Chapter 40 Sonar Systems

"What's new?" He looked at Bourne, who was seriously immersed in his work, and couldn't bear to interrupt. Pen "Fun" Pavilion www.biquge.info

I saw Bourne keep tapping on the keyboard under his hand, making a crackling sound, ignoring Yang Lei at all, and after two minutes, he breathed a long sigh of relief, turned his head to look at Yang Lei, who was still staring at him meticulously, and asked, "Can you understand?" ”

The dense complex code was beating on the screen, which made Yang Lei shake his head when he saw it.

With a tap of Bourne's hand on the mouse, the light brain screen immediately switched to another picture, and he said: "This is the sonar system we set up in the Pacific Rim region, which mainly includes two parts, namely the dry end and the wet end, as the name suggests, the dry end is the water part, that is, the land and the air, and the wet end is the underwater ......."

The Pacific Rim, which in a broad sense mainly consists of Oceania, East Asia, North America, and a number of countries along the Pacific coast of South America, is a specialized term in geography.

The Pacific Rim region is rich in natural and economic diversity, with the United States and China, which are currently ranked first and second in the federal rankings, and some regions such as the Far East, which rely on their abundant natural resources, to promote the rapid development of animal husbandry and agriculture.

However, there are advantages and disadvantages, data records, 80% of the most serious earthquakes in human history occur in Pacific coastal countries, the Pacific Rim is like a huge ring, around the Pacific Ocean, but also formed a frequent seismic zone, relatively speaking, the Atlantic countries are much less affected.

The strongest earthquake ever recorded in the Pacific Rim, magnitude 9.5 on the Richter scale, killed 140,000 people, making it the worst earthquake toll event in federal history.

Every boy has a heart to fight monsters, the turmoil between the Federal Alliance and the Japanese Empire has not subsided, and unexpectedly, marine mutant species have been found in the Pacific Rim, which makes Yang Lei, who is one of the few people in the know, feel a headache, he has not thought about driving a tall mobile suit to fight against the incoming monsters, but he never thought that this kind of bloody plot that is quite similar to that in science fiction visual movies will be staged in reality in his lifetime, it is really a once-in-a-century encounter!

Byrne continued: "Relatively speaking, it is the wet end that plays a big role for us, because based on the known conditions, we can basically determine that the mutant species live in the depths of the ocean, and the wet end part of our sonar system is mainly composed of hydroacoustic transducer base arrays. ”

Seeing Yang Lei's dazed look, Bourne asked, "Do you know sonar?" ”

The former shook his head.

Seeing this, Bourne pursed his lips at Tang You on the side, thinking, why would she like such a man?

"Sonar is a thing that uses underwater sound waves to detect, locate and communicate with underwater targets, and sonar detectors are the most widely used and important devices in hydroacoustics, and we have installed thousands of these electronic devices in the Pacific Rim, and then integrated them into the Eagle Eye system, using the information fed back by these detectors to analyze, and then screen out which ones are sent from the mutated species, so that we can roughly locate them." Byrne asked, "Do you understand it now?" ”

Yang Lei nodded, but still said with a puzzled face: "Then how can we tell which ones are from the mutant beasts and which are from the normal sea creatures?" ”

"Forehead ......"

Hearing Yang Lei's question, Bourne stopped making a sound, and Tang You, who was on the side, covered his mouth and smiled, and said: "Each creature has its characteristics, and for those unknown creatures that are mutated due to radiation, they also have their sonic characteristics, and the sonar system can be divided into two categories, one is active sonar, and the other is passive sonar. ”

"What we connect to the Hawkeye system is the active sonar system, which can actively send sound waves to the deep sea to irradiate the target, and then accept the echo time reflected by the target in the water, so that according to various parameters, its distance, azimuth and other elements can be determined, and according to the amplitude and change law of the echo, the shape, size, nature and motion state of the target can be identified."

Yang Lei still didn't fully understand, but he finally got the hang of it, and then Tang You added: "The active sonar system is mainly composed of the transducer base array, transmitter, timing center, receiver and display controller that Bourne said just now, just like the mecha you usually drive, understand?" ”

"That's a lot of difference!" Yang Lei said bluntly: "If being a pilot requires such knowledge, then I would have changed my career a long time ago." ”

The two rolled their eyes at the same time after hearing this, and Tang You said seriously: "It's okay, there is a specialization in the art industry, maybe this is not your strong point, just leave it to me and Bourne here." ”

"That's not going to work." Yang Lei vetoed: "Since Lieutenant General Mitchell was recalled to China for something and handed over the temporary command to me before leaving, and Falcon is busy because of the position of acting speaker, then I should fulfill my obligations, and I can learn what I don't understand, it depends on whether you are willing to teach me, Mr. Tang?" ”

"Don't call me that." Tang You said in shame, looking at Yang Lei's meaningful smile on his face, he suddenly blushed like an apple, and his mind involuntarily flew to the time when he was in the Holy Garden before, and then looked at the face in front of him, how could he feel hateful.

Yang Lei laughed and said, "Haven't you heard a word?" ”

"What?"

"I don't know how to pretend to understand, I will eat for a lifetime!"

"Do you really want your future man to be a rice bucket who can only eat dry rice? Teacher Tang ......," Yang Lei continued to reiterate.

At this time, Bourne, who was working hard, shook his head helplessly, ignoring the blatant flirting between the two.

In front of outsiders, hearing Yang Lei say this, Tang You didn't know what it was like, a little shy, and a little inexplicably satisfied.

"Don't even speak!"

Just as she was about to open her mouth to refute, Bourne, whose eyes had been glued to the surveillance screen, suddenly blurted out: "Come and see!" ”

After noticing that the curve on the screen was floating up and down sharply like an electrocardiogram, Tang You immediately ran to another light brain, put on headphones, and after a few seconds, took off the headphones, turned on an external speaker set up next to the host, turned up the sound to the maximum, and said, "Listen, what kind of sound is this?" ”

"Zi, Zizi ......"

"Where's the leak?" Yang Lei joked.

"Seriously, it seems to be a sonic wave." Tang You said solemnly.

Hearing this, Yang Lei also realized the seriousness of the matter, and immediately pricked up his ears to listen, which is similar to a sound made by a magnetic field, a bit like the sound of a hypnotic device specially researched for insomniacs, Yang Lei has been in contact with this kind of instrument before, specifically to change the surrounding magnetic field to assist people in sleep.

"No, this is coming from the mutant beast, and it's trying to interfere with our sound waves." Byrne immediately came to his senses and began to search for the source of the sound.

"It's the Coral Sea!" (To be continued.) )