1.
A STUDY ON METHODS AND INSTRUMENTS OF CALIBRATING FINE FREQUENCY OF EDM
光电测距仪精测尺频率校准方法与仪器的研究
2.
Application of frequency and multi-scale absorption attribute of deep formation in Western Sichuan Depression
频率与多尺度吸收属性应用研究——以川西坳陷深层气藏预测为例
3.
Research of Methods for R Wave Detection of ECG and Heart Rate Variability (HRV) Based on Multi-scale Time-Frequency Analysis;
基于多尺度时频分析的心电R波检测以及心率变异性（HRV）分析方法研究
4.
radio frequency emission testing
无线电频率放射测试
5.
preferred frequencies for acoustical measurement
声学测量的最佳频率
6.
narrow-band charactascope
窄带频率特性观测器
7.
plasma frequency probe
等离子体频率探测器
8.
Efficient Analysis of Conformal Frequency Selective Surfaces by Characteristic Basis Function Method and the Adaptive Cross Approximation Algorithm
CBFM-ACA方法快速分析有限尺寸共形频率选择表面
9.
Frequency of the wide-band sandwich transducer with single hole in relation of the hole's size
穿单孔换能器的频率与孔尺寸间的关系研究
10.
A Prediction Method of FH Frequency based on Degree of Incidence
一种基于关联度的跳频频率预测方法
11.
Measurement of the Fequency Response of a Loudspeaker Using Butterworth Impulse
用Butterworth脉冲测量扬声器的频率频响特性
12.
testing method for dimensional change of cloth : soap solution method
织物尺寸的变化率测定：肥皂溶液法
13.
determination of dimensional changes of cloth:cold-water immersion
织物尺寸的变化率测定：常温水湿透法
14.
Frequency Monitor and Frequency Selection Method Research of High-Frequency Software Defined Radar;
软件高频雷达频率监测及选频方法的研究
15.
The Optimized Arithmetic and Experiment Study of Low Frequency Small Size Passive Acoustic Direction;
低频小尺寸被动测向优化算法和实验研究
16.
A Multi-Criterion Geological Stratification Method Based on Conventional Log Curve Spectrum Analysis
基于常规测井曲线频谱分析的多尺度地质分层
17.
Precision Measuring Technology for Large Dimensions Based on Two-Frequency He-Ne Interferometry
基于He-Ne双频激光干涉的大尺寸精密检测技术
18.
Detail view of sensor to measure the inner pipe's resonant frequency.
用来测量内管共振频率之感测器详图。