"Director Lu?" Hearing the knock on the door and talking, Zhong Xiaomo quickly got up and opened the door. When he saw Lu Jiadong standing at the door facing the wind and snow, Zhong Xiaomo was stunned at first, and then quickly Lu Jiadong welcomed into the room:

"Why haven't you rested so late?"

"I can't sleep at night, so I'll go out for a walk!" As soon as Zhong Xiaomo finished speaking, Lu Jiadong responded with a kind smile: "I'm here so presumptuously, haven't I bothered you?"

"No! No!" Zhong Xiaomo waved his hand quickly, then looked at Lu Jiadong's body covered with snowflakes, so he turned his head and ordered the student Song Xiaoxu next to him:

"Xiao Song, add some more fire to the stove! Pour a cup of our ginger candy water for Director Lu!"

After saying that, he turned his face to Lu Jiadong, and then said with concern: "Director Lu, it's cold outside. Come and roast the fire on the stove, warm up!"

The north is different from the south. It needs heating in winter. If it were later generations, northern cities in winter had been changed to centralized heating, and even rural areas with conditions were used to heat. However, in the early 1980s, in typical northern bungalows like the Central Plains Electronic Radar Institute,

In addition to the kang used at home, the most important equipment for heating in offices is a coal stove with a long and long cylinder chimney as thick as a sea bowl. The heat provided by such stoves is naturally incomparable to the centralized heating in later generations. However, for people like Lu Jiadong who just came in from the cold house, it is indeed a good place to warm!

So after hearing Zhong Xiaomo's words, Lu Jiadong nodded, then dusted the snow on his body, and then went to the coal stove in the center of the room, put his hands on it to warm it up. At this moment, Song Xiaoxu came to Lu Jiadong with a cup of extremely rich ginger candy water and handed it over with both hands:

"Director Lu, drinking some ginger candy water will not only warm up but also prevent colds!"

Lu Jiadong thanked him politely, then took the ginger candy water, took a few sips, and felt a warm current penetrate the whole body, and his whole body instantly warmed from the inside out. At this time, Song Xiaoxu, who had completed the coal addition, brought a few chairs, and the three of them sat around the warm fire. Lu Jiadong took a few more sips of ginger candy water, then put down the cup, then looked at Zhong Xiaomo and Song Xiaoxu beside him, and asked with a smile:

"Chief Professor Zhong, are you discussing computers with Xiao Song just now?"

Although Zhong Xiaomo was surprised by Lu Jiadong's sudden visit, he was not surprised. After all, the two had established a good relationship during the negotiations in Beijing. Not only that, before and after the establishment of the Artillery Radar Leading Group, Lu Jiadong also taught him the relevant knowledge about artillery radar, especially the basic calculations and function equations of the multi-point position of the artillery shell, as well as the solution, to Zhong Xiaomo.

This made Zhong Xiaomo amazed that Lu Jiadong's radar professional technology was so advanced and proficient, and he was deeply moved by Lu Jiadong's full teachings. Lu Jiadong had such good skills and broad mind, which made Zhong Xiaomo admire him from the bottom of his heart. As a result, the two established a strong friendship. At this time, Song Xiaoxu, who came to Beijing with Zhong Xiaomo, also met this legendary Lu Jiadong who was about the same age as him!

Because of this, the three of them are not unfamiliar with each other, so Lu Jiadong can speak straight to the point, and Zhong Xiaomo also answers questions and answers without any obscureness:

"We first used to comply with the multi-point position of the shell founded by Director Lu to meet the functional equations of the calculation positioning. We carried out detailed calculations based on the basic situation of our artillery radar. Before we were just resting, Xiao Song thought about further improving the computer!"

As he said that, Zhong Xiaomo raised his head and looked at Song Xiaoxu who was sitting opposite him and listening carefully with a slightly shy smile. Although his tone was very stable, he was still blunt:

"Director Lu, you don't know. I, a student, always thought about building a computer. It turns out that our foundation is not good, so he didn't think much about it. But you brought a lot of chips yesterday, and Xiao Song's heart became lively again, but he didn't know that it was not just a chip problem to improve the computer!"

As soon as Zhong Xiaomo finished speaking, Song Xiaoxu, who was sitting opposite him, put one hand behind his head and grabbed his hair. An awkward smile appeared on his childish face. In fact, Song Xiaoxu was very excited on the day he received the chip, so he screamed excitedly. Of course, his rash behavior was naturally criticized by his teacher Zhong Xiaomo. At that time, because of Li Ming's arrival, Lu Jiadong, including Lu Jiadong, did not take Song Xiaoxu's excitement to heart. At this time, after hearing Zhong Xiaomo's words, Lu Jiadong remembered what Song Xiaoxu said before:

"As long as I have the 8088 chip, I will be 100% sure to make the DJS-140 computer smaller and have stronger performance!"

Thinking of this, Lu Jiadong turned his head to Song Xiaoxu, with a kind smile on his face and asked lightly: "Xiaoxu, if you give you enough chips, can you really transform the DJS-140 computer into smaller and stronger performance?"

"This..." After hearing Lu Jiadong's question, Song Xiaoxu couldn't help but hesitate for a moment, wanting to answer, but in the end he didn't say it. Instead, he raised his head and looked at the teacher Zhong Xiaomo, who was sitting opposite him with helpless eyes. At this time, Zhong Xiaomo saw that Lu Jiadong was so concerned about computer issues, and recalled the helpless expression when Lu Jiadong proposed the idea at the evening seminar was not unanimously praised by the participants. How could Zhong Xiaomo not know what Lu Jiadong was thinking? So when Song Xiaoxu hesitated, he asked Lu Jiadong:

"Director Lu, do you think it is necessary to make further improvements in our computer, right?"

"What do you think of Chief Master Zhong?" As soon as Zhong Xiaomo finished speaking, Lu Jiadong asked immediately. After hearing Lu Jiadong's retort, Zhong Xiaomo hesitated for a moment, then frowned and nodded deeply:

"Although the djs-140 computer is better than the previous models, its basic shortcomings have never changed. It has a large weight, high power and high failure rate. If there is a better performance computer to replace it, I think the performance of our artillery radar will definitely have a qualitative leap!"

In fact, from the bottom of Zhong Xiaomo's heart, he has a positive attitude towards improving and improving computer performance. However, as a senior expert who has been working in the electronics field for many years, Zhong Xiaomo knows that this matter is easy to say but difficult to do. In addition, the current development of artillery radar is time-consuming and heavy, so there are no more mistakes.

It is precisely for the above reasons that Zhong Xiaomo had to suppress his strong positive attitude in his heart and make helpless compromises to reality. Therefore, when Lu Jiadong asked about this, Zhong Xiaomo would express his feelings in front of this friend with deep friendship:

"So the DJS-140 computer can be used, but this guy is installed on the radar and the supporting auxiliary equipment, the radar will weigh several tons. You must know that the British 'Simberlin' weighs only a few hundred kilograms. Let's not talk about the basic detection ability, just looking at the mobility, we are far behind others!"

After saying this, Zhong Xiaomo paused for a moment, then picked up the tea placed next to her, took a sip to moisten her throat, and then continued: "In fact, we have also done some exploration and research on large-scale integrated circuits over the years!" As he said that, Zhong Xiaomo raised his head to Song Xiaoxu opposite:

"Not to mention others, I, a student, have specially designed several integrated circuits to build a computer..."

"Really?" Before Zhong Xiaomo finished speaking, Lu Jiadong's eyes suddenly lit up: "Since that's the case, can you show it to me!"

Seeing that Lu Jiadong was so excited, Zhong Xiaomo nodded to Song Xiaoxu. After understanding, Song Xiaoxu got up and went to the filing cabinet in the corner of the house, took out some design drawings, and then returned to the seat and handed it to Lu Jiadong. Lu Jiadong took these pictures and slowly unfolded. When he saw the first integrated circuit design drawing, Lu Jiadong's eyes suddenly flashed with golden light, and he couldn't suppress his excitement and asked Song Xiaoxu beside him:

"Xiaoxu, are you all designed this?"

"Yeah!" Song Xiaoxu grabbed his hair with his hands and responded shyly: "When he was in college, he thought about when he could build a computer by himself, so when he was idle, he was fumbled to find out the integrated circuit structure diagram he designed!"

"Director Lu! Although the large-scale integrated circuit designed by Xiao Song has some flaws, the overall idea is still correct!"

"That's right, it's true!" After hearing Zhong Xiaomo's words, Lu Jiadong couldn't help but nodded in agreement. After looking through several other design drawings, the smile on his face became more and more intense, and then he continued with a smile:

"These pictures are not only designed reasonably, but also the computers manufactured according to this structure are definitely faster than the existing DJS-140 computers, and their volume and mass will be reduced exponentially!"

Although Lu Jiadong is not an electronic technology expert, he has been working on the front line of military industry for a long time, especially most of the military equipment in later generations cannot be separated from the support of electronic technology. Therefore, he is quite proficient in the knowledge of integrated circuits. Because of this, when he saw the large-scale integrated circuit design drawings drawn by Song Xiaoxu, he naturally knew the various advantages contained in it, just like he picked up a treasure, so that the smile on his face was brighter than the summer sun:

"If we can improve and manufacture according to this plan, I think the performance of the djs-140 computer will definitely have a qualitative leap!"

"But it's hard here!" As soon as Lu Jiadong finished speaking, Zhong Xiaomo couldn't help but sigh helplessly: "The designer has no problem, but we don't have any related manufacturing equipment such as semiconductor lithography machines, chemical phase deposition PVCDs, plasma etching machines, etc., so...ah..."
Chapter completed!