讨论了频率稳定度时域测量带宽如何选择的问题。
The selection of measurement bandwidth in time domain frequency stability is discussed.
某些毫秒级以上的频率变化，只有时域测量才能实现。
It can be classified into two methods of measurements: the time domain measurement and the frequency domain measurement.
文中提出了一种采用时域测量技术的双绞线测试系统方案。
In this paper, a twisted - pair cable testing system with the time-domain measurement technology is presented.
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.
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.
调制域分析已经成为现代测试技术不可或缺的部分，在显现频率变化信号时优于时域测量和频域测量。
Modulation domain analysis has become an important part for modern measurement technology. It is better than time domain and frequency domain measurement when indicating frequency variable signal.
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.
探头误差分析和修正是时域近场测量中的关键技术。
Probe errors analysis and correction are the key technique in time domain near field measurement.
不先观察时域响应就随意使用指数窗作为测量过程的第一个步骤是不推荐的。
The arbitrary use of the exponential window without first looking at the time response is not recommended as the first step in the measurement process.
最后还讨论了时域法测量电极阻抗的激励信号的选择、测量频率上、下极限和噪声影响等问题。
The problems about the selection of excitation signal, limits of measurement frequency and noise influence have been discussed.
文章首次利用太赫兹时域光谱技术测量了一氧化碳气体在0．2～2．5太赫兹频谱范围内的吸收光谱。
This paper presents the absorption spectra of carbon monoxide measured by terahertz time-domain spectroscopy in the frequency range between 0. 2 and 2. 5 THz.
在负重轮轮轴处安装加速度传感器，通过测量该处的时域加速度来间接计算路面功率谱，大大简化了操作过程。
Fixing the acceleration sensor in the axis of the wheel, by measuring the acceleration of the axe to calculate road power spectral indirectly, this greatly simplifies the operation process.
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。
This paper describes a new method which USES IDFT (Inverse Discrete Fourier Transform) technique to do time domain near field measurement for antenna.
提出了一种基于时域加权的新的非叠代优化算法，用于重构经过采样示波器测量的阶跃信号、脉冲信号等。
A new non-iterative algorithm with time-domain weighting is described for reconstructing fast, step-like, or impulsive signals that have been measured with a sampling oscilloscope.
音频分析被广泛用于测量各类音频系统的时域特性、频域特性及失真特性等。
Audio analysis is widely used to measure time domain, frequency domain and distortion characteristics of various audio system.
针对建立室内信道测量系统的需要，总结了信道测量的各类方法，提出了室内信道时域和频域测量的完整的系统方案。
The methods of channel measurement were overviewed and the complete schemes in time domain and frequency domain were proposed for establishing measurement system for indoor channels.
时域波形再现技术可以把在原有模型车上测量到的轮轴载荷(力和力矩)转换为轮轴位移。
Time waveform replication technology can convert measured spindle loads (force and torque) from an earlier model vehicle into spindle displacements.
本文主要就新型天线测量技术——时域近场测量技术的几个关键性技术进行了研究。
Some key techniques of a new antenna measurement technique, time-domain near-field antenna measurement technique, are presented in this paper.
本文的实验研究利用了时域瞬态场测量系统- UWB - MCE。
UWB time domain transient field measurement system, UWB-MCE, is used in the imaging experiments.
这一方法的测量精度远优于其它方法，并可适用于一切具有分立谱线的时域变量的测量。
This method, with superior measurement precision, is applicable to the measurement of time domain variable with discrete spectral lines.
研究了根据时域内离散的重复重力测量数据获取连续重力变化的方法。
The methods of gaining continuous gravity changes with discrete repeated gravity observation data in time domain are studied.
时间延迟谱技术(TDS)是一项较新的测量技术，它可以用于测量电声系统的复频响应和复时域响应。
Time Delay Spectrometry (TDS) is a new measuring technique which can be used to measure the complex frequency response and the complex time domain response of the audio system.
波形分析仪是最重要的信号测量仪器之一，可以对信号时域特性、频域特性以及相关特性作高精度分析。
Waveform analyzer is one of the most important signal measuring instruments, which can accurately analyze the characteristics of the signal in time-domain and frequency-domain.
文章提出了一种用弹膜片和微弯调制机构进行压力传感，用光时域反射探测(OTDR)技术进行测量的分布式光纤压力传感方法。
The paper puts forward a sort of pressure sensor made of stretch film piece and slightly bend concoct construct, which USES OTDR distributing optical fiber pressure sensor.
根据时域反射技术原理，研制了测量土壤含水率的一种新型传感器。
According to the principles of time domain reflectometry, a new kind of sensor of soil water content measurement is explored.
介绍了时域频率稳定性常用的测量方法，并重点介绍了利用调制域分析仪实现时域频率稳定性的测量方法。
This paper indicates the normal testing methods of time domain frequency stability, and focal points out the testing methods of time domain frequency stability with modulation domain analysis.
光时域反射计非光纤通信必出无否长的的测量仪器。
Optical Time Domain Reflectometer is a measuring instrument that is essential for optical fiber communication.
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。
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.
该算法通过对时域信号加合适的窗函数，并在频域采用相应的内插算法，可以有效地减小测量过程中信号的频谱泄漏，得到精确的测量结果。
The accuracy measurement of the signal can be achieved with a suitable windowing operation in time domain and an interpolation algorithm in frequency domain.
该算法通过对时域信号加合适的窗函数，并在频域采用相应的内插算法，可以有效地减小测量过程中信号的频谱泄漏，得到精确的测量结果。
The accuracy measurement of the signal can be achieved with a suitable windowing operation in time domain and an interpolation algorithm in frequency domain.
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