beat frequency
英 [biːt ˈfriːkwənsi]
美 [biːt ˈfriːkwənsi]
经常巡逻的路线；（无线电）拍频；差频
双语例句
- 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。 - Study on ciliary beat frequency of the mucosa of bulla and upper respiratory tract in mice
小鼠中耳及呼吸道纤毛运动频率研究 - Experiment on Beat Frequency between Two Independent Different Types of Laser
两种不同类型独立激光器的拍频实验 - A novel method for active fiber refractive index measurement based on beat frequency interrogation of the multi-longitudinal-mode distributed Bragg reflector ( DBR) fiber laser was presented.
介绍了一种基于多纵模分布布拉格反射（DBR）光纤激光器拍频解调的有源光纤折射率测量方法。 - A Measurement Method for a CW Laser Modulation Spectrum Based on Optical Beat Frequency
一种基于光拍频的连续激光调制光谱测量方法 - Effect of ATP on Human Nasal Ciliary Beat Frequency
ATP对人鼻腔纤毛摆动频率的影响 - While tail beat frequency ( TBF) of GIFT strain Nile tilapia increased with increasing water current, while When water velocity was up to0.
在一定流速范围内，罗非鱼幼鱼摆尾频率随着流速增加而增大。 - The experimental results were satisfactory, the beat frequency stability was 1.27 × 10-7 ( Allen variance).
实验频率锁定结果良好，频率稳定度为127×10-7（阿仑方差）。 - Stability Analysis of Beat Frequency in Double-Longitudinal-Mode He-Ne Laser
双纵模He-Ne激光器的拍频稳定度分析 - Ciliary beat frequency of different cilia is equal on the same cell, it is also equal from uncinate process and inferior turbinate.
同一来源的体外培养的钩突和下鼻甲的纤毛摆动频率是相同的。 - Generation of millimeter wave by beat frequency of photonic crystal waveguide directional couplers
利用光子晶体波导定向耦合差频产生毫米波 - The beat frequency was determined by fitting with certain model.
我们选择恰当的数学模型进行拟合分析，得到了拍频频率。 - Then, the pulse width parameter which is the most important in the parameters of FMICW is analyzed. The stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing.
然后对FMICW波形参数中最为重要的脉冲宽度进行了分析，给出了更为严格的约束条件，保证了信号处理后距离谱峰值的唯一性。 - Beat frequency result of piezoelectric deformable mirror without modulation is given, and its self oscillation frequency with phase modulation is also given.
给出了压电变形反射镜没有调制时的拍频结果。同时，还给出了该反射镜进行相位调制的自振频率。 - 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。 - The infrasonic vibration generator is established on the principle or beat frequency. Starting from this principle, we study the frequencies of two pairs of special forks and find that there exists an infrasonic frequency function between the forks.
次声振荡发生器建立于拍频原理的基础上，按此原理我们研究两对特制音叉的频率，并找出了在这两对音叉间所存在的次声频率函数。 - Some corrections and improvements to the beat frequency model for the quasi-periodic oscillation phenomenon in X-rays binaries have been made in this paper.
本文对小质量X射线双星的准周期振荡的差频模型做了修正和补充。 - The influence of time length and beat frequency on radar range is discussed.
讨论了信号时长和差拍频率对雷达作用距离的影响； - Specially for the transmission line with shunt reactor, the paper analyzes the components of power frequency and low frequency of recovery voltage and researches its beat frequency phenomenon in theory and EMTP simulation.
对有并联电抗器补偿的超高压线路，分析了恢复电压中的工频分量以及由各储能元件形成的低频振荡分量，并对恢复电压的拍频现象进行了深入的研究。 - The beat frequency signal-to-noise ratios are better than 20 dB.
三次实验中差频信号的信噪比均优于20dB。 - Theoretical Study of Fifth-Order Polarization Beat Frequency in a V Type Three-Level System
V型三能级系统中五阶极化拍频的理论研究 - Location optimization of the A and B points; Choice of central beat frequency is studied.
选择水平段A、B点位置；确定了中心拍频的最佳选择； - Choice of central beat frequency is studied.
确定了中心拍频的最佳选择； - Its beat frequency sound field has a strong directivity so be called the Audio Spotlight.
参量阵扬声器是一种新型的声场定向设备，所发射的差频声场具有强指向性而被称为音频聚光灯。 - Finally, the B-FOG beat frequency stability factor is analysed.
最后，分析了影响B-FOG拍频稳定的因素。 - In the fiber laser sensor system, the beat frequency demodulation method is a very simple and full-electronic optical signal demodulation technique.
在光纤激光传感系统中，拍频解调方法相比其它传统的解调方法来说，是一种相当简单、全电子的光信号解调技术。 - The correlative theories, including laser beat frequency principle and laser stabilized frequency technology are represented.
对光学加速度计相关理论，包括激光拍频检测原理、激光稳频技术等有较为详细的叙述。 - 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。 - Based on the spectrum analysis, except for some spurious sources because of phase truncation and amplitude truncation in theoretical analysis, spurs come from the DDS, and the beat frequency of the output signal, its harmonics and clock leakage.
通过对DDS实际频谱曲线的分析，发现产生了在理论分析中相位截断误差及幅度量化误差产生的杂散之外的其它杂散来源，特别是时钟泄露与输出信号及它的谐波的差拍产生的杂散。