wave frequency的例句大全

The frequency, wave length, and speed of sound are closely related.

频率, 波长和声速三者是密切相关的.

Directional wave spectrum is discretized in frequency and direction domain by an energy equalisation method, and calculation is conducted for each wave component.

基于线性波浪理论，将波浪方向谱在频率和方向上按等能量分割法离散后，分别计算各组成波的传播变形，再计算合成波要素。

369 cases with periarthritis of shoulder were divided as two groups. They respectively accepted audio frequency electrotherapy, ultrashort wave therapy. Ultrashort wave therapy was used by placing 20? cm × 30? cm capacitance electrodes in front and behind knee and slight heat applied.

369例肩周炎患者，分两组分别应用音频电、超短波疗法进行治疗。超短波疗法：选用20cm×30cm电容电极于膝关节处前后对置，微热量；

The frequency of the wave is measured in periods per second, or Hertz.

波的频率以每秒周期数或赫兹（Hertz）为单位进行测量。

The attenuation factor of longitudinal wave was changing linearly, whereas the attenuation factor of the slow shear wave kept nearly constant with a low frequency on the exploration seismic band.

纵波的衰减系数在地震频带内基本上呈线性变化，而横波的衰减系数在地震频带内除低频外基本保持稳定。

A harmonic oscillator with time dependent frequency is studied using double wave function theory.

用双波函数理论研究了频率含时的谐振子.

Low frequency stress wave does more damage.

低频波比高频波的危害更大。

Surface Acoustic Wave filter and ceramic filter are primarily used in the traditional wireless communication systems; they can not meet the needs of current communication system because of large volume or low operating frequency.

传统用于无线通信的带通滤波器以介质陶瓷滤波器和声表面波滤波器为主，他们因为体积大或工作频率低等因素已经不能满足需要。

Vomiting and regurgitation were respectively related to slow-wave dysrhythmia and lowered frequency of contraction, while both borborygmus and belching might be attributed to the increase in general amplitude of contraction wave and in the amplitude of the 3 types of contraction waves.

呕吐和反酸分别与慢波节律紊乱和压力波频率减少有关：暖气、腹鸣均与平均压力波幅值及3种不同形态压力波的平均幅值的增高有关；恶心与平台型波平均幅值的下降有关。

Characteristics of attenuating and absorbing of super wideband radar surface wave by means of radar absorbing coatings as well as radar absorbing coatings combined with frequency selective surfaces are studied and then reported here.

研究了雷达吸波涂层对宽频段雷达表面波衰减吸收的规律以及频率选择表面与吸波涂层相结合的复合吸波涂层对宽频段表面波衰减吸收的规律。

Localization technique of pipeline detecting based on extremely low frequency electromagnetic wave

基于极低频电磁波的管道检测定位技术位置检测器位置传感器

Exact wave function of the coupled harmonic oscillator with time-dependent mass and frequency

质量和频率均含时的耦合谐振子的严格波函数

By peak value sampling the information of baseband signal can be obtained from an AM signal directly. By frequency conversion sampling the carrier wave's frequency of a PSK signal can be cut down.

对AM信号进行峰值采样可以直接获得基带信号的信息，对PSK信号进行变频采样可以降低其载波频率。

A matched filtering method for frequency modulated continuous wave

调频连续波的一种匹配滤波处理方法

Rectangular wave exported by medium frequency power supply is matched load by a export network.

中频电源输出40kHz对称矩形波，通过输出网络与负载匹配。

Wave traces and absorption coefficients of O-mode and X-mode waves near the electron cyclotron frequency were computed in the HL-1M plasma.

计算了频率在电子回旋频率附近的O波和X波在HL1M等离子体中的传播轨迹和吸收系数。

Discussion on cut-off frequency of electromagnetic wave in mine roadway

矿井隧道中电磁波截止频率的探讨

While analyzing to experiment the phenomenon, dielectric polarization and dissipative mechanism are used for qualitative analysis, then put forward the frequency wave segment of eddy magnetic, which is likely to working on ice crystal's vegetal.

在分析实验现象时，利用介质极化和松弛损耗机理进行定性分析，提出了可能存在影响冰晶生长的旋转磁场频率波段。

Research on the Millimeter-wave Microstrip Integrated Frequency Doubler

毫米波微带集成倍频器研究

Method Continuous wave radar techniques and signal processing techniques including zero intermediate frequency, frequency domain accumulation and adaptive noise cancellation were used in the system.

方法将连续波雷达技术和生物医学信号处理技术相结合，采用了零中频、频域积累及自适应对消技术。