分析了电路波形及实验数据、对实验研究过程中的多频率峰值、谐波干扰和幅值干扰等进行了分析和处理。
A detailed analysis about the circuit waveform and experimental data is also given the multi-frequency peak value and the frequency interference during the experiment are all analysed and processed.
因此，根据现有实验条件和其他客观因素，我们进行了多频率超声波发生器的自主研制工作，为我们后面的实验创造实验了条件。
Therefore, according to existing experiment conditions and other objective factors, we carried on an independence research and manufacture work of multi-frequencies ultrasonic device.
利用多传感器对切削力和振动信号进行监测，通过频率变换提取切削力特征量，采用小波包分解技术提取振动信号特征量。
Signals of cutting force and vibration are measured with multi-sensor and features in frequency domain and time-frequency domain are extracted by using wavelet package decomposition.
对设计中无失真再现不同频率信号用到的多采样率变换数字信号处理技术进行了研究。
The multirate transform theory is studied here because it is utilized to reconstruct the waveform of different frequencies signals without distortion.
通过对信号进行基于瞬时自相关的瞬时频率提取的方法对中频信号进行分析、识别，然后可以在FP - GA内部构造一个多通道匹配滤波器对信号进行匹配。
The article analyses the signal through the method of gaining instant frequency on the base of instant correlation, then we can make up a multicenter matching filter in the FPGA.
设计了在频率域电法勘探中发送机与接收机GPS时间同步电路，实现了多频激电仪接收机与发送机的精确时间同步进行高精度相位测量。
The frequency domain electric transmitter and receiver synchronization electrocircuit has been designed. It is concluded that the GPS time synchronization is feasible in this instrument.
本文分析了内燃机曲柄连杆机构往复运动件的高谐次运动对轴系惯量变化和固有频率的影响，并对一多缸机轴系进行了扭振计算。
The effects of high order motions of reciprocating parts on the variation of inertias and natural frequencies of crankshaft system are discussed in this paper.
在双模与多模近似情况下，对复合开放式谐振腔作为一个整体进行了分析，并数值计算了复合腔的谐振频率、Q值与场分布。
The resonance frequency, Q-value and field profile function are solved numerically. On the basis of this, the large signal analysis of it is carried out.
对多横模全固态激光器使用正交频率变换进行了分析，计算了频率转换效率与激光发散角的关系。
The effect of multi transversal mode on quadrature frequency conversion in a solid-state laser was analyzed, and the relation between the conversion efficiency and the divergent angle was conducted.
指出了非线性CS算法在实际应用中其参考频率的选择是唯一的，并提出了一种在大斜视角下进行多视处理的方法。
It is proved that the choice of the reference frequency in NCSA is unique. A multiple-look SAR imaging method for the large squint Angle is presented.
大多数药品来源正常。对非医疗目的使用、多药使用、使用频率高、从非正常渠道获得、使用后有特殊感觉、容易获得的情况有必要进行进一步调查。
Further and necessary investigations should be conducted on non-medical use, poly-drug use, frequent use, non-normal resources, special feeling after using, easy obtainment etc.
针对复杂电力系统发生多频率异步运行的情况，振荡中心飘浮移动的原因、规律以及电气量变化的特征进行了初步分析与探讨，并通过数字仿真进行了必要的验证。
The reasons and characteristics of the movement of oscillation center and the behavior of varying electrical quantities during this kind of asynchronous operation are also discussed.
再次，对多谐振频率压电发电结构参数进行了优化，并对发电性能进行了分析。
Thirdly, the parameters of multi-resonant frequency piezoelectric energy harvesting structure are optimized and its generation capacity is analyzed.
介绍了采用多传感器对采煤机的运行状态进行监测，通过小波包对监测信号进行分析，得到其特征频率信息，以达到对其早期故障的预测。
The paper introduces a method of using multisensor to detect running state and using the wavelet packet transform to analyse the signals. In the ends the character frequ…
介绍了采用多传感器对采煤机的运行状态进行监测，通过小波包对监测信号进行分析，得到其特征频率信息，以达到对其早期故障的预测。
The paper introduces a method of using multisensor to detect running state and using the wavelet packet transform to analyse the signals. In the ends the character frequ…
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