通过对载波信号的频谱分析,提出了一种能分离治疗阈值与疼痛阈值的无极性指数脉冲。
After analyzing the spectrum of a group of signals, non-polar differential exponent pulse signal was selected as carrier wave, which can separate therapy threshold and ache threshold.
并对实测张力波动信号作了频谱分析,为设计张力传感器和微机张力信号采集系统提供了依据。
The spectrum of the tension fluctuation signals is also analysed, providing a basis for the design of tension testing sensors and tension signal collecting systems with microcomputers.
再对滤波后所得的脉冲信号进行频谱分析,容易提取所需的缺陷信息。
And then the spectrum analysis on the pulse signals is made after filtering, the defect information is easily to be extracted.
该方法是通过对测取齿轮工况下的振动信号进行频谱分析,从而找出齿轮产生故障的原因。
By use of the method, the vibration signal in working state is measured and the spectrum analysis of the gear can be taken, so that the cause of the gear breakdown is found out.
对解调处理后的信号做频谱分析,诊断数控机床的故障。
Analyze the signals which were demodulated and diagnose the malfunction of the CNC.
通过对LGA风机噪声的实测,将采集的信号进行数据处理,频谱分析。
The noise and vibrational signals collected will be data-processed and the frequency spectrum will be analyzed through the actual measurement of the noise from LGA fan.
在分析传感器信号的基础上,用SD- 380动态分析仪对信号作了频谱分析。
Based on the analysis of the sensor signal, the frequency spectrum is analyzed with SD-380 dynamic analyzer.
频谱分析仪是对频域信号进行测量和分析的一种重要的测量仪器。
The spectrum analyzer is a very important instrument in measuring and analyzing the signals in frequency domain.
对滤波后的莫尔信号进行了实测,并用频谱分析法作了分析。
The filtered signal is measured practically and the spectrum analysis is realized on a computer.
为了提高频谱分析的精度,要求对振动信号进行整周期等相位采样。
In order to improve the accuracy of spectrum analysis, it's better to sample the vibration signals in the way of full cycle and equal phase.
试验证明,利用振动信号的频谱分析能够有效地对铝合金点焊过程进行监控,是提高铝合金点焊质量的一种有效方法。
The experiment has proved that frequency analysis of the vibration signals of electrodes is an useful and perspective method, which can be used to monitor the process of the aluminum…
本文对用侧扫声纳信号进行海床类型识别的统计分析法和频谱分析法进行探讨。
This paper deals with statistical analysis method and spectral analysis method for classification of sea bed using side scan sonar data.
文中对井下噪声信号进行频谱分析,用噪声信号中的频谱信息来识别井下流体类型。
In this paper, frequency spectrum of downhole noise signal is analyzed, and the spectrum information extracted is used to identify the types of downhole fluid.
首先对原始地震信号进行频谱分析,然后按其幅度谱对频率参数进行非均匀离散化。
Firstly, seismic signal is spectrum analyzed. After that, when the over-complete dictionary of atoms is being created, the selection of the frequency parameters refers to the spectrum analysis.
传统语音信号谱特征的提取是基于FFT 的能谱分析方法,在噪音环境情况下,对噪音的频谱成分与语音信号的频谱成分的处理采用“平均主义”的原则。
Traditional speech signal processing is based on FFT power spectral analysis, in noisy condition, the spectrum of noise and speech signal are processed in the same way.
对DDS基本原理进行了简要介绍,利用信号分析的方法对DDS理想输出进行频谱分析。
The fundamental principle of direct digital synthesis (DDS) is introduced in this paper. Based on signal analysis, the ideal output spectrum characteristic of DDS is analyzed briefly.
对SQ 6450轻型汽车进行了噪声测试,通过对噪声信号的频谱分析和相干分析,找出了主噪声源,并提出了降噪措施。
In this paper the main noise source of SQ6450 type light car was judged by means of spectrum and correlation analysis of noise signal. The corresponding proposal reducing noise was presented.
以多导生理信号分析系统记录胃慢波,以频谱分析法分析不同5 - HT受体拮抗剂对胃慢波的影响。
Gastric slow waves were recorded by multi-channel physiological signal analytical system. Effects of antagonists of various 5-ht receptors on gastric slow waves were analyzed by spectral analysis.
对样机的振动与噪声进行了实验研究,通过对采集的振动与噪声信号进行频谱分析,分离出了电磁振动与噪声。
It also studied by method of experiment. The electromagnetic vibration and noise were isolated by spectral analysis to the vibration and noise signals.
针对语音信号频谱分析实际上是时变频谱分析的特性,详细地讨论了用FFT技术对语音进行频谱分析过程中的方法问题。
Speech signal spectrum analysis is the time-varied spectrum analysis. FFT technique on speech signal spectrum analysis are discussed in detail in this paper.
因此,在对轴承振动信号进行故障诊断的研究中,对信号进行频谱分析,判断轴承缺陷的类型是一种重要方法。
Therefore, it is an important way to analysis the signal spectrum and determine the type of bearing defects in the study of bearing vibration signals for fault diagnosis.
再通过对振动包络信号进行频谱分析就可以对轴承的故障类型作出判定。
Finally the failures are diagnosed by envelope spectrum analysis of the envelope signals.
为了评价纤维素焊条的工艺性,对焊接过程电压信号进行了频谱分析。
In order to assess the operational behavior of cellulose electrodes, the frequency spectrum analysis on the point of voltage was carried out.
由数据采集卡收集到得现场信号,经过所设计的频谱分析仪对采集到的数字信号进行分析。
When the data acquired in DAQ is analyzed in the designed spectrum analyzer, the result demonstrates the accuracy and the flexibility of the system.
利用MATLAB7.0语言编制脚本文件,对信号调用相应的函数进行各种调制,并且对其进行频谱分析。
By using the language of MATLAB7.0, the function called by signal is processed to all kinds of modulations, and also the frequency...
最后对核磁共振信号的实时采集及信号的处理和频谱分析做了详细的说明和重要的推导并得出了频谱分析的结果。
Finally, the paper makes a specific description on the acquisition and processing of the real-time magnetic resonance signal as well as spectrum analysis.
通过对载波脉冲信号作频谱分析和载波接收机接收载波脉冲信号的试验,提出了选取调制脉冲宽度范围的建议。
Through the spectrum analysis of carrier pulse signals and the test results of carrier receivers, the author proposes further a method for selecting the…
通过对载波脉冲信号作频谱分析和载波接收机接收载波脉冲信号的试验,提出了选取调制脉冲宽度范围的建议。
Through the spectrum analysis of carrier pulse signals and the test results of carrier receivers, the author proposes further a method…
通过对载波脉冲信号作频谱分析和载波接收机接收载波脉冲信号的试验,提出了选取调制脉冲宽度范围的建议。
Through the spectrum analysis of carrier pulse signals and the test results of carrier receivers, the author proposes further a method…
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