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Text Chapter 397 Various technical support methods

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    Although subject to current technical means, the positioning accuracy provided by these two devices is far from satisfactory. They can only provide a rough orientation. The positioning error of ground radio stations is about one kilometer. In a world where the enemy and the enemy are intertwined,  Zone is simply unusable.

    Because of that, even if there is a special contact signal, it is still impossible to accurately distinguish the location of enemy and friendly radio stations within one kilometer. Therefore, this aircraft was transferred to the sky above the Aruhorqin Banner by the Anti-Japanese Federation, specifically in accordance with the predetermined plan.  Guide the bomber group in the night bombing of the 7th Division.

    Moreover, limited by the strength of the received signal, these two aircraft can only monitor the signals of radio stations with a power of more than fifteen watts, and cannot detect the five-watt radio stations commonly used by the Japanese brigade. However, this is a disguised solution.  Low-power radio stations may cause interference due to too many, especially on the battlefield of Alukorqin Banner. This accuracy is enough.

    After all, even on the ground, the monitoring accuracy and positioning of radio signals cannot reach 100 meters. Even on the ground, the radio direction finder and locator are specially used to crack underground radio stations and intercept ground signals.  The accuracy of 500 meters can be said to be quite rare.

    What's more, these devices are aerial radio signal receivers, direction finders, and locators used for bombing industrial bases and large cities. They can only provide a rough range. Although some improvements have been made under Yang Zhen's suggestions,  However, it is still limited by the overall technology and cannot provide too high accuracy when positioning.

    However, Professor Shu Xingbei and several of his students and colleagues have come up with a complete set of improvement plans based on the concepts provided by Yang Zhen. After this battle, not only will the imitation of this equipment be fully started, but also  Moreover, the improved positioning accuracy of radio signals intercepted on the ground can be roughly increased to about 500 meters. If it can be achieved, then this accuracy can be said to be almost equivalent to precision guidance at the moment.

    Nowadays, after decades of advanced electronic technology, signals from electronic equipment can be locked through satellites. Airborne early warning aircraft and dedicated electronic intelligence reconnaissance aircraft can all accurately locate signals sent by ground equipment, not to mention with an accuracy of dozens of seconds.  Meter, even if the accuracy is several meters, it is considered a backward product. The most advanced products can even be positioned with an accuracy of tens of centimeters.

    Advanced military reconnaissance satellites can clearly see car brands on the ground not only during the day but also at night. Various airborne radars, advanced infrared equipment and thermal imagers loaded on the aircraft can accurately detect and detect vehicle signs at night when there is no starlight.  to find the target and lock on to it.

    As for ground targets, once they are locked under such circumstances, coupled with various precision-guided bombs and missiles, there is almost no possibility of survival. Even a signal from a palm-sized mobile phone can be used as a strike  means of precise positioning of targets.

    But at the moment, the improvement of positioning accuracy still needs a little bit of exploration, especially since the foundation of the Anti-Japanese Alliance is extremely weak. There are many things that need to be explored for a long time. Yang Zhen can only provide advanced concepts, and true theories.  , His gadget can't even touch the door, it's only half a window at most.

    Fortunately, the advanced concepts he proposed can provide a window for those researchers. Although there is a window grille, there is still half a window that can be used. For those true scientific leaders, with this half window,  It is enough to lead them into a brand new palace.

    Moreover, inaccurate accuracy is not only due to the technical capabilities of the equipment, which affects the accuracy of positioning, but is also subject to the training level of personnel and the inherent deviations that occur in manual work situations, which will also affect the accuracy of monitoring, especially on the battlefield.  , when dealing with various radio signals coming from all directions, confusion is more likely to occur.

    Even when these two aircraft were tested, they received signals from radio stations in six regions on six frequency bands. Everyone on the aircraft listened to the boasts of Japanese radio stations for half an hour in the cabin.  Their so-called illustrious military power also includes the broadcasts broadcast by the Puppet Manchukuo Radio and the Wang Puppet Radio to boast about the so-called friendly countries.

    This is still a time when the electromagnetic environment is far better than that of later generations. If there are taxis on the streets in later generations, walkie-talkies used by various commercial, civilian, military and police, plus large and small radio stations and mobile phone signals,  It is estimated that these personnel must be tortured to the point of going crazy.

    Although those selected to serve as these staff members are all carefully selected from college students who came to the Northeast from Guanhai and have been strictly reviewed, as long as people are doing this kind of thing, they will never make any mistakes.  If the signal intercepted on the ground can be accurate to one kilometer, it is already good.

    This standard can even be said to have surpassed the level of the United States and the United Kingdom, which are the most developed countries in electronic technology. The British have already begun toThe bombing of Germany was far from this accuracy. As for their opponents, the Japanese, they were thrown out who knows how far.

    However, for the Anti-Japanese Alliance, they will not put all their hopes on these two radio signal positioning aircraft. In fact, including the 26th Regiment, all the participating regiments of the 7th Division marched in two directions.  On both sides, a large number of ground bombing instructors and artillery observers were deployed.

    However, these ground guides, who are coordinated by aircraft in the sky, do not need to be close to the reconnaissance team like ordinary ground guides. In addition to constantly observing the Japanese army's route and adjusting the direction, all they need to do is to carry a  A fifteen-watt radio station formed a cross signal source on both sides of the Japanese marching sequence.

    Just place the intersection of the signal sources of the two radios at the head of your own marching sequence to observe the target, so that the British-made navigation system on the reconnaissance aircraft in the sky can receive the signals they send and determine your target.  location.

    The search troops dispatched by various departments of the Japanese army just followed common sense and circled around 800 meters away from them. Although the search was carried out extremely carefully, how could they find these ground guides one kilometer away, let alone these ground guides?  , all undergo special concealment training before being put on the battlefield.

    The radio antennas required for guidance are also hidden by trees. Except for specially trained military dogs, ordinary people, including Japanese soldiers, cannot detect them as long as they don¡¯t step under their feet. They are also not used for ground guidance.  Visible light sources such as flashlights and signal lights only require a fifteen-watt radio.

    As for those who really need to do close reconnaissance, there are also professional scouts from the reconnaissance brigades directly under the military region to do it, and they are not needed at all. Therefore, although these ground guides are dangerous to a certain extent, in general, as long as they are not unlucky enough to be killed by themselves,  If a human bomb explodes, the risk is still very low.

    Although the Japanese army continues to advance, long before this battle, the aviation and artillery forces have joined forces to complete the mapping of targets in the Aruhorqin Banner, including the entire Western Manchuria battlefield, which was marked on an aviation map and gridded.  , each small box is marked and numbered accordingly.

    In each small grid, there are relatively fixed ground guides and artillery correction personnel. Their task is only to monitor their own target areas. This combat mode was invented by Aviation Commander Fang Ziyi. In this way, although  The manpower consumption is larger, but the bombing accuracy at night is much higher.

    They did not need to move at all, they only needed to ensure that the radio signals in the area they were responsible for could be sent out smoothly and continuously. Before the Japanese army launched a comprehensive counterattack, the Anti-Alliance adopted a variety of methods, especially to ensure the accuracy of night bombing.  On the other hand, it can be said that they have racked their brains and tried all kinds of methods and means.

    Not only were ground bombing guides set up in the air and on the ground, but also high-power radio stations were established in Linxi, West Ujimqin Banner, Qiqihar, Jiangjun Temple, and the westernmost part of Aruhorqin Banner in the last time before the war.  The system network of his own battlefield navigation and the signals sent back by the ground guides can not only be received by the aircraft in the air.

    The navigation network established on the ground can still be received if the transmitter adopts a ground wire and lengthens the communication antenna. Through various support methods adopted by the aviation force, although the accuracy of nighttime bombing is not as good as that of daytime bombing, the proportion has dropped.  Not very big.

    As for large-scale bombing at night, bombers that have just completed night flight training have problems with their own navigation from the airport to the battlefield and problems with formation in the air. They do not yet have the resistance to identify friend or foe. Although the method to solve the problem is clumsy.  A little bit different, but the method is simpler.

    In order to ensure the safety of the air formation and prevent it from flying in the wrong direction in the vast night, in addition to the navigation role of radio reconnaissance aircraft in the sky, there is also a strict rule in combat that when the aircraft takes off, cars are used as  Directional instructions.

    When the plane took off, the two cars turned on their lights crosswise outside the airport. The intersection of the lights pointed in the direction where the aircraft needed to be dispatched. At the same time, the intersection of the lights was also the gathering point of the bomber group. All of them.  Planes must gather and form formations above this point. In the dark, as long as you pay a little attention, this point is relatively easy to find. As long as you don't fly to the highest altitude that the plane can fly, there is absolutely no problem.

    The air crews at various airports, after the ground personnel received the intelligence and found the location to be bombed according to the corresponding number on the map, immediately calculated the combat distance. The aircraft participating in the battle, in accordance with the strict regulations of the aviation force, the entire formation maintained a fixed position.  Speed, led by an aircraft equipped with signal receiving equipment, it flew to???field.

    This speed is also mandated not to exceed 350 kilometers per hour. As long as the aircraft maintains this speed, there will basically be no clearing up of laggards. At the same time, when returning, the guidance aircraft is also equipped with flares. At the same time, several  The fuselage of the guidance aircraft and the leader aircraft are also equipped with specially improved low-power searchlights.

    When returning home, all the searchlights on these aircraft were turned on to maximum power to ensure that pilots who were not particularly skilled in instrument flying were guided to keep up with the flying team and not fall behind. The order of bombing was also after the lead aircraft entered, and the remaining aircraft  Follow up later.

    The time for all aircraft to drop bombs is strictly limited to a certain specified time. All aircraft, regardless of whether the bombs they carry are dropped cleanly, must return after receiving the signal from the lead aircraft's signal flare. In addition, all aircraft participating in the battle must  Equipped with a complete radio communication system.

    At the same time, all bombers participating in night bombings were selected pilots who had completed instrument flight training. Therefore, the night bombings of the Anti-Japanese Alliance basically did not cause major problems. This night battle also allowed all participating pilots to accumulate experience.  Rich experience in night bombing.
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