Chapter 296 You change the blood and I change the brain, Junior Brother took out a good magic weapon
"Great! Junior Brother, can you change the circuit board to something like DJS-59, with several layers of small boards stacked on top of each other? Plant? "
General Manager Zhang put forward his needs. In his opinion, this should be relatively easy. It may take a little time, but it is not difficult.
A large board is not as good as several layers of laminated small boards in terms of high G and vibration reinforcement, structural strength, and component layout. Although it is 0.5 meters square, it is a piece of cake for target bombs. disc, but it would be better if it could be made into multiple layers.
But without thinking, Gao Zhendong shook his head.
"What? Is it an electromagnetic compatibility problem? Or is it a high-frequency wiring problem?"
Gao Zhendong looked strange: "No, I mean no, I originally designed this circuit board so that it can Cut into four pieces along the stamp holes, and connect the boards with cables. Even in order to take care of the small-diameter cylindrical chassis, I deliberately left no wiring at the four corners of each small board, which can be cut out to further adapt to the small diameter. ”
After that, Gao Zhendong pointed out the stamp holes, blank areas and inter-board wiring on the circuit board.
"What is a small-diameter cylindrical chassis? You were rushing to install it on the missile from the beginning, right?" Chief Zhang said, who was made to laugh by Gao Zhendong's new term.
Gao Zhendong chuckled: "Brother, I came from the battlefield. It makes sense to pay more attention to weapons and equipment in the design of the results."
Commander Zhang sighed: "You have been on the battlefield? No wonder, you are determined."
Gao Zhendong then introduced them to the situation of the single-board computer: "I temporarily named this machine DJS-60D , where D means single-board computer, everything is integrated on one board."
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"To sum up, although there is less storage space and registers, it has less storage space and registers. The word length is the same, and the clock speed is higher than that of DJS-59. The overall computing power is similar to that of DJS-59. Since the instruction set is compatible, programmers of DJS-59 basically have no learning cost when using it. There is no cost for programmers, and the compiler has been adjusted.”
Mr. Zhang smiled and said: “This is great. I will replace the analog computer when I get back to make room for it. Position, this time, it can save a lot of weight.”
A considerable number of analog computers cannot even be called computers to a certain extent. They can be regarded as comparative executors of fixed programs. Needless to say, the analog computers that came from Lao Maozi are so heavy and powerful.
Gao Zhendong’s single-board computer, even though it needs to be reinforced and an analog-to-digital conversion circuit added to collect data, is still small and exquisite compared to an analog machine.
"Junior brother, how is the output of your machine?"
Gao Zhendong said: "Now we rely on imported parts, but we are solving the problem of localization. Not long ago, I It has been pulled out, and the next step is to jointly solve the integrated circuit process problem with relevant manufacturers. Although it is a little lower now, you won’t be able to use it much for the time being.”
As long as the details of the silicon monocrystal are not disclosed. Technology does not need to be kept secret in front of units and individuals with sufficient confidentiality levels, so Gao Zhendong said it very casually.
The Flying Monkey is still under development. In any case, the DJS-60D, which is guaranteed to be the experimental bomb, can still be cobbled together. Speaking of which, we have to boost Xingdian. With this white glove that is gradually emerging in the consumer electronics industry, logic Civilian integrated circuits such as gate circuits can still guarantee some of them.
Relevant units and leaders are aware of this matter. My father-in-law’s representative certificate was not just obtained through the sale of DJS-59. No, Zhenxing Electric is still renewing it. Coming.
Gao Zhendong said this in an understatement, but the two people from the desert were surprised again: "Did you also make the silicon single crystal?"
Thanks to the convenience of information, silicon They know the news about the single crystal.
Gao Zhendong nodded: "Well, I did it with another comrade in the 17th Machine Department system."
At this moment, the two of them finally understood why their work was so important that they needed to apply for permission first if they wanted to communicate with Gao Zhendong.
This man is a pure treasure chest!
What they don’t know is that some acquaintances from old units before Gao Zhendong rose to prominence do not need to apply, such as the Guidance Research Institute, Duan Gong, Grassland Tractor Factory, etc. Latecomers are inevitably subject to this. Once.
Commander Zhang was very satisfied with the results of this trip: "Junior brother, if nothing else, I will apply when I get back. This time, I will perform a major surgery on the missile."
Mr. Cai also smiled and said: "Not only you, but I also need an operation here. I need to change the blood of the missile."
"If you exchange blood there, you can shoot farther. If I exchange brains here, I can use a better control algorithm to ensure accuracy while increasing the range, haha."
Inertial navigation has a characteristic, That is, theoretically, its errors are cumulative. Without taking other measures, the farther the range, the greater the error.
Gao Zhendong remembered some things he saw in his previous life. Although he didn't know how to do it, bringing it up seemed to be of some help to his senior brother, at least under the premise that the range requirements were getting farther and farther. "Brother, in fact, with digital computers, we can not only use inertial navigation, but also other methods."
Senior Brother Zhang attaches great importance to Gao Zhendong's words. Not only is he skilled in this major, but he also has a lot of fantastic ideas.
"Do you have any good ideas? Tell me?"
Gao Zhendong said: "This method is of little significance for short-range missiles, but it is useful for long-range missiles that need to launch their trajectories out of the atmosphere and fly for a long time. "
Chief Commander Zhang smiled: "Is there such a good thing? What I want is a long-distance one. Say it quickly."
Gao Zhendong nodded: "Starlight guidance, or. It’s called astronomical guidance.”
This is a new concept. Senior Brother Zhang has never heard of it: “I don’t quite understand it. Please explain it carefully.”
Gao Zhendong drew pictures on the table casually: "This is what I think. For a fixed date, the positions of the stars in the sky are fixed. Therefore, with a digital computer, we can let the missile take star maps during flight. Calculate the error through the star map and make corrections. However, there are very big restrictions on using a camera to capture the star map in the atmosphere, so I said it can only be used on long-range missiles."
This method, whether it is Citi. Both guys and old men use it. It is a very reliable auxiliary guidance method for long-range and intercontinental missiles.
When Mr. Zhang heard this, his eyes lit up. This method is reliable. Let the stars show us the way. It is so romantic.
And it is not very technically difficult and will not have a negative impact on the equipment.
He stared at the schematic diagram drawn by Gao Zhendong for a long time, and slapped the table: "This is good! When we develop long-range missiles, we will use them no matter what. I will start pre-research when I get back."< br>
Gao Zhendong smiled and said: "In my opinion, the biggest advantage of this method is not the guidance, but the rapid response."
"Quick response?" Mr. Cai and Mr. Zhang were both excited. This is a must Even with our practice of "not firing the first shot", this is more important to us than to other countries.
"Junior brother, what do you mean?"
"I think to fix the missile, you need to fix the Zhuyuan, right? Under the current technical conditions, this is not a simple process. Even when our technology develops, we will always launch missiles from mobile vehicles. "
Train mobility, road mobility, air launch, submarine launch, these are all mobile vehicles, the Cold War. During this period, there were all kinds of ingenious shooting methods. In addition to shooting in the well, there was no one who did not shoot while running.
Moreover, it is not only the target data that is set, but also the data of the missile launch point itself, so that the guidance system knows how far it wants to fly and in which direction.
But in the case of a late strike, it is very troublesome to install these elements, and some vehicles even do not know where they are. This is why when the technology is not developed enough, even mobile vehicles , the reason it still needs a launch site is that it has to find where it is.
Even in the future when the global satellite positioning system is developed, these problems will still have to be solved, because no one can guarantee that their satellite positioning system will still be able to function normally at that time.
Of course, it doesn't matter to John Bull. Anyway, its missiles are all conjugated father and son. Once Citigroup solves the problem, it solves the problem.
“With starlight guidance, to a certain extent, the missile can be shot out first, fly out of the atmosphere, and then determine the position and direction based on the starlight guidance, and then combine it with inertial guidance to attack the enemy. This cannot completely replace Precise parameter setting, but at least there is a more reliable and accurate method that can simplify pre-launch preparations.”
Mr. Zhang grabbed Gao Zhendong's shoulders and shook him: "Junior brother, you have solved a big problem! To be honest, I didn't expect to go in this direction at all. Your simple words saved me several years of effort!"< br>
Gao Zhendong smiled sheepishly: "I'm just imagining it. I've never done guidance, so I can't help much. I can only come up with random ideas."
Senior Brother Zhang He shook his head and said: "Then you are wrong. Your idea is the most important. With your principles and technical routes, the rest of the work is mine! If I can't do this, why should I be the chief engineer? . ”
For him, even if this technology takes several years to be implemented, there is no delay at all, because it is still early to make long-range missiles, and it is just in time.
It can be said that Gao Zhendong’s words solved a major problem of long-range and intercontinental missiles several years in advance.
Mr. Cai smiled and said: "Your junior brother is really kind to you. When you come here, I will give you a good magic weapon. It's a pity that my engine can't react quickly, otherwise I will really have the ability to react quickly."
For him, the fixed hair cannot be beaten far and the liquid hair cannot be beaten fast.
Fixed launch has many advantages, but there is one drawback - the specific impulse is small, so it does not have an advantage in range. This is also an early ballistic missile, especially the long-range and intercontinental ones, most of which are liquid bombs. reason.
(End of this chapter)