The positioning satellite has now started. Even though Qian Zilin is in full control of the process, Ling Yue is still not very reassured. The reason is simple, because it is too advanced for Longguo.
What is a positioning satellite? In ancient times, there was a story about playing with beacons to trick the princes. People also often say that the higher you stand, the farther you can see. If you equip the radar with wings and fly it, you can see wider and broader. After the image appears, the data will be analyzed and marked. This is positioning. Gradually, it has developed into making radar into a satellite, and then positioning is performed. This is a positioning satellite.
It relies on a lot of calculations and data analysis.
It is easier said than done. To accomplish this, you need to consider several points:
1. How to make the radar fly and how to make it into a satellite.
Second, how to transmit it back over such a long distance.
Third, whether the quality of the image transmitted is usable and whether it is affected by natural factors such as weather.
Fourth, whether it can be transmitted in real time and whether the delay time is controllable.
Don't wait until everything has changed before sending back the message. Holding the thing will be useless.
······
In Jiuquan, fifty-year-old Qian Zilin and a white-haired man of seventy were lying on the table, having a heated discussion.
"The problem now is that even if we can produce a video with the current camera technology, the image quality will be blurry, the observation angle is too small, and the anti-interference ability is too low."
After discussing several issues for several days without seeing any progress, Mr. Zhu felt annoyed. He threw his pen on the table, supported his waist and stood up. He raised his eyebrows, but his eyes were still fixed on the drawings on the table.
"None of these problems have been solved yet. What should we do?"
Even the blueprints haven't been drawn yet.
Upon hearing this, Qian Zilin calmly picked up the water jar placed in the corner and took a big gulp.
"Why are you so angry? Don't be impatient. This thing is not available abroad. We have time. Take your time."
"Come on, continue. My idea is to make full use of the angle of incidence, different frequencies, and different polarizations..."
He wrote and drew, erased the pencil and wrote again, wrote and erased again, but he still couldn't finalize the blueprint.
It got dark until the orange lights in the conference room came on.
"Rest first and continue tomorrow."
Everyone hurried to the cafeteria to eat something, and then went back to look up the relevant information books bit by bit.
Mr. Zhu sat at a long table, wearing reading glasses, leaning over the table, looking through the top of his glasses at documents. There were scattered documents all around him, and the entire office looked messy.
"Okay, Mr. Zhu, eat something first, and then watch it after you finish eating."
Qian Zilin placed the lunch box next to Old Zhu, pushed it forward, and then picked at the food in front of him. As he ate, he sighed, "This is what Ling Yue had as her first meal here. It's exactly the same. I wonder if she's resting now."
Hearing this, even Zhu Rongfang, who had only lived with Ling Yue for eight months, wanted to laugh.
Rest? Does that girl know how to write the word rest?
"If you ask me, imaging issues are something only professionals know how to deal with. Take that camera, for example. We only get to take a peek at it when we're taking pictures. We're not even allowed to play with it. How stingy."
The speaker may not have any intention, but the listener may take it seriously.
Qian Zilin, who was busy eating, paused and said, "Yes, the same goes for cameras."
Thinking about it, I quickly searched through the information beside me, but found nothing relevant.
"Xiao Li."
He shouted, and Xiao Li ran in quickly. He heard Qian Zilin excitedly ordering, "Who is the accompanying cameraman? Please come over."
Xiao Li responded and went to do it immediately.
Seeing this, Zhu Kefang thought for a moment and realized that this was the case.
Doppler frequency!
Thinking of this, Mr. Zhu pushed his lunch box aside, took out a pen, opened his notebook, and wrote down the formula.
In June 1960, Ling Yue watched as the towering receiving tower was completed, with three antennas standing tall on the top of the tower.
"The parts have arrived and can be installed." Shen Gong stood beside Ling Yue and said softly.
Back in the control room, wooden boxes of parts were piled up against the wall, one meter apart.
In front is a large open space, all clean white and without a speck of dust.
"Don't leave the receiver parts outside. The rainy season is approaching."
"All that's missing now is the receiving sailboards, so let's install the equipment in the receiving room first."
Soon, the boxes were opened one by one, and the researchers either squatted or sat on the ground.
The control room consists of hardware and software such as information processing, display, transmission and monitoring facilities.
There are no ready-made machines here, everything is made of parts and needs to be installed one by one.
Ling Yue rolled up her sleeves and sat on the ground, rummaging through the parts at hand.
The entire control room was in chaos, with the hissing of drawings and the sound of discussion rising and falling.
People who used to be busy writing documents discovered that they had a talent for manual work.
Who can resist the sense of accomplishment of turning something on a drawing into a real thing?
——Speaker of the building block enthusiast.
Just as everything was going on in an orderly manner, Tang Nancheng came trotting in.
"Lingyue, something happened to Mr. Zhao."
In one sentence, the attention was shifted from his hands to Tang Nancheng's face.
Her heart tightened, what she had worried about finally happened.
He hurriedly placed the parts in a wooden box, took off his white coat and insulated shoes outside, and walked out quickly.
"What's going on?"
Tang Nancheng followed behind Ling Yue and quickly reported: "A heavy rainstorm hit the island this morning, and all the experts are trapped on the island."
Only after they walked some distance did Ling Yue dare to speak loudly.
"What about the navy? Has it been notified?"
"They're on their way to rescue. It was the Navy Department that notified me of this."
Ling Yue frowned tightly, returned to her residence, and took out the map: "I remember they are in this part of the Pacific Ocean now, right?"
She clicked on the location on the map, which was just east of Nanjing, about one hundred nautical miles away from Nanjing.
According to the plan, they should be collecting meteorological data on the nearby island at this time.
"Notify the hospital to prepare to admit Uncle Zhao and the others. Contact the navy and tell the rescue team to count the number of people upon sight. If there are fewer people, search northwestward at sea."
It is summer now, and the wind should be affected by the Pacific high pressure, forming a southeast wind. If a person is missing and cannot be found on the island, then he or she is likely to be blown to the northwest sea by the southeast monsoon.
The sea has always been mysterious. The island they are currently on is small and there is almost no shelter. If it is a rainstorm, it will be okay, at most Lin Yu will get sick. But if there is a little wind, there is no place to hide without any shelter.
I just hope the rescue team can arrive in time.
Otherwise, if you fall into the vast ocean, your life or death will be unpredictable.
"good!"
After saying that, Tang Nancheng notified everyone very quickly.
After a while, it started to rain in Nanjing, and the sparse rain hit the glass windows, making crackling sounds.
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