rest.
In order to devote full energy to the follow-up work.

Zhou Yi dragged his drunken body, Zhang Bin has been silently guarding behind Zhou Yi,

I was afraid that something might go wrong if Zhou Yi drank too much.

Although it was a celebration banquet, everyone was still very restrained, drank a few glasses of wine and then began to eat a big meal.

It's just that some people toasted Zhou Yi frequently, and Zhou Yi couldn't refuse, so he drank to encourage them.

Back home, Xia Xue gave Zhou Yi a white look, and then went to mix honey water for Zhou Yi.

Zhou Yi hugged Xia Xue and said with a smile:

"Xue'er, let me tell you, in two or three years at most, we can travel abroad and meet old friends abroad."

Xia Xue came back with honey water, and said softly:
"I don't really care about going abroad. If you miss your friends and teachers, try to make some big achievements next year.

Let them come to the High Court. "

After finishing speaking, Xia Xue took a spoon and fed Zhou Yi honey water.

Zhou Yi said sincerely while drinking:

"Haha, try my best, mainly because I also want to travel all over the world with Xueer."

Old couple, Zhou Yi is still so greasy.

If the sixth-generation fighter jets come out, combined with space-based aircraft carriers and space-based weapons, Zhouyi will be on the earth in the future,
I really want to go wherever I want.