Chapter 818 What technologies are still missing?
For Gao Zhendong, with the air division switch, time division and even numbers are a less urgent goal, because the air division switch is also enough to build an automatic telephone switching network. It can affect both quantity and quality, but at least it can have.
But there is no urgency at all. If you know clearly that there is such a direction and do not pursue it, you are a fool. It's obvious that Gao Zhendong doesn't want to be this fool.
"Well, Comrade Zhendong, since you are so confident, that's no problem. Our Postal and Communications Commission will listen to you in this regard! You decide what to do next, and we will follow up." The leader of the Postal and Communications Commission is also very decisive. people.
"Chief Engineer Gao, look at what basic technologies are needed to realize your idea? We fully support it." The Chief Engineer of the Postal and Communications Commission considered the problem and started more from the technical point of view. Since it is necessary to do it, then Let’s get the front-end technology up first.
"Actually, many of them have already been done before, but there is one thing that must be done, otherwise you won't even be able to figure out the time, let alone the numbers." In theory, things that are purely numerical do not necessarily require time. , but in fact, with the current hardware capabilities, Gao Zhendong is not prepared to make any mistakes, and honestly enters the numbers directly from the time and minutes according to the technical information at hand.
The main reason is that the set of things in his hand came from time, and the technology inheritance and path dependence are very strong. Gao Zhendong has no idea of starting a new one, so as not to affect the whole body, and many ready-made technologies cannot be used, so it will be nonsense. , such as packet switching, No. 7 signaling, etc.
"What is it? We fully support it. We will give you whatever you want." The leader of the Postal and Communications Commission made the decision directly without waiting for Gao Zhendong to explain what it was.
I want 10 Gigabit Ethernet fiber optic switch, I want 5G, I want Wifi7...
However, Gao Zhendong also knew that this was nonsense. This unreliable idea flashed through his head and disappeared immediately.
"Solid-state electronic switch! Without this, with the switching speed of the relay, it can't keep up even if it breaks itself." For the Military Communications Institute, their main demand is to digitize speech, so pulse code modulation PCM, AD, and DA are all required , they were also working on these things under the guidance of Gao Zhendong, but because they did not have the need for time classification, they did not work on electronic switches.
Gao Zhendong gave a general introduction to solid-state electronic switches. Relays can only be regarded as electromechanical switches, which are the result of the joint efforts of electronics and machinery. Solid-state electronic switches have no moving parts. For this reason, relays are used in some applications. The taillights can no longer be seen due to the swing, there is no mechanical fatigue or failure, and the switching speed is extremely fast.
"Electronic switch? Can this thing be made?" The chief engineer of the Postal and Communications Commission knew that in theory, an electronic switch could be made with a triode, but the electronic switch Gao Zhendong mentioned must not be such a simple thing. The transistor conducts in one direction, and the electronic switch used in the switch is preferably like a relay, which conducts in two directions.
This is a bit more troublesome to do. In addition to the characteristics requirements such as efficiency, voltage drop, on-resistance, etc., a simple triode construction may not necessarily be able to meet the requirements of the switch.
"I can do it. Now I have some foundation." Gao Zhendong said with a smile.
There are many types of electronic switches, including magnetic, electric, semiconductor, and vacuum tube. The PMOS technology he has now may not be able to withstand it, but no one stipulates that the integrated circuit production equipment that uses PMOS can only Engage in PMOS.
He even thought about something more than solid-state switches.
"Okay, Chief Engineer Gao, you have the final say on this matter. Later, our comrades from the Communications Institute will ask you to implement this matter. The 12th Machinery Department may do more work, but we can still solve the problem of funding." "The leaders of the Postal and Communications Commission are also very generous. They know that this thing can only be done by the 12th Machinery Department, but they will not just "wait and wait", but take the initiative.
"Well, okay, in terms of hardware, this is the only thing that is still missing. The remaining technology, apart from electronics, a lot of work is in rules and software. If the comrades of the Institute of Communications are determined to do this, then We can consider strengthening this aspect.”
"It's easy to handle. It's graduation season. Our affiliated colleges also have a group of graduates in this field who are just in need. We will arrange this matter." The chief engineer of the Postal and Communications Commission laughed and said In this regard, except for the 12th Ministry of Machinery, no other ministry can compare with them.
There are a lot of communication colleges under the Postal and Communications Commission. There is a college named "Post" in Jingcheng, Nandu, Southwest, Northwest, and Northeast. In Gao Zhendong's previous life, many of them were popular schools and once enrolled students. The kind that can suddenly raise your grades by half or even a grade.
These colleges and universities are naturally close to computers and software, and they offer a wide range of related majors.
Gao Zhendong is also very aware of this situation. In this regard, he is really not worried that the Postal and Communications Commission will not be able to handle it: "Okay, I will meet with the comrades from the Institute of Communications later to solve these things. Now, you should first With the work of air separation program control exchange, I guess you will be busy in the near future.”
He had just heard the leader of the Postal and Communications Commission tell him about the ins and outs of this acceptance meeting. Unlike the Ministry of Foreign Commerce and the Postal and Communications Commission, which only wanted to show their strength and had little hope for sales, he felt that this thing could at least be capable. If you sell some, if nothing else, even if you don’t use it, why don’t you buy some for research?
Gao Zhendong didn't believe it.
Moreover, among the Economic Assistance Council countries, there are indeed some unique countries with good economic conditions. They may not be interested in this thing.
So Gao Zhendong said that they will be very busy recently, that's what he meant.
Gao Zhendong left the Postal and Communications Commission and saw that it was almost dinner time. He got in the car and said to the driver comrade: "Go to my father-in-law's house." He has work to do, and his wife also has to watch.
Comrade driver Gao Zhendong has been working with Gao Zhendong for a long time and is very familiar with several places he often goes to. In fact, he knew it as early as when he took on this job. At that time, Gao Zhendong didn't need to give directions.
Gas-69 rushed Gao Zhendong to the door of Lou's house before leaving. As for returning to the courtyard, he didn't have to wait. There was no telling whether Gao Zhendong would return to the courtyard today.
As soon as she entered Lou's house, Lou Xiao'e, who was reading a book on the sofa, saw Gao Zhendong. She threw the book aside happily and patted the seat next to her: "Zhendong, come here and sit here. Come here and sit here."
Gao Zhendong walked over and said casually, "In your case, don't read so many books for the time being. It hurts your eyes." There are some changes in vision during pregnancy. If you are unlucky, reading will be very difficult.
"It's okay, it's okay, I'm not reading professional books, biographies or the like, it's a no-brainer." Lou Xiao'e hugged Gao Zhendong's neck with a charming expression.
"I'm not talking about the brain, I'm talking about the eyes!" Gao Zhendong tapped her nose, glanced at her, and roughly saw the words "Pasteur". It seemed to be the biography of a medical-related figure, really. It's to kill time.
"Oh, my eyes are fine." It seems that Lou Xiao'e is more worried about her brain, but she is very confident about her eyes.
"How are things going with Dr. Luo?" Although the project has just begun, Dr. Luo, as one of the top experts in this field, has already accumulated a batch of relevant data. When the project began, Lou Xiao'e, who was in charge of the data, The analysis and processing members have work to do.
The analysis and processing of past historical data can help the next step of research work to find the right direction, which is still very important.
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Speaking of this, Lou Xiao'e was very proud: "Well, with the database you installed for me, I can get it pretty quickly."
There are no data analysis software such as SAS, SPSS, and Stata now. Gao Zhendong got her a set of databases and asked her to use them first. Not to mention, Lou Xiaoe learned this stuff very quickly, at least some simple statistics. Analysis is not a problem for her.
As for the computer with the database software installed, the Lou family bought it themselves according to the note approved by Gao Zhendong.
"Teacher Luo said that the data processing speed this time was beyond her expectation and saved her a lot of time." When Lou Xiao'e said this, she wrinkled her nose proudly, and Gao Zhendong laughed. stand up.
"That's good. By the way, Shazhu and Sister Qin are getting married soon. Will you go then?" Gao Zhendong estimated that Lou Xiao'e would definitely join in the fun unless her health didn't allow it.
Sure enough, Lou Xiao'e's eyes lit up when she heard this. She has a good relationship with Qin Huairu, and Gao Zhendong has a good relationship with Shazhu. In her opinion, it doesn't make sense not to do this.
"Is this happening? I've been living here for a while and didn't even know it. Go! You must go!" At this point, she burst into laughter.
With her belly of six to seven months old, although the twins were obviously pregnant, which was a bit inconvenient, the activities were still basically convenient. As for getting married, how could she not enjoy this kind of joy?
"That's it, I'll pick you up when the time comes." Gao Zhendong didn't care about this. Being careful and being grounded are two different things. Proper exercise and a happy mood are good for Lou Xiao'e. The tradition of joy is The scientific principles in the customs probably come from this.
"Yeah, yeah. Come on, come on, tell me, what's going on?" Lou Xiao'e's gossip got out of control.
She knew about He and Qin, but she didn't know much about the upcoming marriage and her return to her parents' home to have a baby. Now that she heard Gao Zhendong mention it, she couldn't suppress the curiosity in her heart.
"This matter is a long story..." Seeing his wife's curiosity, Gao Zhendong took on the posture of a storyteller and told Lou Xiao'e about this matter, which made Lou Xiao'e giggle.
(End of chapter)