Siheyuan: The Era of Core Generation

Chapter 130 Laser Range Finder
The artillery locator, to put it bluntly, its main structure is a laser rangefinder.In future generations, you can buy a good quality one for a few hundred yuan.

It's just that the range-finding equipment for civilian use in later generations has a relatively limited detection range and will be greatly affected by the environment.

If you are willing to spend thousands of dollars to buy a telescope with a rangefinder, then this thing basically meets the measurement requirements required by artillery in this era.

It's just that that thing only allows you to see the distance between you and the other party, and it can't provide relative coordinates.What artillery observers do daily is to measure the distance and angle between themselves and the target, measure the distance and angle between themselves and the marker, and then use geometry to calculate the distance and angle between the target and the artillery position based on the distance and angle between the reference object and the artillery position. The coordinate position of the position.

Then, just like in the movie you have seen, report to the artillery through the radio: "Go to the right 05, add five to the height, three consecutive four shots, one shot, let it go!"

Then wait... There was a "boom", and it missed.This is normal, and this process is called test firing, because people see and count, plus various influences in reality, there will always be a slight deviation.

Seeing the point of impact, this time the most experienced artillery observers.

You must be fast enough to calculate the data that the artillery should adjust, the faster the better.The enemy is not stupid, knowing that you are testing, how could they stay where they are and wait for you to blow them up!
At this time, if your calculation is too slow, it is estimated that you have not finished the calculation, and others will finish it, and this mission will be declared a failure.Especially when dealing with armored targets, no matter how poor the mobility of the tank is, it will be no problem to run a few hundred meters in a few minutes.

As a result, it is difficult for shells to keep up with the pace of tanks.It's not that the shells fly slowly, but that the artillery observers calculate slowly.

Therefore, the tank can be regarded as the king of land warfare, which greatly shakes the status of the god of cannon war.

Our country is a country with firepower phobia. The army has been bombed by other people's cannons for decades. Now that we have the conditions, artilleryism prevails.This has resulted in a huge amount of artillery equipment in our country, but it is even more difficult for today's cannons to deal with armored targets.

That's why the leaders at that time were so enthusiastic about Zhao Ye's proposal.If computer technology can be used to calculate the position instead of humans, this will greatly shorten the preparation time for artillery fire and improve the combat effectiveness of artillery in a disguised form.

Although it is a helpless move to use cannons to fight tanks, if it is really possible to shorten the time of artillery aiming infinitely, then there are still many advantages to using cannons to deal with tanks.

No matter how thick the armor of a tank is, it cannot withstand large-caliber shells.Even if it can't hit it, the shock wave can kill the tank crew within the killing range.

Zhao Ye assigned a task to this department, to come up with a laser ranging device with a special band as soon as possible.Zhao Ye had already written the plan, and threw it on the table as soon as he came. The rest of the time was for them to do experiments.

This rangefinder requires a distance of not less than ten kilometers, a small size, and especially low power consumption. The accuracy requirement is that at ten kilometers, the error should not be greater than plus or minus five meters.

Zhao Ye has learned specifically that the 100mm caliber shells at this time generally have an absolute damage radius of about ten meters. If there is an error of plus or minus five meters, at least it is within this absolute radius.

The people in the Optoelectronics Research Office felt their livers tremble a little when they saw this data request. The torture from last time is still vivid in their memory, and now it is about to start again.

"Mr. Zhao, this time this is for the development of that unit. Why are there such technical requirements?" Director Zhao, the chief researcher of the Optoelectronics Research Office, looked at the technical parameter requirements in his hand, and did not think for a while, what unit would use it. Seeing such a thing, so I asked subconsciously.

"Hehe, Director Zhao, you are really smart and confused for a while. If you think about it carefully, who would use this thing?" Zhao Ye said jokingly.

"Could it be used for civil construction? But they don't use the measuring range of ten kilometers! That's what the surveyors use." Director Zhao said with certainty.

"Well, your guess is right. They really need such equipment. Unfortunately, you guessed wrong."

"Oh! Ah? Guessed wrong? Who else can use it?"

"Artillery observers! That's it. I plan to develop a laser rangefinder for artillery observers. This rangefinder must have these functions. First, the measurement range must reach ten kilometers. You can see this. Second, A computing chip should be installed on the rangefinder, so that it can obtain the relative coordinates of the other party at the first time. Third, there must be an interactive function with the rear, and the measured data must be transmitted back to the computer in the artillery position through radio equipment."

"Ah! Is it used by the military?" Director Zhao was surprised. In this day and age, being able to develop military products is a very honorable thing.

"Yeah, how's it going, is there any difficulty?" Zhao Ye asked with a smile.

"Please organize the direction, we will complete the task on time!" Director Zhao promised with his chest raised.But after finishing speaking, he bent down again and said to Zhao Ye, "However, if we want to complete the task on time, we still need your help. I don't have a clue yet."

"These are some ideas of mine. Let's see if there is a possibility of realizing them." Zhao Ye didn't talk nonsense, and directly threw the plan over.Zhao Ye was worried that these people would develop such a habit that they would no longer be willing to conduct independent research and development in the future.

However, this is not a question that Zhao Ye needs to consider now. If he wants to develop a usable range finder in a short time, he can only develop "leapfrogging" in this way.

A rangefinder is not something that can be done with a single rangefinder laser.He also needs optics.For this task, Zhao Ye contacted the Guanghua factory through the channel of the joint factory. They specialize in optical components.When the task was sent to their factory, Zhao Ye didn't pay much attention to it.The left and right are like a monocular, and the degree of difficulty is not too big.

As for the design of special chips, this task was also taken over by Microelectronics Institute. Professor Ci and his team are now solving their problems. Only Microelectronics Institute is a professional in this area.Furthermore, the technical difficulty of this chip is not high, and the overall technical requirements are similar to those of Dawn No. [-].The only difference is that this time the function of teleportation has been added.

However, this function is not a big burden for the design of the chip. The real burden is the design of the digital signal transmission equipment.

This thing is not easy to develop, and Zhao Ye's next focus will also be on this.

In addition, there is still a lot of work that needs to be handed over to the No. [-] laboratory and the joint factory, such as overall design, structural design, tooling design, optical processing, electronic processing, laser testing, circuit installation, power supply and a series of work.Since no military industrial unit in China has produced similar military products, there is no reference standard, and it is all up to Zhao Ye and others to design and trial-manufacture independently.

However, the joint factory is considered experienced now. After all, it is a unit that has produced lithography machines. It has a certain foundation for these things.

The entire design and verification work is being carried out in an orderly manner. After Zhao Ye finishes his work, the rest is to keep an eye on the development progress of each team.

To make this rangefinder play its biggest role, the positioning car is also an important part of it.Otherwise, the combat effectiveness of the rangefinder would not even be half effective.

The principle of this positioning car is actually similar to that of GPS satellites, except that it needs to use higher power signals to ensure positioning tasks in various complex geographical environments.

But in this way, the survivability of this kind of vehicle on the battlefield will become very poor.As long as the enemy has radio positioning equipment, this car is as dazzling as a large searchlight in the dark.

However, Zhao Ye has no good solution at the moment. All he can think of is to increase the number of such vehicles, such as increasing the number of such vehicles in necessary directions and dangerous distances.The method of rotating the boot is used to make up for this deficiency.

The core part of the positioning car is the timing system.This is not a simple thing.

Although the principle is not complicated, the difficulty lies in the accuracy.For example, the quartz crystal oscillators used by Zhao Ye and others in the Suguang series of computers can work well.

However, the crystal oscillator of this material is greatly affected by the environment, the temperature of the air, the pressure of the environment, etc., may affect its clock frequency.It is not a big problem to use this thing on a computer, but if it is used on a different positioning car, the impact will be obvious.

If the crystal oscillation frequencies of the three vehicles providing positioning are different, the time they send out will be inconsistent. Such a small error will cause disastrous results.

What is the speed of electromagnetic waves?Not to mention too much, the clock frequency is a difference of one millisecond, and the measurement error may be a few kilometers away.This loses the meaning of positioning.

Zhao Ye also had to choose to take a bath again at this time, wanting to know what kind of material was used for the GPS of the bald eagle back then.

As time passed day by day, Zhao Ye began to face more and more problems.

Now they are working on too many projects at the same time. The missile-borne computer needs to be developed, the laser rangefinder for the artillery also needs to be developed, the new generation of [-]-micron process technology requires the development of lithography machines and other equipment, and the new generation of processors needs to be developed. It is to design.

This is not counting the formation of the information and communication network. The biggest problem Zhao Ye faced here turned out to be the program-controlled switchboard!
You must know that in this day and age, the country is still using simulated manual exchange equipment, which is to call another city or place.

For example, if you make a call from Beijing to Shanghai, you need to connect to the telephone exchange in Beijing first, and then tell the caller to call Shanghai.After connecting to Shanghai, you have to tell the other party which district you want, then wait, and then go to Changkuang Street, and then say the number.

In this mode, it is wishful thinking to do computer networking.

(End of this chapter)