Venation wave spectrum analysis finds out shape-structure change of mid-frequency signal fluctuation.
脉络波谱图分析查明了中范围（频率）信号波动的形态结构变化。
Economic periodic fluctuation early warning signal system is built. On the basis of it, the early warning limits of all the indexes are determined.
建立了经济周期波动预警信号系统，在此基础上确定了各指标的预警界限。
The RF pulse-to-pulse phase noise through microwave test circuit becomes a VF pulse signal of random fluctuation.
射频脉间相位噪声经过微波检测电路、视频电路后变成随机起伏的视频脉冲信号。
This paper analyses the random process of traffic flow fluctuation of the traffic control system and presents the subsystem quasi -junction method for the determination of signal cycle of the system.
本文通过对城市干道交通控制系统交通流波动特性的随机过程分析，提出了确定该系统信号周期的子系统比拟法。
In general, Energy Detector works best in the stationary environment, but is sensitive to noise fluctuation and jamming and cannot get signal parameters.
总的来说，能量检测在平稳的环境中性能是最好的，但是对干扰敏感且不能给出信号的参数。
The experiments indicate that the amplitude of plasma optic signal and fluctuation can be used as characteristic signal for real-time monitoring and control for titanium laser welding.
上述试验结果表明，可以用等离子体光信号的幅值高低和波动大小作为焊接质量实时监测和控制的特征信号。
Boom fluctuation signal control system of retail commerce monitors and regulates the boom process of retail commerce by using a group of red, yellow and green lamps.
零售商业景气波动的信号控制系统，通过一组指示灯信号系统来监测、调控零售商业景气运行的过程。
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.
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。
By using signal latching technique on temperature contrcller, the measurement error caused by electric network fluctuation induced by start-up and shut-off motor can be eliminated.
对控温信号采用了锁存技术，可以消除电机起动与停止导致电网波动所引起的采样误差。
Based on our previous setup, a signal differential module is introduced to reduce the noise rising from the fluctuation of the laser power to improve the quality of the experimental interferogram.
并在原实验装置的基础上，利用信号差分方法减少了光强波动对实验干涉谱图的影响，改善了信噪比。
Based on the method of engine crank speed fluctuation, the 58X speed sensor signal is analyzed by the input capture.
基于曲轴转速波动法，通过对发动机58齿转速信号进行分析，计算发动机每缸失火粗暴度来判断是否失火。
The main works are listed as follows:1) Based on higher-order statistics technique, a new method for differential pressure fluctuation signal analysis of gas-liquid two-phase flow is proposed.
基于高阶统计量技术，提出了一种气液两相流差压波动信号分析的新方法。
Compared with other technique, TTIB suppresses both the random amplitude and phase fluctuation in received signal.
与其它的抗干扰技术相比，TTIB可同时抑制接收信号的随机振幅和相位的干扰。
Thirdly, the fluctuation of sound signal amplitude caused by one kind of non-linear internal waves is analyzed.
研究一类弱非线性内波导致的声信号幅度起伏机理。
Pulse signal is one of the most primary physiological signals, including the pulse frequency, the pulse rhythm, pulse-filling ratio, state of stream, state of motion, fluctuation amplitude and so on.
脉象信号，是人体最重要的生理信号之一，包括频率、节律、充盈度、通畅的情况、动势的和缓、波动的幅度等。
The paper concludes that the price signal in land market is one of the important factors of the fluctuation of newly-built housing price.
研究结论：土地出让价格信号是引起新建商品住宅价格波动的主要因素之一。
Studies on flow regime identification of two phase flow according pressure fluctuation signal in recent years have been reviewed.
介绍了近年来通过压力（压差）波动过程实现气（汽）液两相流流型识别的最新研究成果。
The results show that, the influences of turbulent fluctuation on time-averaged infrared signal in different wave band are different.
分析结果表明，在不同的探测波长上，湍流脉动引起的时均辐射信号变化不同；
The fluctuation of sound signal amplitude caused by one kind of non-linear internal waves is analyzed in third part.
最后在第三部分，研究一类非线性内波导致信号幅度起伏机理。
An envelope order spectrum based on multi-scale chirplet and sparse signal decomposition was proposed and applied to the fault diagnosis of gearboxes with rotating speed fluctuation.
提出了基于线调频基稀疏信号分解的包络阶次谱方法，并将其应用于变速齿轮箱故障诊断之中。
Using the time-gain compensation technique to compensate for ultrasonic waves weaking when transmitting in the air, and reduce the fluctuation of echo signal.
采用了时间增益补偿技术和峰值时间检测技术，可正确检测超声波回波的到达时间。
Using the time-gain compensation technique to compensate for ultrasonic waves weaking when transmitting in the air, and reduce the fluctuation of echo signal.
采用了时间增益补偿技术和峰值时间检测技术，可正确检测超声波回波的到达时间。
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