采样信号

采样信号的数字滤波设计和DSP实现

Design and implementation of digital filter for sampled signal based on DSP

然后利用DSP（TMS320F206）对采样信号进行分析处理，提取出抽油杆的特征信息；

Secondly I make use of the characteristic information of the DSP ( the TMS320F206 ) to analyse and deal with the sampled signal , and distill the diagnostic signal of the sucker rod .

利用DSP软件实现对采样信号进行处理，实现了数字式平均算法。

Making use of DSP programme to realize and process the sampling signal , digital and average algorithm is implemented .

基于Radon模糊图变换的数字采样信号快速调频参数估计

Fast Estimation Algorithm of Frequency Modulation Parameters of Digital Sampling Signals via Radon-ambiguity Transform

本文根据通常的DFT处理，研究出一种适用于不等间隔采样信号处理的方法。

A method for processing unequally spaced samples , derived from conventional DFT , is presented .

为进一步提高物流控制系统流量的计量精度，采用加权滤波算法对采样信号进行了处理，同时设计了基于蚁群算法的流量PID控制器，实现流量的闭环控制与PID控制参数的自整定。

While weighted filtering Algorithm and Ant Colony Algorithm were used with PID control system in sampling signal processing , material flow control and other aspects .

基于BAM网络和多重信号分类法的欠采样信号频谱分析

Frequency Analysis of Signal With sub-Sampling Based on BAM and MUSIC Algorithms

采用快速傅立叶变换（FFT）进行电力系统谐波分析时，需要对采样信号截断并离散化，从而导致频谱泄漏和栅栏效应。

Fast Fourier Transform ( FFT ) is inevitable to cause the spectrum leakage and fence effect because of truncation and discreteness in signal collection .

研究了IP网络视频会议系统中视频子系统设计中的采样信号前处理、视频编解码与数据包传输等问题。

Several problems of video encoding and decoding subsystem design in IP network video conference system , such as sampling signal preprocessing , video coding and decoding , packet transmission , are presented .

非均匀采样信号重构技术及其在PD雷达HPRF信号处理中的应用

Reconstruction Techniques of Signals Nonuniformly Sampled and Its Application to PD Radar Signal Processing in HPRF

最后提出一种基于LMS算法的自适应滤波器，对A/D采样信号进行前端滤波去噪。

Finally , the adaptive filer based on the LMS algorithm is designed to filer the noise of A / D sampling signal .

本系统采用了AT91RM9200作为主控芯片，并实时将采样信号传输到PC工作站，供PC工作站分析。

It uses AT91RM9200 as its main control chip , and transmits vibration signal to the PC work station which analyses the signal in real time .

整个大型变压器保护系统以DSP为内核，采样信号经DSP判断处理后经过光电隔离输出给保护设备，后台软件控制保护设备动作，从而实现对大型变压器的保护。

Taking DSP as the inside core , backstage software control the act of the protection equipments by the sampling signal which flows from DSP to photoelectrical insulation . Thus the large transformer protection achieves .

然后使用具有良好局部时频分析特性的小波分析提取采样信号的时频联合特征，最大程度的表示信号的主要信息，同时采用PCA对小波数据进行降维。

Then we use wavelet analysis technology which has better characteristics in time-frequency domain to acquire wavelet features of sample signals . Wavelet features can express the mainly information furthest .

系统利用Delphi语言底层编程技术，采用PCL系列板卡模拟EEC检测需要的发动机传感器、电磁活门信号，根据采样信号判断EEC通道状态。

It utilizes Delphi programming technology and PCL series buses to analog engine sensor signals and electromagnetic valve signals , judging EEC station by sampling signals .

该方法将CCD驱动器的输出经分压整形处理后作为双采样信号的时序基准，从而使双采样信号具备自适应跟踪能力；

By proposed method , the output of CCD driver was divided and was taken as a benchmark for the CDS signals , so that CDS signals can be used to track the driving signal adaptively .

重构的关键在于将非均匀采样信号分解为几个均匀采样信号的叠加，从而使得在非均匀采样时应用Shannon采样定理成为可能。

The key of the reconstruction is to substitute the non-uniformity sampling signal for the superposition of several uniformity sampling signals , which make it possible using Shannon theorem .

利用C++Builder语言完成了应用程序模块、信号采集模块和端口操作模块的编写，通过调用MATLAB引擎，实现了对采样信号的傅里叶分析和图形绘制功能。

In this system ,( C + + ) Builder is used to complete the application programming , the signal collecting and the interface operating module , MATLAB engine is invoked to realize the spectral analyses module about the stator current signal and the drawing function .

该方法利用互谱ESPRIT算法和余数定理对欠采样信号进行解模糊，在低信噪比情况下仍能较精确地估计超宽带线性调频信号的调制斜率和初始频率。

Based on the cross-spectra ESPRIT algorithm and remainder theorem , the modulation rate and initial frequency of the subsampling ultra-wideband LFM signal are estimated unambiguously and precisely even in low SNR .

本文首先得到了均匀冲激串采样信号的FRFT，然后在此基础上导出了FRFT域上带通信号和低通信号的采样定理和重构公式。

In this paper , we first obtain the FRFT of the uniform impulse-train sampled signals , and based on it , we deduce sampling theorem and reconstruction formula for bandpass and lowpass signals with FRFT .

最后用软件实现对采样信号的离散傅里叶变换（DFT），在频域中提取反映不平衡量信息的转子振动位移信号的幅值和相位。

After analog-digital conversion of the radial displacement signal , the Discrete Fourier Transform ( DFT ) arithmetic for the radial displacement signal is implemented . In the end , the amplitude and phase of radial displacement signal of rotor vibration can be obtained in frequency domain .

本文依据Gibbs现象的实质，讨论了信号频谱分析中的理想滤波特性、频窗特性、限带白噪声的自相关函数、时域截断的泄漏效应、时窗特性以及离散采样信号的复原等问题。

Based on the essence of the Gibbs phenomenon , the ideal filtering characteristics , the time window characteristics , the spectral window characteristics , the autocorrelation function of band-limited white noise , the leakage effect and the restoration of discrete sampling signal in signal spectrum analysis are discussed .

电机交流采样信号数字滤波的分析

An Analysis of Numeric Filter Wave in Motor Alternating Signal Sampling

基于小波变换的非均匀采样信号频谱的研究

Study on Spectrum of Nonuniform Sampling Signals Based on Wavelet Transform

轨道不平顺非均匀采样信号谱分析

Spectrum Analysis of Non - uniformly Sampling Signal of Track Irregularities

自检模式检测硬件故障、监视采样信号。

Self-inspection mode checks hardware faults , supervises sampling signals .

有限长度采样信号内插的一种有效方法

An Effective Method for Interpolation of Finite Length Sampled Signals

基于小波分析的电力参数交流采样信号去噪方法

Method of Wavelet Transform De-noising in AC Sampling of Power System Parameters

二阶非均匀带通采样信号的快速恢复

Second-order nonuniform sampling for the fast recovery of bandpass signal

该算法对某些特定采样信号的分析和处理有重要意义。

This algorithm is important for some sampling signals analysis and processing .