The dissertation also presents the sensitivity of time domain method and frequency domain method to different kinds of error.
分析了时域法、频域法对不同类型误差的敏感程度。
Considering this, this paper presents a method by experiment which can measure performance curve of silicon steel sheet at different frequency as reference of designing variable frequency motor.
针对这种情况，本文提出一种实验的方法，测取不同频率下硅钢片的特性曲线，以供变频电机设计时参考。
Method: Sample solution were extracted by ultrasonic in different power and frequency and by reflux.
方法：用不同功率和频率的超声仪提取及加热回流提取样品液。
The adoption of the unitary transform method can transform different frequency filters into the standard lower pass filters, and thus simplify the design process.
采用归一化变换的方法，使不同选频滤波器变换为标准低通滤波器，简化了设计过程。
It researched the experimental method of high-pulsed electric field to milk's sterilization, which measured the sterilization ratio in different electric field intensity, treatment time and frequency.
介绍了利用高电压脉冲电场对牛乳灭菌的试验检测方法，并进行了不同电场强度、脉冲频率及处理时间对牛乳灭菌效果的对比试验。
Firstly, based on wavelet multi-resolution analysis method, the load serials are decomposed to different sub-serials which show the different frequency characteristics of the load.
首先基于小波多分辨率分析方法将负荷序列分解成具有不同频率特征的序列。
The main strength of wavelet analysis is that it can divide data-changing frequency infinitely and it is then possible to use according prediction method in the different frequency band.
本文中使用小波变换的主要优点是它可无限分频的能力，可以将具有不同变化规律的因素造成的价格波动变化分离出来，从而为针对性的寻找预测方法和规律提供了可能；
On the premise of no limitation on the peak value of resonance, the method can be used to modify optimal parameters under different angular frequency of excitation.
在不受共振峰值最小限制的前提下，按此修正方法针对不同的激振角频率对优化参数进行修正。
The method can reduce influence of errors existing in statics for different frequency, especially reduce the loss of high-frequency components, so that has a good result in improving data resolution.
本方法能够降低不同频率校正量误差的影响，尤其减少了高频成分的损失，对提高资料分辨率有较好的效果。
At different wave band and polarization, the high frequency RCS of a model was computed with the graphical electromagnetic computing (GRECO) method.
在不同波段不同极化下，应用图形电磁计算(GRECO)法计算了某模型的高频雷达散射截面(RCS)。
In fault diagnosis of machinery, the method can extract fault information of machine parts of different frequency bands.
该方法实现了在机械设备故障诊断中不同频带范围内零部件故障信息的分离和提取。
Methods Time-frequency domain method was used to effectively recognize TEOAEand stimulating artifact by their different short time Fourier transformation (STFT).
方法采用时-频域识别方法，根据TEOAE与刺激伪迹不同的短时谱特征来有效识别两者。
By using the frequency analysis method the periodic motions and chaotic motions are judged, and the periodic orbits embedded in different chaotic bands are distinguished.
利用频谱分析法对周期运动和混沌运动进行判断，并对嵌于不同混乱带中的周期轨道进行区分。
Furthermore, with the method of amplitude ratio with different frequency selected, the areal attenuation effect and local site response have been studied.
采用振幅谱频率比方法，研究区域衰减效应和局部场地响应。
According to joining the different disturbance, this method can be divided into active frequency drift with fixed disturbance method and active frequency drift with feedback method.
该方法根据加入扰动的不同，可以分为固定扰动的主动移频式孤岛检测方法和带反馈的主动移频式孤岛检测方法。
According to the method, the energy of different frequency bands after wavelet packet decomposition constitutes the input vectors of support vector machine as feature vectors.
该方法将振动信号小波包分解后的频带能量作为特征向量，输入到由多个支持向量机构成的多故障分类器中进行故障识别和分类。
Using time-frequency-and complex frequency domain analysis to find the complete response of the circuit from the different point, has the different physics meaning and calculating method.
电路的时域、频域和复频域三种分析法求解电路的完全响应，比较了三种分析法的物理意义和计算方法。
Using direct calculation method can easily change in acceleration and deceleration time, maximum start frequency, maximum operating frequency in order to adapt to different processing conditions.
采用直接计算的方式可以方便的改变加减速的时间、最高启动频率、最高运行频率以适应不同的加工状况。
By using it, the test can be done at the operation frequency of circuits under test, therefore results of the test can be more precise and this method can detect different types of faults.
这种方法克服了稳态电流测试方法测试频率低、瞬态电流测试方法对测试仪要求过高等问题，它能以电路的工作频率对电路进行测试，测试结果更准确，可以检测多种类型的故障。
However, slightly different paths of carrier L1 and L2 will bring errors to estimations of the dual-frequency method.
不过，两载波信号l 1和l2之间的传播路径差异会给双频方法带来误差。
Methods: the mathematic method is used to find a uniform expression for frequency aliasing matrix of different resolution images.
方法：用数学方法求解对应于低分辨率遥感图像的统一频谱混叠。
In the design, in view of the breakdown different form, has studied the sound detection law, the pulse magnetic field law, the audio frequency induction method and so on each method principle.
在设计中，针对故障的不同形式，研究了声测法、脉冲磁场法、音频感应法等各种方法的原理。
In this paper the author introduces the principle of the Master - Slave control of frequency converters provides the realizing method and discusses the characteristic of different control means.
本文介绍变频器在主从控制中的工作原理及其实现方法，并论述令鬻种实现方法的控制特点。
The tone regulating method includes the steps of: re-sampling the sound signal to be raised or fallen in tone in different sample frequency and outputting in original playing frequency;
一种音调调整方法与装置，本方法包括以下步骤：以不同取样频率对欲升降调的声信号重新取样，再将其以原播放频率输出；
A method of large capacity memories expansion of excess 8031 location addressed ability and using software to collect data in different sampling frequency are emphatically described.
着重阐述了超出单片机寻址能力的大容量存储器的扩充方法及用软件实现变采样率的数据采集方法。
A method of large capacity memories expansion of excess 8031 location addressed ability and using software to collect data in different sampling frequency are emphatically described.
着重阐述了超出单片机寻址能力的大容量存储器的扩充方法及用软件实现变采样率的数据采集方法。
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