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Text Chapter 346 Underwater Ghost

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    The communists in the MZD era are the greatest. MZD thought, mainly MZD thought, infused them with the iron-blooded military spirit of overwhelming all enemies and never being surrendered by the enemy. They used their blood and loyalty to the motherland and their fearless spirit.  The spirit of sacrifice has created a steel backbone for the Chinese nation.  It is the main source of power for the rise of the new country.  The "base people" brought science and technology, the primary productive force, giving them even more powerful power.  Scientific researchers across the country and workers and engineering technicians on the military-industrial front have also made indelible contributions to ensure that the "most lovable people" of this era bleed less or even not on the battlefield.  ¡¾¡¿ While the carrier-based aircraft on the USS MZD aircraft carrier was conducting a fierce attack in the air, under the deep seabed, a life-and-death struggle between the submarine forces of the two nuclear-powered aircraft carrier fleets of the United States was also quietly unfolding.  The vast ocean accounts for 7% of the entire earth's area.  It provides an extremely broad stage for these elusive submarines, known as "underwater ghosts" and sneaking secretly in the depths of the ocean.  The U.S. Navy¡¯s SSN 588 ¡°Bastard¡± and SSN second-generation ¡°Bonito¡± class attack nuclear submarines perform underwater anti-submarine missions for the U.S. ¡°Enterprise¡± all-nuclear-powered aircraft carrier fleet.  They have high power, high altitude, long endurance and good concealment.  They cruise quietly in front of the USS Enterprise aircraft carrier fleet's route, performing underwater search and warning missions in sea areas where carrier-based aircraft and surface ships have not yet arrived, protecting the underwater safety of the USS Enterprise aircraft carrier fleet.  .  "" In the command room of the SSN 588 "Evil Han" attack nuclear submarine, the deputy captain, Major Finaklin, carefully recorded the current position of the "Evil Han" on the chart, and asked the captain from time to time.  Principal Ivida reported loudly.  Colonel Ivida was also looking at the chart. He used red and blue pencils to mark the route his submarine would take and the area to be searched on the chart. Then he drew red and green lines and arrows on the chart.  The chart was given to the deputy captain, Major Fenaclin, who carried out his orders.  We are about to reach the western edge of the Pacific Ocean basin.  The shapes of the marginal sea basins here are different, and the structure of the trench arc basin is changeable. Among the densely populated sea hills, the undercurrents are messy and the seabed situation is complex. It is very suitable for submarines to lurk. Pay special attention to the search to see if there is anything suspicious.  Target.  Captain Iveida measured the chart on the chart with a square ruler, drew a solid line on it with a red pen, then raised his head, took a sip of coffee from the cup, sat on the captain's seat and loudly ordered: "Right  "Turn right, channel o, depth 50 meters, sail 8 knots." "Turn right, channel o, depth 50 meters, sail 8 knots." Major Finaclin repeated Captain Iveda's order loudly.  "Turn right rudder, course o, depth 5o meters, sail 8 knots." An operator in front of the submarine operating console obeyed the order and loudly reported, "Prepare to turn, start turning after o seconds, o, 9, 8,  ,, turned to Ivida and ordered Finaklin, "Major, inform SSN59o Big Shark of our actions and position." "Yes, it is necessary."  "Finaklin picked up the walkie-talkie and replied. "In order to achieve the purpose of concealment, submarines spend most of their time in deep water. It is very complicated and difficult for a submarine to communicate with the outside world, and it requires a very complex information system.  Engineering. In the underwater world, in order to achieve communication between our own submarines, people have discovered an underwater communication sonar.  It can emit sound wave signals of different lengths into the water to form a sound wave code, and uses sound waves to convert each other to achieve the purpose of communicating with each other. Its mission is to ensure the group activities of submarines or meet the communication needs of other forces; occasionally appear on the water surface or under water.  This method is also used in underwater submarines. They use sonar to identify friend or foe and use passwords to identify friend and foe. This sonar sends out a special signal to ask the other party. If the other party is one's own submarine, it will answer a signal. If not, it will not accept it.  Even if the signal is received, it cannot reply correctly. This is like a sentinel in the night who needs to ask the other party's password first. This is the way to communicate with each other and judge the enemy under water.  Communication sonar is strictly controlled because it is easy for the enemy to intercept or expose the location of its own submarine. The "MZD" aircraft carrier fleet's "Dolphin" class NHO and NHO conventional-powered submarines receive "enemy intelligence reports" from the fleet.  "After that, the submarine immediately switched from periscope sailing to deep submersible state. As the main force of the anti-submarine warfare of the MZD aircraft carrier fleet, they used the maneuverability and concealment of their submarines more than 000 kilometers away from the eastern end of the Miyako Strait.  In addition, according to the arrangement of the fleet, the outer perimeter of the MZD aircraft carrier's defense circle was deployed for anti-submarine alert and anti-submarine search. The captain of the NHO submarine, Zhao Hailong, was sitting on a swivel chair in front of the "Dolphin" submarine display console.  , inserted a CD-ROM of the navigation chart of this sea area into the computer, and the multi-function combat command system computer screenOn the screen, the digital navigation chart of the intelligent navigation management system is immediately displayed.  After Zhao Long quickly entered a command on the keyboard, several navigation instructions routes were displayed on the screen for his reference.  Innovation is the magic weapon to seize the commanding heights.  After China's submarines were equipped with an intelligent navigation management system, the submarines realized paperless navigation charts, saving a lot of manpower and freeing up valuable submarine space.  In the past, when submarines went on voyages, especially long-distance voyages, the nautical charts they carried occupied a considerable amount of space on the submarine. Nowadays, these nautical charts are saved on just a few CDs.  A single CD rack can hold the world's nautical charts.  This is also a major scientific research project of the Department of Computer Science of "Blue Sky University of Science and Technology", the Institute of Computer Science of the Academy of Sciences, and the National Oceanic Surveying and Mapping Bureau.  The "base people" who came to later generations knew the importance of digital charts.  Very early on, under the leadership of Li Bin, a programming engineer at the base, and other young scientific and technical personnel from the Computer Department of Blue Sky University of Science and Technology, we formed a "chart group" and began research on the application of digital nautical charts.  With tens of thousands of programs input into the computer from their fingertips, the national digital sea map has become a reality step by step.  The first digital nautical charts.  In just a few years since then, the "Nautical Chart Group" has successively broken through six core technical problems, including the seamless splicing of charts of different scales, and achieved unique results of this era.  Digital charts are another breakthrough in the history of modern navigation after radar navigation and satellite communications.  With a click of the mouse, you can have a panoramic view of the vast sea.  When the ship is sailing, the digital chart can automatically select a route according to the combat intention; when danger factors occur on the waterway, the digital chart will sound a warning and display dangerous object graphics; when a long-range weapon attacks, the digital chart can provide the ship with information at any time.  The actual distance and location of any target point on the sea.  Digital charts can not only be used in the military, but can also "serve the people." With the help of digital charts, people can intuitively monitor the formation and development process of major marine disasters, and scientifically predict and prevent marine disasters.  After completing the search mission of its own defense area, the Nho submarine suspended among the undulating sea hills.  Silence is the best weapon for submarines. They turn off their engines, minimize their own noise, and completely hide themselves from the complex background noise of the ocean.  At the same time, it can also maximize its monitoring capabilities.  They were quietly lurking among the undersea hills, waiting for the enemy to arrive.  "Reporting that the passive low-frequency search sonar array on the side has received a suspicious underwater communication sonar signal." Came the headset of Colonel Zhao Long, the report of the NHO submarine sonar soldier: "According to three different positions on the side and the tow  The same signal received by the sonar is processed by a computer to determine the direction of the signal source. Our ship is 5 degrees and 7 minutes away, 5500 meters away, 50 meters deep, and 8 knots in motion. "If you are not careful in modern warfare, you may lose it.  Putting themselves to death, the call between the "Evil Han" and the "Big Shark" using specific sound waves did not escape the sensitive ears of the "Dolphin", and they exposed their whereabouts.  Hydroacoustic countermeasures are electronic countermeasures conducted by hostile parties using hydroacoustic equipment underwater in black holes.  It is of great significance for anti-submarine warfare.  It was gradually formed with the development of hydroacoustic equipment, submarine warfare and anti-submarine warfare.  The core content of underwater acoustic confrontation is detection and counter-detection, interference and counter-interference, destruction and counter-destruction.  In other words, you must not only use hydroacoustic countermeasures equipment, but also ensure that your hydroacoustic equipment is not interfered with, that is, when it is interfered, it can work normally, maintain the normal detection of your hydroacoustic equipment, and complete underwater detection and weapon guidance, so as to  To effectively attack and destroy the opponent's submarine, it must also interfere with the opponent's hydroacoustic equipment, blinding its hydroacoustic detection and losing control of its acoustic guidance weapons.  Zhao Hailong ordered the sonar operator: "Continue monitoring" while looking at the detection data displayed on the screen on the NHO submarine's display console.  The "Dolphin" submarine is equipped with a multi-functional combat command system, which once again shows its powerful functions. It is composed of marine environment sensors and electronic command and control systems, and then integrates the submarine's radar system, fire control system, and automated identification friend or foe system.  Based on the known target data, the firing parameters are quickly calculated, and then automatic firing control is provided, and tactical movement and weapon delivery methods are recommended.  Zhao Long kept switching between looking at the data and images on the multi-function display in front of him. Then he adjusted the angle of the microphone on the display console and said: "Attention to all departments, get ready for battle. Turn right rudder, 45 degrees, navigation  5 knots, depth 4o meters. Torpedo preparation."  Captain Iveda, the captain of the USS "Bad Han" attack nuclear submarine, stood up and poured himself a cup of rich-flavored Starbucks coffee.  He returned to his seat, put his feet on the small table in front of him, took a sip of the fragrant coffee, and enjoyed his supreme right here.  He described the boat he was driving as 76.7 meters long, 9.6 meters wide, with an underwater displacement of 5 tons, a maximum diving depth of 0 meters, an above-water displacement of 900 tons, an underwater displacement of 5 tons, and an S5 nuclear reactor and a steam turbine power plant, with a maximum  A 5,000-horsepower "Bonito"-class attack nuclear submarine??Very satisfied.  A nuclear-powered attack submarine like the "Evil Han" has a bow like a warhead, and the hull gradually expands from the bow to the rear, reaching the maximum width on both sides of the sail cover, and then shrinks inward to the stern. The entire submarine has a drop-shaped shell.  The hull is equipped with a cross-shaped tail rudder at the tail, which, combined with the new nuclear-powered propulsion system, greatly improves the submarine's underwater navigation, making it possible to reach a maximum speed of 5 knots on the water and 0 knots underwater.  In addition, the "Bonito" class attack nuclear submarine is also equipped with 6 torpedo tubes capable of firing Mk7 torpedoes; it is also equipped with sQs-4 active sonar and BQR-B passive sonar, which are respectively arranged on the torpedo tubes.  The upper and lower parts; Mk11 torpedo fire control system; a liftable periscope, located side by side in the command podium enclosure; an SS-type radar lifting mast, located behind the periscope; and an electronic countermeasures lifting device, located behind the radar lifting mast  , these advanced electronic equipment make this "evil man" invincible under the sea.  Colonel Ivida was also very satisfied with the well-trained 7 officers and 84 sailors under his command. He took off the cabin phone hanging on the reinforced support beam of the command module and dialed the sonar room.  .  "Staff Sergeant Redford, I am Captain Iveda, please report the current situation. Is there anything suspicious?" Staff Sergeant Redford, a black boy who graduated from the U.S. Naval Academy in Annapolis, used his right hand  He pressed the big headset on his head and replied: "Sir, everything is normal, there is no abnormality." "Very good, continue to monitor. If any abnormality is found, it must be reported to the command module immediately." "Yes,  "Sir" (Yes, sir.)" Principal Iveda yawned and said to the deputy captain, Major Finaclin: "Come on, there is nothing to do now, I want to take a nap."  Colonel Iveda handed the submarine "Evil Han" to his deputy, Finaclin. He walked out of the command room and watched Captain Iveda's leaving figure, and couldn't wait to sit on the ship.  Sitting on the long seat, he crossed his legs very proudly and thought that before long, he might actually become the master of this seat and the boss of the "evil man". This "evil man" in the United States did not smell at all.  To the thick murderous aura that permeates the surrounding gloomy sea water
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