time domain measurement

Digital oscilloscope is a sort of measuring instruments widely used in radio measurement, which is irreplaceable in time domain measurement.

数字示波器是无线电测量领域中应用及其广泛的一种测量仪器。

A new approach for time domain flow field measurement by tracking speckle in ultrasound harmonic images of flow following injection of a bolus of the contrast agent is described.

本文研究了基于超声造影剂的血流运动场估计与显示技术，通过在血液中注入超声造影剂作为示踪粒子，对造影谐波图像进行时域相关处理，可得到成像部位的二维流场分布图。

Effect of soil bulk electrical conductivity on time domain reflectometry measurement of soil water content

土壤电导率对时域反射仪测定土壤水分的影响

This paper analyzes the principle of time domain measurement function of high per-formance spectrum analyzer and its use in Amplitude modulation ( AM), Frequency modulation ( FM) and pulse modulation test.

本文分析了高性能频谱分析仪时域测量功能的原理，并给出其时域测量功能在调幅、调频、脉冲调制测试中的应用。

The problems of a missile attitude control system encountered in frequency domain dynamic measurement and the time domain measurement results are analyzed. The testing model of attitude control system is established, and the fast dynamic testing method in time domain is studied.

分析了某型导弹姿态控制系统频域动态测试遇到的问题及时域测试结果，建立了姿态控制系统测试模型，并研究了其在时域内的快速动态测试方法。

Applications of Time Domain Method in Measurement of Material Parameters

时域方法在低频介电材料参数测量中的应用

Research on Time Domain Parameter Measurement Based on Neural Network and Chaos and Application in Digital Oscilloscope

基于混沌和神经网络的时域参数测试研究及其在示波器中的应用

This paper describes a new method which uses IDFT ( Inverse Discrete Fourier Transform) technique to do time domain near field measurement for antenna.

本文提出了一种利用离散付立叶反变换（IDFT）技术完成天线的时域近场测量的方法。

A UWB time domain transient field measurement system, UWB-MCE, is used in the imaging experiments.

本文的实验研究利用了时域瞬态场测量系统-UWB-MCE。

Application of Time Domain Measurement in Measuring Multi-discontinuity of Transmission Line

应用时域反射法测量传输线多点不连续性

Probe errors analysis and correction are the key technique in time domain near field measurement.

探头误差分析和修正是时域近场测量中的关键技术。

Application of the time domain reflection measurement in the network feature testing

时域反射测量技术在网络故障检测中的应用

Sampling plane truncation error is a very important factor of affecting the result in time domain near field measurement.

采样面截断误差是影响近场测试结果的一个很重要的因素。

In time domain measurement of the electromagnetic constants of materials, the measured waveforms need to be analyzed by FFT in order to obtain the spectrum of dielectric constant.

在时域测量时，需要通过FFT才能求得介电常数的频谱特性，而实际测得的波形往往存在多次反射，给求取一个纯净的反射波进行频谱分析带来不便。

The Technology and Application of Time Domain Measurement of High Performance Spectrum Analyzer

高性能频谱分析仪的时域测量技术及其应用

Time-domain Measurement of Permittivity of Concrete Materials by Wavelet Modeling

小波建模法在混凝土材料介电常数时域测量中的应用研究

The paper put forward test method and design technologies of TDR ( Time Domain Reflectometry) measurement, frequency response measurement, noise measurement, etc.

对TDR时域反射测量、频响测量和噪声测量等功能，给出关键的测试方法和设计技术。

Design of Time Domain Reflectometry with Temperature Measurement Circuit and Temperature Correction

带温度测试模块的TDR测试系统研制及温度校准