A dual frequency measurement method with variable precision was used to measure object shapes with sudden surface changes.
为准确测量物体的突变形面，通常采用一种双频变精度方法。
The testing error and the reason of error are analyzed, compared with the results received by the sweep-frequency measurement method.
将微悬臂梁和微薄膜振动特性的测量结果与频率扫描法的测试结果进行了比对，对产生的误差及误差来源进行了分析。
The elaborate error analysis of synchronous frequency measurement method is presented and some amelioration of the method based on the analysis is proposed.
对同步测频法进行了详尽的误差分析并由此对该方法做了改进。
The differences of principle and precision between frequency measurement method, cycle measure method, and equivalent precision frequency measurement method are compared.
分析、比较了测频率法、测周期法、等精度测频法等几种常用测频方法的原理及误差。
The only way your LT measurement will increase with this method is with age or frequency of exercise.
使用该方法，您的乳酸门槛测量值仅能随着年龄和运动频次的提高而提高。
The modeling measurement method is discussed, the precise phase moving is produced by using model moving, and the precise frequency is made by using the waveform synthesizing technique.
讨论了应用模型化测量方法，使用模型平移产生精确相移，使用波形重构技术精确合成周期信号的频率。
This article introduces the method of extending noise figure meter HP 8970a measurement frequency range.
本文介绍了扩展噪声系数表hp 8970a测量频率范围的方法。
This paper presents a new type of low noise frequency conversion circuit based on the research of phase noise conception, generation as well as relativity measurement method.
本文在对相位噪声的概念、产生及其相关测量方法研究的基础上，设计出一种低噪声频率变换电路。
Measurement for rotative velocity of full-closed compressor by the method of measuring vibration frequency is discussed.
讨论了用测量振动频率的方法对全封闭式压缩机进行转速的测量。
This method is based on the multi-cycle synchronization frequency measurement has higher accuracy.
该方法继承了多周期同步测频法的优点，同时提高了测量精度。
The principle and method for calibrating the frequency by means of colour subcarrier signal of broadcast TV are introduced in detail, and the corresponding measurement accuracy is given in this paper.
本文较详细介绍利用广播电视彩色付载频信号进行校频的原理和方法，并给出相应的测量精度。
This new method reduces the influence of time response of Fourier filtering on frequency measurement and improves the accuracy of transient frequency measurement.
新的算法有效地补偿了富氏滤波的时间响应对频率测量造成的影响，提高了算法的暂态测频精度。其程序和计算非常简单。
Harmonic measure method is the key of the measurement. In this paper, the harmonic measure method which based on the multiple frequency rotate transform theory is researched and analyzed.
谐波测量方法是谐波测量的核心环节，本文对基于倍频旋转变换理论的谐波测量方法进行了研究分析。
Aiming at the existing problem in harmonics measurement of power system, the paper (presented) a collecting method based on frequency multiplication phase-locked.
针对电力系统谐波测量方法存在的问题，提出了一种基于锁相倍频采集方法。
This paper presents a new method of high accuracy measurement of frequency.
提出一种新的高精度频率测量方法。
The measurement principle of selective frequency balance method with input circuits of inductance and capacitance for PD detection is analyzed in detail in this paper.
文中以电感电容为输入电路，全面分析了用选频平衡法测量局部放电的原理。
This paper is dedicated to discuss the definition, measurement and control method of High Frequency leakage current.
本文旨在对于高频漏电流的界定、检测及控制方法进行探讨。
When traditional method is used for measurement at low frequency range, measuring precision can not be guaranteed and measuring is time-consuming.
传统的频率特性测量方法，在低频时，测量精度较差，且非常费时。
This paper described a novel method for high -frequency complex permeability measurement.
该文提出了一种新的高频复磁导率的测试方法。
On the research of traditional phase noise measurement methods, a new phase processing and phase noise measurement method based on Equivalent phase Comparison Frequency is proposed in this paper.
本论文在对传统相位噪声测量方法研究的基础上，提出了基于等效鉴相频率的相位处理和相位噪声的测量。
A wetness measurement system based on cavity perturbation method is designed for precise measuring, including automatic frequency tracing system and equal precision frequency measurement system.
以汽轮机内蒸汽湿度的准确测量为目的，设计了基于微波谐振腔微扰法的蒸汽湿度测量系统：自动频率跟踪系统和等精度频率测量系统。
This paper introduces the principle of frequency changing method of grounding resistance measurement, the structure of frequency conversion measurement apparatus and data process method.
介绍了变频法测量接地电阻的原理、接地电阻变频测量仪的结构、数据处理方法和实测结果。
By the method of frequency measurement, instant rotational speed is measured in the test system, angular acceleration is calculated by using the feature of the MCU with the least square method.
介绍了一种发动机无外载功率检测系统的软、硬件设计，利用测频法测量出某一时刻的瞬时速度，并利用最小二乘法求出角加速度。
It accords with the fact of tramcars' running to use the method of frequency measurement.
应用测频率法，符合矿车运行实际情况。
In this paper, a method of shock frequency analysis is applied to compaction measurement. Its principle and key technique is given.
叙述了用瞬态冲击频谱分析法测定路基压实度的原理和技术关键。
A method, which realizes the fast frequency measurement for dual sinusoidal signals basing on DFT and autocorrelation theory, is given.
基于DFT和自相关理论，该文提出了一种双正弦信号频率的快速估计方法。
A digital filtering method is proposed for compensation of the low frequency characteristics of piezoelectric dynamic strain measurement system.
针对采用压电元件的动态应变测量系统的低频失真问题，提出一种采用数字滤波器的低频特性补偿方案。
Based on linear frequency modulation continuous wave (FMCW) technique, we have developed a distance measurement method for non contact and non integrating error measurement.
给出一种以频率调制连续波（FMCW）技术为基础的进行无接触、无累加误差和较大动态范围距离测量方法。
It introduces the hardware construction method of equal precision digital measurement frequency.
并介绍了一种进行等精度数字测量频率的硬件实现方案。
It introduces the hardware construction method of equal precision digital measurement frequency.
并介绍了一种进行等精度数字测量频率的硬件实现方案。
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