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A new modulated hopping Discrete Fourier Transform (mHDFT) algorithm which is characterized by its merits of high accuracy and constant stability is presented. The proposed algorithm, which is based on the circular frequency shift property of DFT, directly moves the -th DFT bin to the position of , and computes the DFT by incorporating the successive DFT outputs with arbitrary time hop . Compared...
Static analysis cannot obtain the values of variables in actual program operation because it does not execute the code itself. It makes the detection of invalid arithmetic operation (IAO) in the field of static analysis difficult to achieve. This paper presents a practical model for IAO detection based on alias analysis. The model uses a triple to record information calculated in dataflow. In the...
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