Chapter 304 If one is not enough, use two
Gao Zhendong smiled: "Then you will come up with this matter after you study it."
The principle of laser rangefinder From design to design, Gao Zhendong understands everything, thanks to his own unremitting efforts.
This effort has nothing to do with learning, but that he has achieved the required pre-technical conditions after working hard to develop a laser.
He was able to extract a telescope from the system that could not be extracted originally - a telescope with a laser range finder function. The source of the product - the toy section.
As for toys, we don’t use too complicated methods. We use the simplest and relatively poor accuracy pulse method for ranging.
What a coincidence, this method is just right for tank ranging. After all, the 1-meter accuracy is completely sufficient for tank fire control. The advantage of this method is that it is suitable for long distances. Measurement, while the technology is relatively simple and the implementation difficulty is low.
There is no backward technology, only inappropriate technology.
However, Gao Zhendong is not going to show the results directly. Instead, he wants to guide Mr. He and others through the entire process. No matter how hard Gao Zhendong works, the scope of radiation will be limited.
Only a group of small players like Gao Zhendong can change the overall situation to some extent.
Anyway, there is still enough time now, it doesn't matter if it is slower, but don't underestimate 5DL. Although this guy was ridiculed enough in Gao Zhendong's previous life, it was because he served for too long.
But at this time in 1960, let alone being absolutely ahead, there was a certain degree of suppression against the disabled tanks of the Oceanic Convention countries.
Although the results are not given directly, he always has to do the preparations for the people at the Prairie Tractor Factory, such as learning the principles of lasers and suitable lasers. This laser may not be able to meet the requirements now. .
The matter of laser ranging has come to an end. Gao Zhendong continued to talk to Mr. He and others about fire control.
“What else needs to be solved besides distance? Think about it.”
Lao He said nothing: "Night vision, although there are infrared headlights now, I always feel that using this thing is like lighting a lantern in the toilet - seeking death, it is too conspicuous."
It is indeed this, but Gao Zhendong is not ready to solve it yet, it will take some time.
Gao Zhendong nodded: "Well, let's put this question aside for a while."
What does Vice President Gao mean? Mr. He was a little dumbfounded, but he knew very well that Gao Zhendong didn't mean to ignore the matter, but to "let it go." This showed that Vice President Gao had a plan in mind, but it was not a priority.
Well, it seems that I just came to Vice President Gao’s place to visit if I had nothing to do. At the worst, I called him more often to say hello. He must have hidden some good stuff!
"If we put this aside, the specific problems will disappear for the time being. What is left are things like system functions and performance, which need to be demonstrated and discussed. We haven't reached that stage yet." He couldn't think of anything else for the time being. What's the problem.
Gao Zhendong smiled and said: "No? What about the wind?"
"Wind?" Mr. He was stunned and fell into a brief thought.
Not long after, he slapped his thigh: "Haha, Vice President Gao, Gao! Hengfeng! Why didn't I think of it!"
The effect of wind on projectiles is very obvious, especially At a distance of more than a thousand meters, not to mention things as big as artillery shells, but also things as small as sniper rifle bullets will be affected.
The reason why future sniper teams will consist of two people is that in addition to the main sniper, the other observer is responsible for target observation, temperature, wind speed and direction, etc.
The impact of wind on tank shells is not too big in the front and rear directions. After all, tank guns are typical of powerful miracles, especially tail-stabilized discarding sabots, which have an effective range of only a few kilometers. , it’s not that this thing can only hit a few kilometers.
In fact, within this range, the impact of wind energy in the front and rear directions is very small compared to the energy of the shell itself, especially under the premise that the windward area of the tail-stabilized shelling armor-piercing projectile is very small.
The biggest impact is the wind from the side of the shell, so the cross wind sensor is basically a standard feature of the third generation tank.
Gao Zhendong said: "The monitoring of this thing is quite simple. I will just mention it and you can solve it yourself."
Lao He is not a weakling, and he has already thought it through in a short while: "You don't need to take action on this, you just bring it up to me. I just thought, the turbine will be fine. I can't handle this, so I'll get out of here as soon as possible." ”
Turbine, it sounds very professional when talking about it, but another way of saying it is boring: windmill!
Gao Zhendong smiled, his words were rough but not rough, they made sense.
"Well, I won't say more about this. What else is there? Think about it again?"
Lao He thought carefully for a while: "Temperature? Air pressure?"
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So I said that Lao He is also a great person. Temperature will affect a series of states of the entire tank and even environmental conditions, and the temperature can be monitored at more than one location.
Air pressure can reveal air density, oxygen content and other related parameters, which can affect the trajectory of artillery shells, etc., and is also one of the important auxiliary parameters.
Even these are not only needed for fire control, but also needed for the operation of the entire tank.
The reason why Mr. He didn't think about this at first was mainly because he had never fought such a rich battle. Before there was a fire control computer, it was useless to collect these things. The gunner couldn't calculate them. It's better not to count it, otherwise the rate of fire will be extremely ugly.
Now that computers can automatically calculate sensor data, there are a lot of things that can be done. Slowly, he began to think of the things he once hoped for but couldn't get.
The enlightened Mr. He didn’t need Gao Zhendong to say anything this time. He said it himself: "For temperature, you can use the K-type thermocouple you made. For air pressure, a diaphragm barometer will do."< br>
The diaphragm barometer is really suitable to be placed here, because the sensitivity of tanks to air pressure, or altitude, is far lower than that of anti-ship missiles flying at low altitudes. For the tank system, It doesn't matter if the altitude is different by a hundred or two hundred meters, but the anti-ship missile may escape into the sea.
Speaking of this, his teeth became sore: "Hiss~~~~~There are so many parameters, how can you calculate them when aiming?"
Gao Zhendong nodded: "This is me The reason why I want to leave you two DJS-60Ds is that one is used for the weapon digital stabilization system and the other is used for the fire control system. It would be great if the two sets can be combined together in the end, but if the computing power is not enough, Then go to two stations!”
Various parameters for weapon stability must be collected at any time, changed at any time, calculated at any time, and output at any time. The vertical, horizontal, motor, seat, and lead screw are all indispensable.
For each additional parameter, the complexity is not just as simple as doubling the amount of calculations.
And this process cannot be stopped, the control algorithm is always running.
So coupled with the fire control system, the computing power of DJS-60D may not be enough here.
The fire control system is not easy either. It has its own traveling speed, direction, gun pointing, target distance, target movement status, cross wind, temperature, and air pressure. You cannot always control the dual stability when performing fire control. Just hang it up, that's a joke.
Even if you don't realize the action-to-action action, it won't be much easier.
After listening to Gao Zhendong's words, Lao He was delighted: "You've thought it through, I really didn't expect that I've never fought such a rich battle. Vice President Gao, this second-generation tank really needs to be pressed." After doing what you said, I dare not say anything else. As for firepower, I dare to pat my chest. "
Gao Zhendong thought to himself, let alone you dare to pat, I dare too.
With this firepower, this fire control, that defense, plus the thermal imaging camera I am still tinkering with, I will be able to fight against new tanks within twenty years, let alone ten years. As for Needless to say about today's tanks.
These are all sub-items. As for the structure of the fire control system, whether to use light point injection, upper anti-stabilization or lower anti-stabilization, Gao Zhendong has not yet decided. This will have to wait until the second generation tank is officially started. When it is determined, it will be determined based on the situation of other majors, such as optics.
Even the light point injection here is a leap forward compared to the existing fire control system. There is no such thing as fire control now. It is a more fair evaluation to say that it is a sight.
Thinking of this, Gao Zhendong said: "As you said, our hard indicators are no problem, but I hope that at least at this stage, we can solve the problem of 'dynamic versus static' in the fire control system from the system level. Instead of relying on the skills of the crew to achieve the 'dynamic vs. static' ability."
Before the word "pair", it refers to the movement state of your own tank, and after that, it refers to hitting the target.
For Gao Zhendong’s resources at this stage, it is more difficult to achieve “dynamic” than “static”.
Movement versus stillness, stillness versus stillness, the target is motionless, which allows the fire control system to skip target recognition and locking, and instead calculate the spatial relationship with the target through its own motion state, thereby Skip target recognition and lock on target directly.
When it comes to movement, it involves target recognition and automatic tracking. The technology Gao Zhendong has now can only solve the problem by inputting or obtaining the target speed, so as to lock the moving target.
This is not actually an automatic locking of the target entity, but a calculation of the possible location of the target and direct targeting of the possible movement trajectory of the target.
If the target movement speed changes significantly, it will be unlocked. In other words, it has never been locked, and it is not unlocked, but the prediction failed.
Lao He thought for a while: "I think there is a chance. With the input of these parameters, combined with the input of the tank control system and the weapon stabilization system, I still have a certain degree of confidence in the hit rate against static enemies. ”
The discussion with Lao He and the others continued until after get off work. Gao Zhendong arranged for them to have a meal in the small canteen to refresh themselves.
They stayed in the guest house of the No. 3 Steel Rolling Plant first, as if they were not allowed to stay alone and would never withdraw their troops.
Gao Zhendong gave them two things, one is the DJS-60D material, and the other is the learning material on the principles and characteristics of laser, let them take a look first, and then ask themselves if they don’t understand, especially It's laser-related content, which is completely new to them.
(End of this chapter)