time domain processing

Signal analysis results show that acoustic emission signal is difficult to extract features from only purely time domain or frequency domain processing.

分析结果表明：声发射信号难以从单纯的时域或频域进行数据处理提取到特征。

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Time and frequency analysis on the separated signals is then conducted using Matlab toolboxes for time and frequency domain processing to extract diagnostic information, through which the expected signal is recognized, and characteristics of interference signals extracted.

然后使用Matlab中的时频工具箱，根据分离出的信号进行时频分析，提取信号中所包含的特征信息，达到能够识别出期望信号，并能提取其余干扰信号的特征。

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The main idea is to change the time domain channel estimation into time delay domain processing, and a bank of particle filters is utilized, thus the sampling dimensionality is much small for each particle filters.

主要思想是利用一组粒子滤波在时延域分别估计多径延迟分量，由此降低了单个粒子滤波的采样空间维数，为粒子滤波在高维信号中的估计提供了一种思路。

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A time domain processing mode spread spectrum system is presented.

提出了SAW存储相关器时域处理模式扩频系统；

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We classify these existing channel estimation algorithms into two categories: frequency domain processing methods and time domain processing methods, and make detailed analysis and comparison between them.

我们将基于频域导频的信道估计算法分为频域估计算法和时域估计算法两类，对它们各自的技术优点和缺陷进行了分析和比较。

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A novel digital detector is introduced into this architecture. With this universal open architecture, full analysis band, user defined real-time multi-domain analysis and high-precision dynamic parameters measurement can be realized at fast speed by reloading different processing algorithms into hardware on-line. 2.

在该架构中引入数字检波算法，通过硬件在线加载不同的测试分析算法，快速实现全频段、用户自定义的宽带通信信号实时多域分析和高精度动态性能指标测试。

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It improved the signal to noise ratio and data precision by the ways of time domain average processing and adding index window before model analysis.

在模态分析前，通过时域平均处理及加指数窗等方法来提高信噪比和数据精度。

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Space-time processing technique combines time domain signal processing and spatial signal processing. It can utilize fully the space-time channel characteristic, repair limits of the time domain signal processing and spatial signal processing, and enhance the system capability, overlay area and transmission rate.

空时处理技术联合时域和空域信号处理技术，充分利用无线信道的空时结构特征，弥补了时域信号处理和空域信号处理二者的局限，能够提高无线通信系统的容量、覆盖范围和传输速率。

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In this dissertation, we take range time domain pulse coherence to simulate the distributed target's raw echoed data and make rough imaging processing to the raw echoed data.

本文采用距离时域脉冲相干法模拟得到了星载SAR分布目标回波数据，并对得到的回波数据进行了粗略的成像处理；

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Indirect discrete methods require first frequency-domain matching in a continuous time domain, then discrete processing to the matched S-function.

间接离散方法需要先在连续时间域内进行频域匹配，然后再对匹配的S函数进行离散化处理。

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It also points out the acquisition methods of radar signals in time domain of circular scan and the spectrum properties, and introduces the collecting-processing procedure for radar signals of moving targets with high speed to estimate the intention and threat of the target carrier.

指出了圆周扫描搜索雷达信号时域上的截获方法及其频域上的频谱特征，同时还指出了对高速运动目标雷达信号的采集－处理过程，以判断其载体的运动动机和威胁程度。

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Referring to the characteristic of the television image, multi frame interfusion processing draws the motion information from the image in time series, constructs the restoration filter, and restores images by the reversal filtering in the frequency domain.

针对电视摄像的特点，多帧融合处理技术从图像时间序列中提取景物的运动信息，构造复原滤波器，通过频率域反转滤波方式复原模糊图像。

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With the progress of science and technology, pulse compression processing systems are developed to all-digital systems from analogue or digital-analogue ones. Digital pulse compression processing can be divided into pulse compression processing in time domain and pulse compression processing in frequency domain.

随着科学技术的进步，脉压处理系统从模拟式、数模结合式发展到全数字式，而数字脉压处理又可分为时域脉压处理和频域脉压处理。

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Methods based on the time domain and frequency domain processing are used to finish the feature extraction of broken signals.

利用时域与频域相结合的处理算法实现断丝的特征提取。

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Noise data processing in time domain calibration of seismometer

地震计时域标定的噪声数据处理

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Digital pulse compression processing can be divided into pulse compression processing in time domain and pulse compression processing in frequency domain.

数字脉压处理一般分为时域脉压处理和频域脉压处理。

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