Communication radiation source individual identification method and system based on cooperation expression
An identification method and radiation source technology, which are applied in the field of individual identification methods and systems for communication radiation sources, and can solve problems such as small samples, distortion of phase and amplitude information, and reduction of algorithm time complexity.
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[0043] Example 1: Participate figure 1 , A method for individual identification of communication radiation sources, including the following steps:
[0044] Step 1: Receive various communication radiation source signals through the reconnaissance antenna, and perform frequency selection, power amplification, and mixing of the received communication radiation source signals to obtain intermediate frequency signals;
[0045] Step 2: Filter, amplify, A / D change, and quadrature demodulate the obtained intermediate frequency signal to obtain two I / Q digital zero intermediate frequency signals;
[0046] Step 3: Divide the rectangular integral bispectrum feature vectors of all communication radiation source signals into a training sample set and a test sample set. The training sample set X constitutes a rectangular integral bispectrum feature dictionary, and the rectangular integral bispectrum of all communication radiation source signals The feature vector is divided into the training samp...
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