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ology developed for the the radar Computer experts using our self-developed 64-unit vector computer, the preparation of a large and complex signal processing program. The course successfully developed digital RF memory system also played an important role, it can signal generated by the receiving unit and the front-end channel processor 512 parameters recorded, and then processed by a computer. As mentioned earlier, this storage system in the Extremely hard work in difficult conditions, by the end of 2006, China's first large phased array passive radar has finally come out. Only its volume is very large,nike air max 2007, and 512 array elements behind the front end of channel processors are required high-intensity refrigeration. Each receiver unit receives electromagnetic waves pointing to the airspace divided record the phase and amplitude, the difference between the signal of the adjacent cells together with the pre-processor obtained are simultaneously stored in storage systems to digital radio,buy cheap nba jerseys, and then treated by ultra-high-speed vector computer. Resulting orientation of the moving objects in the airspace, speed, after multiple scans calculated based on the speed and direction of movement it distance. Stealth aircraft in space will have a It is constrained by the performance of the power supply and cooling conditions, military aircraft measured projected F15, F18, A 10 like fighter detection range of 350,400 km, 280,370 km B2 like F117 stealth fighter distance measurement accuracy of 3%, and the accuracy of the azimuth angl