这会将所有位全部置位，因为它采用了二进制补码算法。
This turns all the bits on since twos-compliment arithmetic is used.
本文给出了二进制补码和无符号乘法器的通用表达式。
The uniform expression of multiplier of two's complement and unsignednumber are given in this paper.
分析了按时间抽取（DIT）基-2快速傅里叶变换（FFT）的误差，数据格式为二进制补码。
The error of the decimate in time (DIT) radix-2 fast Fourier transform (FFT) is analyzed, where the data format is two's complement.
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