Chapter 528: Give the time traveler a little shock (Part 2)
be honest.
Due to burns to the vocal cords.
Xu Yun's voice was a little hoarse at this time, and the volume was not too loud. It even sounded a little laborious.
But in Lao Guo's ears, his words were as loud as a thunderous explosion, shaking away all his previous sadness and regret.
"..."
I saw Lao Guo turning his head mechanically, staring at Xu Yun, and asked word by word:
"Xiao Han, what did you just say?"
Under emotional agitation.
He even gave up the title of 'Comrade Han Li'.
After all, Xu Yun’s words...
It's not just a simple question.
Although the words "as long as" and "enough" seem a bit unsophisticated, they indicate another thing.
That is.....
In Xu Yun's view, data of this magnitude does not seem to be a big problem!
Think of this.
Lao Guo couldn't help but swallowed his saliva and quickly added:
"Xiao Han, what you mean is... is there any way you can make up for this quantity difference?"
Xu Yun was not surprised by Lao Guo's gaffe. In fact, a large part of his calmness at this time was just an act, and his heart was not much more relaxed than Lao Guo's.
Fortunately, the scars on his disfigured face now have a natural anti-peeping effect, so he reluctantly nodded calmly:
"That's right."
Upon hearing this, Lao Guo's breathing stagnated again, and his boy's hole suddenly tightened.
If Lin Yu had not left the room at this time and measured Lao Guo's heart rate with an ECG monitor, he would have found that Lao Guo's heartbeat had gone straight to 200.
However, Lao Guo did not notice any abnormalities in his body and continued to stare at Xu Yun.
It was as if he wanted to nail him into the wall with his gaze.
Although he proposed the idea of contacting Xu Yun at the meeting, this did not mean that he had much confidence in Xu Yun.
He only knew that Xu Yun must have the support of a very powerful community, and the cost of doing so was relatively low:
They just told Xu Yun the ‘truth’ in the factory four or five months in advance.
It doesn’t cost any money anyway, just give it a try.
I didn’t expect that this test would actually get a response?
Then Lao Guo took a deep breath, adjusted his breath, forced himself to calm down, and said to Xu Yun:
"I dare to ask Comrade Han Li, is the method you mentioned is to send more manpower? Use manpower to expand data?"
Mentioned before.
Currently, there are hundreds of people and more than 20 pieces of equipment responsible for data collection at the base.
If we simply multiply their number by 100,000 times, it obviously meets the requirements mathematically, but it just cannot be applied in reality.
Lao Guo had reason to suspect that Xu Yun would take advantage of this and say it as a joke...
But what made Lao Guo relax a little was.
Xu Yun quickly shook his head and denied this guess:
"of course not."
"That means it takes a long time?"
"No, if you go all out, it will take three to four days if it's fast, and seven or eight days if it's slow."
"So you need a lot of money?"
"Well...the cost is definitely necessary, but doesn't our factory produce machinery and equipment? The total cost...is probably the total cost of five or six transport trucks."
The price of a CA10 transport truck these days is about 8,000 yuan. The total price of five transport trucks is close to 40,000 yuan, and the cost of construction is about 25,000 to 30,000 yuan.
Of course.
Due to the serious gap in domestic industrial standards, the cost of these transport vehicles cannot be directly compared with the purchasing power of wages.
After all, a permanent bicycle now costs 200 yuan. A worker has to save up for ten months without food or drink, and when buying a bicycle, he has to buy it with a ticket.
If we insist on converting these costs.
Probably equivalent to 150 to 2 million in later generations.
be honest.
This kind of funding is not a small sum for the base.
But in the face of the current problem, it is too small to be ignored - the thermocouple humidity meter sent from the capital alone costs over 10,000 yuan.
Think of this.
Lao Guo's expression suddenly became extremely serious.
He straightened his body, put down the water glass, and said to Xu Yun sincerely:
"Comrade Han Li, to tell you the truth, the base is currently in a very embarrassing situation in terms of meteorology."
"If the problem of weather prediction is not solved, the base's next plan will be extremely passive and the progress will be greatly delayed."
"So Comrade Han Li, I would like to ask you from my personal perspective, can you inform the base of this plan?"
"Of course, you are not a party member, so you don't need to emphasize dedication like we do, so if you have any conditions or needs, you can put forward them, and we will try our best to meet them..."
"No need to ask."
When Xu Yun heard this, he waved his hand and interrupted the second half of Lao Guo's sentence:
"Guo Gong, there is an old saying in China, which says that the kindness of saving one's life should be knotted with grass, so that one can repay the kindness."
"If Guo Gong hadn't rescued me from the fire, I would have been burned into a charcoal chicken, and I would have paid half the price for the second monument with others."
"Besides, the hospital spent so much precious medicine on me and arranged such a good ward for me, but I haven't paid the medical bills yet."
When talking about medical expenses, Xu Yun deliberately winked at Lao Guo.
Lao Guo is a thoroughly honest person, and when he heard this, his face showed a trace of unnaturalness.
However, this look was only fleeting, and he soon returned to his normal expression, and his whole person suddenly felt much more relaxed:
"Comrade Han Li, I'm very pleased that you have such awareness. As for rescuing people, I think any capable person would have given a helping hand at that time."
"Anyway, don't worry, if your solution is really useful, the organization will definitely not treat you badly."
Xu Yun smiled in return and did not answer.
He knew that Lao Guo's words were not to deal with him. Rabbits have always rewarded members who have contributed to their work.
However, rewards these days are basically inseparable from food or clothing, and that's the same for people like Xu Yun from later generations.
Of course.
Although Xu Yun doesn't feel much about these rewards, he must do this favor.
Then he also adjusted his posture on the bed to make himself more comfortable when leaning on the bed, and then he said:
"Comrade Guo, before I explain my plan, I have a question that I would like to confirm."
Lao Guo made a gesture of invitation:
"But it doesn't matter."
Xu Yun nodded and asked:
"Comrade Guo, if I can really provide a method to collect 100,000 times the data, how can you complete the analysis of them?"
"Weather data is highly time-sensitive. It would be difficult for people to calculate with so much data..."
"Oh, you're talking about this."
Lao Guo smiled when he heard this, with a casual expression on his face, and pointed towards the north:
"It's not difficult. Our factory's uranium mining is considered a relatively important national project. There is a 103 tube computer in the capital for remote assistance."
"The data we collected before was only more than 5,000 sets. If it is 100,000 times larger, it would be 500 million sets. It won't take much time for computers to calculate."
"So compared to the specific calculation process, how to collect a large amount of data is a big problem."
Finished.
Lao Guo subconsciously touched his nose.
This passage is actually one of the arguments that the base standing committee came up with, and some of the content is not true.
For example, there is indeed a computer in a special building in Yanjing that is assisting Factory 221 in remote calculations.
But that machine is not the 103 that has been made public, but the mysterious 104.
Up to now.
There are only two 104 machines produced in China.
One was provided to the Second Machinery Department, which was developing the atomic bomb, and the other was provided to the Seventh Machinery Department, which was building rockets.
This situation will not improve until the J501 computer from the East China Computing Institute is released several years later.
But there is one thing Lao Guo did not lie about.
That is, as long as they can collect enough data, they can indeed use computers to assist in calculating the data.
Currently, 60% of the 104 computer hours used for nuclear weapons research and development are used by other projects of the Second Aircraft Department.
That is to say, the 104 machine in the Second Aircraft Department has nearly 15 hours a day, which can be used to calculate nuclear weapons-related data.
The computing power of the 104 machine is 10,000 times per second, and the calculation time for 500 million groups is 50,000 seconds, which is about 13.9 hours when converted.
at the same time.
At present, the research and development of nuclear weapons is still in its early stages, and some data are relatively not that urgent. In some cases, it is even not enough to calculate the time.
Therefore, in the face of the construction of the detonation test site, allowing the 104 machine to free up 13.9 hours to calculate the weather, there is no problem with the conditions.
Of course.
The premise of this matter is...
Xu Yun can really collect 100,000 times more data.
Seeing Lao Guo move all the computers out, Xu Yun felt confident.
He took a deep breath, organized some words, and asked Lao Guo:
"Comrade Guo, you should know that the essence of so-called weather prediction is to use mathematical and physical equations to model the state of the atmosphere, and to obtain the future weather state by solving the equations."
"It's just that complex parameterized physical models are always incomplete. Parameterization of physical processes will inevitably introduce systematic errors into numerical predictions."
Lao Guo nodded.
As we all know.
The development of weather forecasting has gone through two stages in total.
That is, the metaphysical stage and the scientific stage.
Among them, a common method in the metaphysical stage is divination.
Usually, the tortoise shells are shaken by Aba Aba first, and then scattered to the ground with a splash, so as to deduce the so-called will of God.
In some primitive times, this ritual was often accompanied by acts such as offering sacrifices and praying for rain.
But on the other hand.
The metaphysical stage is not useless.
For example, our country summarized the twenty-four solar terms more than 2,000 years ago, which mainly guide agricultural production and marching and fighting.
Weather proverbs that have been passed down to this day can also reflect early people's concern for weather forecasts.
For example, "If you don't go out for the morning glow, the sunset will travel thousands of miles", "There are clouds in the sky, and it will rain on the ground" etc...
But as time goes by.
After the thermometer, hygrometer, and barometer were invented, and the theory of fluid dynamics was developed.
Weather forecasting has gradually begun to transform into an applied science.
However, what really led to the development of modern weather forecasting is also attributed to...
war.
That's right.
war.
Students who participated in World War I should know this.
World War I period.
Some conflicts arose between the United Kingdom and Norway, so the British government, which is the absolute leader in meteorology, decided to impose penalties on Norway.
At that time, there were 27 observation stations in the UK and only 8 in Norway. 27 to 8. The advantage was mine!
So Britain went ahead and refused to provide meteorological data to Norway.
However, the Norwegian government has not given up.
Starting from only 8 observation stations, they focused on meteorological monitoring, meteorological talents, theoretical research, etc., and achieved great success...
Norwegian School.
That's right.
This is how the Norwegian School came about.
Open any current "Principles of Synoptics" book and you will see that circulation theory, cyclone structure, cyclone life history, cold and warm fronts, air masses, etc. all come from the Norwegian school.
At the same time, it was Pieknes, the soul of the Norwegian school, who invented numerical weather forecasting that has influenced today.
Afterwards, it went through shocking operations by meteorologists such as Rossby, Charlie, and von Neumann.
Early 1954.
The first numerical weather prediction appeared in Stockholm, Sweden.
What about numerical weather prediction?
It means to solve the system of atmospheric motion equations through numerical methods given the initial and boundary conditions, so as to predict the atmospheric state at future moments from the atmospheric state at the known initial moment.
That is to say, it is assumed that there is a closed system of equations, which contains various meteorological element variables and the changes of these variables with time (?/?t).
As long as the values of various variables - such as temperature, air pressure, atmospheric density, wind speed, etc. - can be measured or calculated, the changes in these variables over time can be calculated.
It is also possible to calculate the values of these variables at the next point in time.
By repeating this process, you can make a weather forecast.
But because ?/?t is a differential, if you want to use the difference to replace the differential, the integration step cannot be too long - because there are errors in the observed atmospheric data.
Once the integration time is long enough, these errors will be infinitely amplified, and the weather forecast will be inaccurate.
These contents are very simple and easy to understand.
So it's very fast.
Lao Guo nodded clearly and wrote down part of the atmospheric wave equation on the paper.
Seeing that Lao Guo could keep up with his thoughts, Xu Yun continued:
"Guo Gong, you are a smart man, so you must have guessed some situations."
"That is to increase the amount of data collection by 100,000 times. It is impossible to rely on manual collection alone. Some kind of equipment must be used."
Lao Guo nodded.
This is actually one of the reasons why some leaders objected to questioning Xu Yun.
Except for the trick-or-treating solution where the number of people has doubled by 100,000 times, if you want to complete this step, you will definitely need the cooperation of a brand-new instrument.
It is too difficult to expect a returnee like Xu Yun to master this kind of technology.
Then Lao Guo hesitated for a moment and asked tentatively:
"Comrade Han Li, could it be that the equipment you are talking about refers to the weather satellite?"
About a year ago, Tyros 1, the first weather satellite in human history, was launched across the sea.
Tyros 1 orbited the Earth 1,135 times in a near-circular orbit at an altitude of 700 kilometers for 78 days. It took a total of cloud maps and terrain photos, which played an extremely important role in promoting meteorological research.
From then on.
The concept of meteorological satellites has entered the field of vision of various countries.
I want to come to Lao Guo.
The only instruments that can significantly increase the amount of data acquired are meteorological satellites.
But what surprised him was.
Xu Yun shook his head gently and denied:
"Of course not. Meteorological satellites may be able to provide good information assistance on a large-scale grid, but it is very difficult for small-scale weather prediction."
"Actually, for meteorological systems, in addition to direct detection of wind speed, humidity, and pressure, there is another special way to 'capture' them."
"Another way? Capture?"
Lao Guo was stunned subconsciously and couldn't help but repeat these two words.
After a while.
boom--
A flash of lightning suddenly flashed in his mind.
While this lightning made his scalp numb, he couldn't help but suddenly raised his head and looked at Xu Yun:
