Butterfly-shaped operation FFT processor
A butterfly operation and processor technology, applied in complex mathematical operations, electrical components, broadcasting system reception, etc., can solve problems such as high computational complexity
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[0021] In order to better understand the present invention, the present invention will be described in more detail below in conjunction with specific embodiments. It is to be noted that similar components are given similar reference numerals even though they appear in different drawings. In the following description, when a detailed description of known functions and designs employed may obscure the subject matter of the present invention, these descriptions will be omitted here.
[0022] figure 1 It is a structural diagram of an FFT processor in the prior art. The FFT processor in the prior art has been described in detail in the background art, and will not be repeated here.
[0023] figure 2 It is a structural diagram of a specific embodiment of the butterfly operation FFT processor of the present invention. In this embodiment, the memory address control unit 605 in the butterfly operation FFT processor controls the storage / reading positions of input data and twiddle f...
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