What follows is a case study of an actual application a discrete Fourier transform ( DFT) showing the performance improvements that result when compiling with various compiler options. 接下来的部分是一个实际程序的范例一个离散的Fourier转变(DFT)显示了在汇编不同汇编器选项时的改善结果。
Fast Fourier Transform ( FFT) is a kind of fast computation method of Discrete Fourier Transform ( DFT). 快速傅里叶变换(FFT)是离散傅里叶变换(DFT)的快速算法。
Its simple realization using discrete Fourier transform ( DFT) is also discussed. 用离散傅里叶变换实现DMT,简化了其实现的复杂性;
This paper proposed a new method to estimate voltage flicker using the discrete Fourier transform ( DFT). 本文提出一种基于离散傅里叶变换(DFT)估计电压闪变的新方法。
The Digital Filter Design Based on Discrete Fourier Transform 基于傅立叶变换的数字滤波器的设计
A simplified frequency-domain implementation method for the transceiver of discrete Fourier transform spread generalized multi-carrier systems 基于离散傅立叶变换扩频的广义多载波系统收发机频域简化实现方法
The paper presents a method of motion curve frequency domain filtering in Omni-directional M-mode echocardiography images based on Discrete Fourier Transform ( DFT). 介绍一种基于离散傅里叶变换(DFT)的全方向M型超声心动图运动曲线频域滤波技术。
This paper introduces an analyzing method for evaluating the color even degree on the tile surface in two dimensional frequency domain, that is by adopting two dimensional discrete fourier transform. 本文对采集的瓷砖图像采用二维离散傅利叶变换对瓷砖颜色分布均匀度在二维频域范围内进行分析,提出了一种瓷砖颜色匀度的评判方法。
This paper introduces an affective algorithm in which we make use of the Fourier transform to find out the Discrete Fourier Transform, and to explain the usage of this algorithm by examples. 本文介绍一种计算离散付里叶变换的新算法,并通过例子说明这种算法的实用性。
Character matrix of finite group and discrete Fourier transform 有限群的特征标矩阵与离散傅里叶变换
For a given sequence, discrete Fourier transform ( DFT) transforms it in to the frequency domain through grouping spectral line, the decomposition is to be implemented. 在传输突发包前插入一段已知的训练序列,接收端将信号进行差分、求相位后,对其进行离散傅里叶变换(DFT)。
Fast Discrete Fourier Transform Algorithm Using High Order Approximation to Kernel Function 一种基于高阶近似核DFT的快速实现算法
Measurement of dielectric loss based on discrete Fourier transform spectrum correcting algorithms 基于DFT频域校正的介质损耗角测量算法
Analysis on Allpass System Function of Warped Discrete Fourier Transform 弯折离散傅里叶变换的全通系统函数分析
Analysis on errors of discrete fourier transform ( DFT) in case of signal frequency drifting from designed value 成分(偏差)变送器采样信号频率偏离设计值情况下离散傅立叶变换的误差分析
A novel class of layered feedforward neural network models for function approximation was proposed based on the principle of multi-dimensional discrete Fourier transform. 利用多维离散傅立叶变换原理构造新颖的神经网络模型用于函数逼近,网络结构为分层前向网络。
Discrete fourier transform ( DFT) is the basic method for measuring the phasor of power system in real-time. 离散傅里叶(DFT)算法是电网实时运行系统中进行相量测量的基本算法。
Discrete fourier transform ( DFT) was introduced into the spatial domain signal processing to analyse and process the uniformly spaced linear array signals, and a method to extract the DOA of signal was presented. 将离散傅里叶变换(DFT)引入到空域信号处理中,对等距线阵接收的信号进行了分析和处理,提出了一种提取信号来波方向的方法。
Some interpolated Discrete Fourier Transform ( DFT) methods are analyzed. 本文首先讨论并分析了各种插值DFT(离散傅里叶变换)算法,然后提出了一种实正弦信号的快速插值频率估计方法。
Discrete Fourier Transform ( DFT) method and process used to design SAW filter are described. 本文叙述了离散富里叶变换和用它来设计SAW滤波器的步骤。
According to time domain sample theory and frequency domain sample theory, the figure changes from time domain to frequency domain were used to illustrate the process of DFT ( Discrete Fourier Transform) and its physical meaning. 根据时域和频域抽样定理,从时域和频域的图形变换角度证明了DFT物理意义,并结合图形推导了其定义式。
The design and implementation of a harmonic current computation technique is presented, which is used in active power filter based on a simplified discrete Fourier transform. 介绍了一种在有源滤波控制器应用中基于简化离散傅里叶变换的谐波电流检测技术的设计和应用。
Study of Digital Signal Processing Based on Discrete Fourier Transform and Wavelet Transform and Their Application in Modern Instrumentation Platform 基于DFT和小波变换的数字信号分析的研究及其在现代仪器平台中的应用
Study two of the most important basic operations in digital image processing: 2-D Discrete Fourier Transform and 2-D Discrete Convolution Transform. Map them on RCA. 研究了数字图像处理中两种最常用的算子&离散二维傅立叶变换和离散二维卷积,并给出了它们在RCA上的映射策略和映射过程。
A split radix fast algorithm is presented for shift discrete Fourier transform ( SDFT). 提出了一种计算移位离散傅里叶变换(SDFT)的分裂基快速算法。
The contradiction of frequency resolving power and the number samples by discrete Fourier Transform is analyzed and relieved. 分析并缓解了由于离散富里叶变换带来的频率分辨率与样本点数之间的矛盾;
At the same time, this paper introduces a fast measuring frequency method using spline cubic interpolation based on discrete Fourier transform ( DFT) and gives the result of simulation. 同时,针征对信号处理中对高速测频的要求,介绍了一种基于离散傅立叶变换(DFT)的三次样条插值快速测频方法并进行了仿真。
Mainly analyze the algorithm based on the Discrete Fourier Transform. 重点分析了基于离散傅里叶变换的干扰抑制算法。
In numerous synchronizing algorithms, this paper analyzed the measurement algorithms which based on the discrete Fourier transform theory. 在众多同期算法中,本文对基于离散傅里叶变换理论的同期电参量测量算法进行了分析。
In this paper, we present two improved discrete Fourier transform algorithms of spectrum sensing for sparse signal analysis and give a method of information fusion with multiple sets of samples. 本文针对稀疏信号,提出了频谱检测的两个改进离散傅里叶变换算法,并且给出了多个样本集合的信息融合方法。