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1·Inverting that will yield -1 on a two's complement machine which is the value we need!

反相，将产生1二进制补码机器上(这是我们所需要的价值！)

2·The uniform expression of multiplier of two's complement and unsignednumber are given in this paper.

本文给出了二进制补码和无符号乘法器的通用表达式。

3·The error of the decimate in time (DIT) radix-2 fast Fourier transform (FFT) is analyzed, where the data format is two's complement.

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。

4·Some converters use unsigned-binary-data types; other converters use two's-complement signed data.

一些转换器用无符号二进制数类型，其他转换器使用有符号二进制补码数据。