Satellite Navigation Anti-jamming Steering Vector Automatic Correction System
A technology of guiding vector and satellite navigation, which is applied in the direction of satellite radio beacon positioning system, radio wave measurement system, measuring device, etc. It can solve the problems of unsuitable satellite navigation signal and inability to calibrate the guiding vector, and achieve high correction accuracy and correct Effects of improved efficiency and high estimation accuracy
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[0018] see figure 1 . In the embodiments described below, the satellite navigation anti-jamming steering vector automatic correction system mainly includes a multi-channel down-conversion radio frequency module, a DBF processing module, a satellite navigation digital receiver and a steering vector correction processing module. The multi-channel down-conversion RF module down-converts the received N-channel array antenna RF signals into N-channel intermediate frequency digital signal column vector x(t), divides it into two channels, and sends one channel to the DBF processing module for weighting processing. The reference array element received signal column vector y(t) obtained after processing is respectively sent to the q tracking channels of the satellite navigation digital receiver, and the other channel is sent to the steering vector correction processing module. When the steering vector correction processing module receives the satellite navigation digital receiver When...
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