当用计算机模拟满足一定功率谱规律的离散数字随机信号时，通常是对伪随机白噪声离散数字信号进行数字滤波来模拟。
When the random processes that meet certain power spectra are simulated by digital filters to white noise, the step length of the filters affects response mean-square values and correlation functions.
最常见的数字信号处理技术之一是离散傅立叶变换（DFT），它把一个信号分解成它的组成频率，并表示成一个矩阵。
One of the most common digital-signal-processing techniques is the discrete Fourier transform (DFT), which breaks a signal into its component frequencies and can be represented as a matrix.
离散傅里叶变换（DFT）在数字信号处理等许多领域中起着重要作用。
The Discrete Fourier Transform (DFT) plays an important role in digital signal processing and many other fields.
数字信号处理中标准的频谱分析方法是离散傅立叶变换（DFT），典型的实现方法是快速傅立叶变换（FFT）。
The standard method for spectrum analysis in digital signal processing is the discrete Fourier transform(DFT), typically implemented using a fast Fourier transform(FFT) algorithm.
利用FDSP在数字信号处理上的优势，优化改进了离散傅立叶变换(DFT)算法来提取信号特征量。
Making use of the advantage of the FDSP in the digital signal processing, we can optimize and improve discrete Fourier transform (DFT) in order to acquire the characteristic variables of the signal.
数模转换器(DAC)将离散的二进制数字信号转换成与该数字信号成正比的模拟信号。
Digital to analog converter (DAC) can convert a discrete binary signal into an analog signal directly proportional to the value of the binary signal.
结合高速的数字信号处理芯片dsp，对控制算法进行离散化处理、运算。
The high speed signal process chip DSP also introduced in the system, in order to process the data of the control methods.
一段时间后，人们意识到模拟系统的仿真编码其实是一个作用于离散时间间隔的输入和输出样本的数字信号处理系统。
After a while it was realized that the simulation coding of the analog system was actually a DSP system that worked on samples of the input and output at discrete time intervals.
一段时间后，人们意识到模拟系统的仿真编码其实是一个作用于离散时间间隔的输入和输出样本的数字信号处理系统。
After a while it was realized that the simulation coding of the analog system was actually a DSP system that worked on samples of the input and output at discrete time intervals.
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