The development of rapid algorithms for computation of the discrete Fourier transform has encouraged the use of this transform in the design of communication systems. Here we describe and analyze a data transmission system in which the transmitted signal is the Fourier transform of the original data sequence and the demodulator is a discrete Fourier transformer. This system is a realization of the frequency division multiplexing strategy known as "parallel data transmission", and it is constructed in this manner so that the data demodulator, after analog to digital conversion, may be a computer program employing one of the fast Fourier transform algorithms. The system appears attractive in that it may be entirely implemented by digital circuitry. We study the performance of this system in the presence of typical linear channel characteristics. It is shown, via computer simulation and computation of the variances of errors, how the system corrects linear channel distortion.
用于计算离散傅里叶变换的快速算法的发展鼓励了这种变换在通信系统设计中的使用。在这里,我们描述和分析一种数据传输系统,其中传输的信号是原始数据序列的傅立叶变换,而解调器是离散的傅立叶变换器。该系统是被称为“并行数据传输”的频分复用策略的实现,并且以这种方式构建,使得数据解调器在经过模数转换后可以成为采用快速傅里叶变换之一的计算机程序。算法。该系统很有吸引力,因为它可以完全由数字电路实现。我们在典型的线性通道特征存在的情况下研究该系统的性能。通过计算机仿真和误差方差的计算,显示了系统如何校正线性通道失真。 P>
Bell Telephone Laboratories, Incorporated, Holmdel, New Jersey;
机译:具有正常色散光纤的光通信系统中非线性补偿的非线性傅里叶变换
机译:变换域通信系统中基于分数傅里叶变换的干扰消除
机译:变换域通信系统中基于分数傅里叶变换的干扰消除
机译:灵活的收缩设计与异步通信协议,用于离散傅里叶变换(DFT)和逆离散傅里叶变换(IDFT)
机译:使用非线性傅里叶变换的光通信系统中的非线性补偿。
机译:傅里叶变换拉曼光谱和傅里叶变换红外光谱(对五种高等植物细胞壁及其成分的研究)。
机译:傅立叶变换基于宽带无线通信的传输系统
机译:pFa(素因子算法),WFTa(Winograd傅立叶变换算法),sWIFT,mFFT(混合基线快速傅里叶变换),FFT(快速傅立叶变换)和DFT(离散傅立叶变换)算法的算术要求的比较。