时域测量

超宽带散射信号的时域测量及处理

Time-domain measurements and processing of ultra-wideband scattering signal

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。

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 .

应用FFT实现自动微波时域测量

Automatic microwave measurement in time domain using FFT and data in frequency domain

多片ADC并行采集系统的误差时域测量与校正

Time-domain Measurement and Calibration of Mismatch Errors in Multi-chip ADC Time-interleaved Systems

UWB信号的时域测量及特性分析

The time-domain measurement and character analysis of UWB signals

紧缩场（CompactRange，CR）技术研究是天线与目标特性测量领域的重要课题。时域测量技术应用在紧缩场系统中是紧缩场技术发展过程中取得的一项重要成果。

Researching on Compact Range ( CR ) has become an important subject in the domain of antenna and RCS measurement , and time-domain measuring techniques applied to system of compact range is one of the aquired achievements .

基于chirp-z逆变换矢量网络分析仪时域测量技术

The Time - domain Measure Technique of Vector Network Analyzers base on Inverse Chirp - z Transform

本论文以电磁波传播和统计学理论为基础，采用时域测量方法和基于时域有限差分法（FDTD）的电磁仿真方法对典型室内环境的宽带无线传播特性进行了研究。

Based on the electromagnetic theory and statistical theory , the studies on broadband wireless propagation characteristics of the indoor typical scenarios are performed using the time-domain measurement method and the Finite Difference Time Domain ( FDTD ) simulation method .

裂变中子（252Cf）对裂变链（235U系统）的依存关系，它是各种频域和时域测量核信息系统反应性的基础。

The dependency relation of fission neutron ( 252Cf ) - fission chain ( 235U system ) is the foundation for reactivity measurement of nuclear information systems in frequency domain and time domain .

时域测量技术在目标特性研究中的应用

An Application of Time-domain Measurement Technique in Research of Target Characteristics

直接测频装置在时域测量中应用

Application of the direct measurement instrument in the time fields

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

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

电介质谱自动时域测量系统的组建

The Construction of an Automated Tine-Domain Measurement System in the Dielectric Spectrum

频率稳定度时域测量带宽的若干问题

Some Problems of Measurement Bandwidth in Time Domain Frequency Stability

相位噪声的时域测量及其误差分析

Phase Noise Measurement in the Time Domain and Error Analysis

通用示波器的检定方法与时域测量

The Verification Method and Measurements in Time Domain for General Purpose Oscilloscopes

材料电磁脉冲屏蔽效能的时域测量方法

Method of Measurement on Material 's Shielding Effectiveness Test in Time Domain

高性能频谱分析仪的时域测量技术及其应用

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

时域测量原理及应用

The Theory and Application of Time-domain Measurement

利用共焦显微成像系统实现磷光寿命时域测量

Phosphorescence lifetime Measurement Using Confocal Microscopy

国内在磁场时域测量方面侧重于单频磁场的测量，宽频磁场三维时域波形的测量研究少见报道。

There are few reports about measurement of magnetic field on broad band three-dimensional in time domain .

示波器作为时域测量的基本工具被工程师、研究员、维修人员广泛应用于各个领域。

As a basic measurement instrument for time-domain measuring , the Oscilloscope has been widely used in various fields .

利用变形高阶差分方差可将时域测量结果折算为频域表征。

The measurement results in the time domain can he converted into the results in the frequency domain by this new variance .

基于时域测量波形诊断干扰与开关动作的本质作用关系，对3种主导干扰模式的产生机理和耦合通道分别进行了分析和研究。

The mechanisms and coupling paths associated with three dominant modes of EMI noise are analyzed and investigated based on time domain measured waveforms .

然后利用频域和时域测量系统，测量了典型隐身目标的电磁散射特性，并与计算结果进行了对比分析。

The electromagnetic scattering characteristics of the representative targets are measured by the systems . And the calculated results and the measured results are analyzed .

网络分析仪系统是一种宽频段、多参数、并能进行实时测量的大型频域、时域测量系统。

The network analyzer is a big test system that has wide frequency band , multi-parameters , real time test capability in frequency domain and time domain .

第三章，采用时域测量方法，在电子科技大学的一个实验室内，进行了宽带无线信道测量工作。

In Chapter ⅲ, broadband radio channel measurements are performed , with the time-domain measurement method , in a lab of the University of Electronic Science and Technology .

在时域测量中，巧妙的借用游标卡尺原理，利用两种不同频率的时钟信号同时对信号时差进行精确测量，其测量精度较之传统的方法有很大的提高。

An improving measurement with the principle of the vernier caliper is presented , which uses the clock-signals with two different frequencies , and the precision is improved much .

数字存储示波器是现代电子测量技术中的重要时域测量仪器，其性能高低直接影响着我国电子科学技术的发展。

Digital storage oscilloscope is the important time-domain measurement instrument in the modern electronic measuring technology . Its performance directly affects the level of electronic science and technology in China .

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。

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 .