time domain

Optical Time Domain Reflectometer ( OTDR) is an important test equipment used widely in optical fiber communication system for measuring the physical properties of optical fiber including the length, the attenuation coefficient, the connection loss.

光时域反射仪（OTDR）是光纤通信系统中常用的测试仪器，它能够测量光纤的长度、衰减系数、接头损耗等物理特性，而且能够对光纤中接头、断点等事件进行精确定位。

互联网摘选

The principle of Brillouin optical time domain reflectometer ( BOTDR) is introduced and its application to the strain monitoring of the strain distribution of the reinforced concrete beam is studied.

介绍了布里渊光时域反射计（BOTDR）的分布式光纤应变测量原理，并应用BOTDR技术对钢筋混凝土T型梁加载后的应变分布进行了测量。

互联网摘选

Noise data processing in time domain calibration of seismometer

地震计时域标定的噪声数据处理

互联网摘选

This paper introduces firstly the algorithm for Synthetic Aperture Radar ( SAR ) range imaging in time-domain compression.

首先介绍了 SAR 时域压缩距离成像算法,同时研究了匹配滤波成像算法.

互联网摘选

The electrically driven single-cell photonic crystal microcavity laser is studied with three-dimensional finite-difference time-domain.

将三维并行时域有限差分方法用于电激励光子晶体单缺陷激光腔研究,给出了微腔的本征模式分布.

互联网摘选

Time domain simulation of tire cornering properties is an important part of dynamic tire analysis.

轮胎侧偏特性的时域仿真是轮胎动特性的一个重要组成部分，所建模型可用于轮胎和车辆动特性的试验模拟和仿真研究。

互联网摘选

The basic method applies Langrange interpolation techniques in time-domain to implement a secrecy fragmentation-reconstruction scheme.

基本方法是在时域上应用拉格朗日插值技术实现秘密分割 - 重构方案.

互联网摘选

Methods: The study group comprised 70 patients with chronic CHF, the control group involved 162 patients with compensatory heart function secondary to cardiovascular diseases. All patients underwent 24 h ambulatory electrocardiogram, time domain indices of HRV and VA were analysed.

方法：用24小时动态心电图监测分析70例心衰患者（心衰组）和162例心功能代偿的心血管病患者（对照组）的HRV时域指标及室性心律失常。

互联网摘选

The time domain model of vehicle road is the key component of road database.

汽车道路时域模型是基础性道路数据库的主体部分.

网络文摘精选

The ICO, modulator, transmitter, PLL, time-domain filter in the modem are also deeply discussed.

本文还对调制解调电路中的ICO 、 调制器 、 发送器 、 PLL 、 时域滤波器作了细致探讨.

互联网摘选

When time domain solutions are required, the Laplace transform method is straightforward.

当需要时域解时, 拉氏变换方法也是很直接的.

网络文摘精选

The paper introduced a kind of time domain model for harmonic analysis of arc furnace.

文章介绍了一种用于电弧炉谐波分析的时域模型.

互联网摘选

AMI generated code, and for its power spectral density and time-domain waveform.

产生AMI码, 并求其功率谱密度和时域波形.

互联网摘选

Validity and feasibility of the finite difference time domain method is demonstrated by the echo-wave signal of a flat bottom hole block.

通过与平底孔试块实际缺陷回波信号的对比，验证了脉冲超声波有限差分法模拟计算的有效性和正确性。

互联网摘选

Application of Time Domain Electromagnetic Prospecting Technology in the Leading Survey of Confined Area with Ordovician Limestone

瞬变电磁勘探技术在奥灰承压区超前探测中的应用

互联网摘选

The multidomain Chebyshev pseudospectral time-domain ( MCPSTD ) algorithm is deeply discussed.

深入讨论了 多区域 切比雪夫伪谱时域算法.

互联网摘选

Brillouin optical time domain reflectometer ( BOTDR) is a type of distributed optical fiber sensing technology, which is based on spontaneous Brillouin scattering.

基于自发布里渊散射的布里渊光时域反射计（BOTDR）是一种分布式光纤传感技术。

互联网摘选

The output signal characteristics of optical time domain reflectometer ( OTDR) are deduced and analyzed by optimizing the structure parameters of the two rings cavity lengths and coupling ratios.

通过计算机仿真，给出了用光时域反射计（OTDR）探测到的光纤转动传感器输出信号的特性，利用优化的环长和分光比两结构参量，分析了模拟结果。

互联网摘选

Thus the research on dielectric antenna in time-domain is very significant.

因而研究介质杆天线作时域天线是很有意义的.

互联网摘选

The dynamic load is expressed as a series of impulse or step functions in time domain, and the structural response is the convolution integral of the kernel response and dynamic load.

将动态载荷在时间域内用一系列脉冲或阶跃核函数来表示，结构的响应是核函数引起的响应与动态载荷的卷积分。

互联网摘选

This method is easier to numerate implementation than the traditional time domain method of moment.

与传统求解时域电场积分方程的时域矩量法相比,该方法易于数值实现.

互联网摘选

Time domain methods are popular and efficient in computational electromagnetics.

时域数值方法是计算电磁学领域的研究热点和常用方法.

互联网摘选

Analysis of Conical Horn with Multi-Sector Dielectric Lens Excited by Circular Waveguide TM_ ( 01) Mode in Time Domain

圆波导TM（01）模激励加多扇区介质透镜圆锥喇叭的时域分析

互联网摘选

It present a full wave analysis of a new kind of transmission line the micro strip loaded inset dielectric guide ( M IDG). The model in time domain is established firstly and the characteristics of it are analyzed by FDTD method.

对一种新型传输线&微带加载插入介质波导（M-IDG）进行全波分析，首先建立了时域模型，用时域有限差分（FDTD）法分析其基本特性；

互联网摘选

The GSC is the most popular method in time domain.

宽带旁瓣对消器是最常用的一种时域宽带波束形成方法.

互联网摘选

Two kinds of novel distributed fiber optic sensing technique, i.e., Fiber Bragg Grating ( FBG) and Brillouin Optical Time Domain Reflectometer ( BOTDR), are introduced in this paper.

介绍了两类先进的分布式光纤传感器技术，即光纤光栅（FBG）和布里渊光时域反射计（BOTDR）；

互联网摘选

Vector Network Analyzer , as well as time-domain function and application of the advantages of the area.

以及矢量时域功能的优点及应用领域.

互联网摘选

Parametric Autoregressive ( AR ) model is the traditional time-domain EMG signal analyzing method.

自回归( AR ) 参数模型是传统的肌电信号时域分析方法.

互联网摘选

Time domain method of aerodynamic instability on large-span roof structures with cables and membranes

大跨索膜结构空气动力失稳的时程分析法

互联网摘选

This paper is concerned with the transient responses of semisphere containment structure of nuclear reactor to a blast wave by the boundary element method in time domain.

本文用时域边界积分方程提出研究半球形核反应堆安全壳在爆炸冲击波作用下动力响应分析的计算模型。

互联网摘选