Basic theory of spectrum analysis and Fast Fourier Transform (FFT) algorithm are briefly introduced.
简介了频谱分析的基础理论和快速傅利叶变换(FFT)算法。
A way of digital phase detector applied to the laser phase distance measurement system is introduced in this paper, which is based on DSPs and FFT algorithm.
本文介绍了应用于激光相位式测距中的一种数字相位计的实现方法,该方法是基于DSP器件运用FFT算法完成的。
HITDSO package is provided in this paper, it can get the above specifications and display the graphics and values by using the acquiring data and efficient FFT algorithm.
本文提供的HITDSO软件包,直接根据DSO采集的数据,利用FFT的高效算法,得到DSO的上述几项性能指标,并进行图形及数值显示。
According to the basic principles of FFT algorithm, this paper analyzes each instance of start time values sampled in harmonic measuring and the data obtained from anytime start sampling.
根据FFT算法的基本原理,对谐波检测中采样起始时刻取不同值的各种情况进行分析,并对任意时刻开始采样得到起始点的数据情况进行分析。
Harmonic analysis usually adopts FFT algorithm, the 280 Sample points need interpolation management, which make FFT faster.
谐波分析通常采用FFT算法,为了加快FFT的运算速度,需要对280个采样点进行插值处理。
Aimed at the less detection precision and the more errors arising from the common electric parameter detecting method, this paper proposes a synchronous sampling method and radix 2 FFT algorithm.
针对普通电参数检测方法检测精度低、误差大的缺点,提出了一种同步采样法和基2FFT算法。
Based on the integer period sample FFT algorithm, a lowest total harmonic distortion (THD) method for determining the base period is proposed in this paper, and the derivation is theoretically given.
在整周期采样的FFT算法的基础上,提出了确定基波周期的总谐波畸变(THD)最小的方法,并作了误差分析。
This paper discusses the parallel FFT algorithm on the hypercube architecture. Based on the analysis of the communication complexity, the speedup of the algorithm is derived.
本文讨论超立方体结构上的并行fft算法,着重分析算法的通信复杂性,并在此基础上导出算法的加速比。
Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.
快速傅里叶变换(FFT)是电力系统进行谐波分析的主要算法,但当输入信号中含有衰减直流分量时,FFT算法会产生较大的误差。
Under the conditions of meeting the real time imaging and given resolution, the algorithmic speed required by the system is analyzed. And an improved FFT algorithm and its implementation are given.
在满足实时成像和一定分辨率的条件下,分析了系统对运算速度的要求,提出了一种改进的快速傅里叶算法及其实现方法。
Comparing with the ring or the mesh architecture, the parallel FFT algorithm on the hypercube is found to have better performances.
比较环和网状结构,超立方体上的并行fft算法具有更好的性能。
Mainly, FFT algorithm and full-wave Fourier algorithm are discussed. Calculation of active power and imaginary power is researched. Parameter selection of filtration and calculation of are attained.
主要就快速傅里叶变换算法、全波傅氏算法以及有功功率、无功功率的计算、滤波的参数选取、谐波的计算进行了讨论。
Rms algorithm and FFT algorithm have been achieved.
实现了均方根算法和FFT算法。
FFT algorithm is the most used algorithm for digital signal processing, and a FFT processor is one of the important means for FFT computation.
FFT算法是数字信号处理最常用算法,使用FFT处理器是进行FFT运算的重要手段之一。
The result of research shows that the best architecture of the parallel FFT algorithm is hypercube architecture.
经研究表明,并行fft算法的最佳体系结构为超立方体。
This design can use FFT algorithm to estimate power quality and expand reactive compensation in addition.
本设计可以采用FFT算法来判断电能质量,可外加扩展无功补偿。
With the Fast Fourier Transform (FFT) algorithm in software design, capacitors being switched on or off are controlled by compound criterion.
在软件设计中,以快速傅立叶变换算法(FFT)为基础,采用复合控制方法控制电容器的投切。
In calculation, FFT algorithm is used to develop the speed of computation.
计算中采用了FFT算法,提高了计算速度。
This disseration introduces the application of interpolation algorithm, averaging signals and FFT algorithm to digital oscillograph.
本文就主要介绍了数字信号处理技术中的插值算法、FFT算法、以及平均和平滑算法在数字示波器中的应用。
On the basis of traditional serial FFT algorithms, a parallel FFT algorithm based on multi-threading is put forward.
在传统的串行FFT算法基础上提出了一种基于多线程技术的并行FFT算法。
On DSP, 2000 Series fixed-point DSP FFT algorithm in greater detail, and we can share.
关于DSP的,使2000系列定点DSP的FFT算法比较详细,可以和大家分享的。
Through simple transforms of FFT algorithm, the amending algorithm can reduce satisfactorily the leakage error, and obtain accurate analysis results.
该算法通过对FFT算法做简单变换,减小了频谱泄漏误差,降低了谐波之间的相互干扰。
Aiming at the issues, the paper presents two methods, the multi-channel non-gapped sampling technique on-line and recursive FFT algorithm.
针对上述问题,本文提出了两种方法:在线多通道无缝采样分析技术和递推fft算法。
DFT method can be fast implemented on DSP platform by the use of FFT algorithm, while the method of cyclic correlation has better noise immunity performance and high estimation accuracy.
离散傅立叶变换方法能够在DSP平台上通过FFT快速实现,而循环相关方法则具有很高的频率估计精度和很好的抗噪性能。
To solve this problem, a new method of frequency offset estimation is proposed. This method adopts modulated data elimination technique and the segmental correlation FFT algorithm.
为了解决这个问题,提出了一种新的频率估计算法,采用扩频调制信息消除策略和分段相关FFT频谱分析技术实现频偏精确估计。
Based on the fast Fourier transform (FFT) algorithm, the wave-front reconstruction algorithm of Shack-Hartmann sensor is described.
提出了一种应用快速傅里叶变换算法提高哈特曼夏克波前传感器波前重构实时性的快速算法。
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.
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)。
To reduce those errors, an interpolated FFT algorithm for dielectric loss Angle measurement based on triangular self-convolution window (TSCW) is presented in this paper.
为减小这类误差,本文提出了一种基于三角自卷积窗的插值FFT介损角测量方法。
It was displayed or printed after being processed by the FFT algorithm.
测量温度值经FFT处理后送显示或打印。
It was displayed or printed after being processed by the FFT algorithm.
测量温度值经FFT处理后送显示或打印。
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