The envelope of the beat frequency is depicted as the grey areas.
信封的摆动频率是描述的灰色地带。
The changes of the myocardial beat frequency before and after administration were counted.
通过计数器计数给药前后心肌细胞搏动频率的变化。
The envelope of the beat frequency will always be stationary in space; no angular velocity.
信封的摆动频率将永远固定在空间；没有角速度。
Theoretical analysis showed that the laser frequency stability and the beat frequency stability is in the same.
理论分析表明激光频率稳定度与拍频频率的稳定度相同。
A tunable GaAlAs diode laser is used as a chirp signal source, the distance is detected by calculating the beat frequency.
由可调谐半导体激光器产生一个啁啾信号，通过测量拍信号频率计算距离。
Brillouin enhanced four wave mixing, whose interference beat frequency drives an acoustic field, can improve the SBS phase conjugation fidelity.
采用四波混频加强SBS的方法，其相干拍频驱动声子场，能提高SBS相位共轭保真度。
Objective To investigate the effects of different concentrations of propofol on cilia beat frequency (CBF) of isolated human tracheal epithelium.
目的观察异丙酚对离体气管上皮细胞纤毛摆动频率(CBF)的影响。
This paper studies power tuning curve and beat frequency tuning curve of 6328a transverse Zeeman laser adopted mutually orthogonal magnetic fields.
本文研究了采用正交磁场的波长为6328a的横向塞曼激光器的功率调谐曲线和拍频调谐曲线。
A remote measurement system of solid surface displacement by laser Doppler effect of grating which was used to produce beat frequency is discussed.
研究了利用运动光栅的多普勒效应进行切向位移的遥测技术。
And tests on the laser's optical performance like wavelength, the facular quality and mode, the fluorescence signal, the beat frequency signal are carried out;
对激光器电学部分如自制电压源、电流源、温控模块等研制方案及电路框图进行了介绍，给出了测试数据和数据分析结果；
He says it is possible to detect different species of mosquito because their wings beat with a distinctive frequency.
他表示，检测不同种的蚊子是有可能的，因为它们翅膀扇动的频率有着明显区别。
If you can slow down the rhythm of your breathing, the frequency of your heart beat down.
如果能让呼吸的节奏放慢，心跳的频率就会跟着降下来。
Measuring for the beat error (frequency error) : Numerical display in milliseconds. Resolution is 0.1 milliseconds; the measuring range is 0-9.9 ms.
偏振(频率错误)测量：数值以毫秒显示。分辨率是0.1毫秒，测量范围是0—9.9毫秒。
The Doppler frequency can be obtained as a heterodyne or beat effect.
由于外差或频差效应，能够得到多普勒频率。
In this paper, a measuring instrument is designed based on relative measurement of the semiconductor laser frequency stability making use of the beat technology.
本文设计了一种测量仪，基于拍频技术对半导体激光器频率稳定度进行相对测量。
The new effects of phase-conjugation asymmetric attosecond sum-frequency polarization beat (ASPB) of twin composite color-locking stochastic fields in cascade three-level system are investigated.
研究了级联三能级系统中孪生色锁随机光场的相位共轭阿秒和频极化拍频(ASPB)不对称新效应。
Our hearts will beat with a higher vibration and the frequency of light will have been turned up.
我们的心会以一个更高的振动跳动，光的频率会出现。
The node is used as sampling flag and the beat-wave fringe fraction is measured with double frequency interferometer combined by optical components.
该装置以拍波合成的场强信号的节点为对准标志，以光路组合形成的双频激光干涉仪测量尾数部分。
Based on the random variation of cavity length, characteristics of the medium index and mode competition effect, low-frequency beat and noise continuums are explained.
根据腔长的随机变化、介质色散特性和模竞争效应解释了低频拍和连续噪声谱。
The range measurement of the FMCW radar is based on the estimation of the frequency of the beat-note signal.
为了提高FMCW雷达的距离测量精度，提出了一种基于差拍信号相位的距离估计方法。
She filmed them, so that she could analyse the frequency with which they beat their tails as they swam and measure the amplitude of these powerful tail strokes .
诺尔博士拍下海豚游动的情况以便于她能分析在游动时它们拍打尾部的频率，同时能测出这些强有力的尾部拍击的振幅。
She filmed them, so that she could analyse the frequency with which they beat their tails as they swam and measure the amplitude of these powerful tail strokes .
诺尔博士拍下海豚游动的情况以便于她能分析在游动时它们拍打尾部的频率，同时能测出这些强有力的尾部拍击的振幅。
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