SAS frequency domain processing method based on trunking processor
A frequency domain signal and processor technology, which is applied in the field of SAS frequency domain signal processing based on cluster processors, and can solve problems such as the inability to meet the requirements of real-time system time.
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[0061] The system and method for SAS frequency domain signal processing based on cluster processors of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0062] Such as figure 2 As shown, the system consists of sub-tasks such as initialization, pulse compression, azimuth non-uniform discrete Fourier transform, STOLT interpolation, two-dimensional inverse Fourier transform, image data storage and forwarding, etc. Concrete implementation steps of the present invention are as follows:
[0063] 1) Set the operating parameters of the SAS real-time signal processing system, such as center frequency, signal bandwidth, pulse width, pulse repetition period, sampling frequency, transmitting array aperture, receiving array aperture, number of array elements, and number of sampling points.
[0064] After setup, receive raw echo data from the network.
[0065] Let the emission signal be p m (t)=exp(j(2πf 0 t+Kπt 2 )), the intensit...
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