查询词典 digital signal processing

The article through the analysis of the various processing techniques to voice signal, in use of FFT algorithms and MATLAB language algorithms, uses MATLAB language guide orders generating graphical user interface GUI, achieves achieve real-time repeat, the plus window treatment, Butterworth filter processing and the repeat of processed voice signal and the display of spectrum analysis to voice of signals collection, functions of various window and filter characteristics analysis and display through the menus and controls of interface by the callback function for the operation; Doing them for the purposes of visibleness, audibility, visuality and intuitionistics.

本文通过对语音信号各种处理技术的分析，采用FFT 算法和MATLAB语言算法，运用MATLAB语言的GUIDE命令生成图形用户界面GUI，通过界面菜单和控件的回调函数的编写，实现对采集的语音信号进行实时回放、加窗处理、巴特沃斯滤波处理以及处理后语音的回放和频谱分析及显示，各种窗函数以及滤波函数的特性分析和显示等；达到可视、可听形象直观的目的。形成一套特色化的软件演示系统，操作简单，方便使用，形象直观，可直接用于课堂教学和实验，更一步促进上海大学的多媒体教学改革

Through the processing method basing on wavelets, implementing the removing noise about section gauss noise to colure full TV signal, we resolve the theory and practice problems in the processing of weak signal detection.

通过基于小波分析的处理方法，实现对彩色全电视信号一段被高斯白噪声干扰的降噪，解决微弱信号检测过程中遇到的理论和实践问题。

Signal processing device for providing multiple output images by processing input images of an interlaced video signal, comprising a temporal interpolator circuit (18) and a memory buffer (26, 27) connected to the temporal interpolator circuit.

一种通过处理隔行视频信号的输入图像来提供多个输出图像的信号处理装置，它包括时间内插器电路(18)和连接到该时间内插器电路的存储缓冲器(26，27)。

In signal processing, second-generation enhanced intermediate frequency sampling speed and signal processing speed and capacity.

在信号处理方面，第二代提高了中频采样速度，并加强了信号处理的速度和能力。

On the base of analyzing the structural characteristic of 8098 single chip Microcomputer, a multi-dimension signal processing system with simple structure and powerful function is developed using 8098, which not only function as signal sampling and processing, but also the calculation of inverse 6×6 matrix.

对8098单片机的结构性能进行了分析研究，并应用8098单片机研制成功一套多维信号处理系统。

Based on studies about current development of Methods of separating meiofauna, a new method is advanced in this paper. A suit of device was designed to Separate meiofauna from benthic sediments sample automatically, accurately and efficiently, which based on the technology of Laser-induced Fluorescence Detection, and used other technologies, such as noctilucence, electronics, biophysics, computer, mechanism, and so on. The scheme of macrocosm, the design of light route, the hardware and software design of the photoelectricity detection system and machine control system, the method of signal processing are introduced, especially the hardware and software design and the method of signal processing.

论文分析了目前国内外所使用的小型底栖生物分离方法现状，并以此为基础，自主开发了一套基于激光诱导荧光技术，并且集荧光化学技术、电子物理技术、光电测量技术、计算机技术及机械技术为一体的小型底栖生物标本自动分离系统，实现了从沉积物样品中自动分离小型底栖生物标本，从而大幅度提高室内小型底栖生物分样的工作效率和精度的目的，并以此完成了大洋协会"十五"攻关项目："小型底栖生物标本自动分离系统研制"。

We researched the pre-processing algorithm of mapping signal: A comb filter was designed according to the property of the electromagnetic environment in operation room and the spectrum of EPM signal The Zero-Phase property has been achieved by using bi-direction IIR filter during off-line data processing.

研究了心外膜标测信号预处理算法：针对在手术室环境下电磁干扰强的特点和除极信号频谱分析的结果，设计了梳状数字滤波器，利用数据离线分析的特点进行双向IIR滤波，在减少计算量的同时实现了零相位特性。

Orbit train detection, train orbit before the signal, information processing system will be collected signal processing, the corresponding train sentence parking orbit.

详细说明：列车入轨检测，列车入轨前发出信号，信息处理系统将采集信号处理，判决列车进入相应轨道停车。

The technical ofblind signal separation is mainly discussed in this dissertation: including the theory and themethod. Then a multi-sensor intelligent data processing system is established to solve theproblem involved above. And this is belong to the pels fusion and the characteristic fusion ofinformation fusion. The research content and contributions of the author are summarized asfollows:(1) The pre-processing procedure of blind signal separation is mainly discussed in this chapter.

本文主要研究了信号盲分离技术的理论与方法，并在此基础上研究了一个多传感器数据智能处理系统用于解决多传感器信息融合系统中当传感器观测信号为实际目标信号的混合信号时，如何从观测信号中提取目标源信号的问题，它属于信息融合功能层次中的像素级融合和特征级融合。

Array signal processing is one of the most important branches of radar signal processing, and has been developed for many years.

阵列信号处理是雷达信号处理的一个重要的组成部分，目前已经有了很多年的发展。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。