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脉动信号     
相关语句
  fluctuation signal
     TRANSIENT HYDRAULIC PRESSURE FLUCTUATION SIGNAL ANALYSIS OF HYDROTURBINE BASED ON HILBERT-HUANG TRANSFORM
     基于Hilbert-Huang变换的水轮机非平稳压力脉动信号分析
短句来源
     In this paper, the signal s strong non-stationary feature is demonstrated with time-frequency two-dimensional analysis by using the Wigner Distribution (WD) for pressure fluctuation signal in gas-solid fluidized beds.
     用Wigner谱首次对气固流化床压力脉动信号进行时频二维分析,压力脉动信号的强非平稳性得到了证实.
短句来源
     The pressure fluctuation signal of the centrifugal pump inlet was analyzed and disposed by wavelet combined with autocorrelation analysis. The spectrum and energy of different scales of the inception cavitation signal were obtained.
     通过自相关分析和小波分析相结合的方法,对离心泵入口压力脉动信号进行了信号分析处理,获得了初生汽蚀信号的各尺度频谱和能量。
短句来源
     The pressure fluctuation signal of gas-solid fluidized bed contains useful information.
     气回流化床压力脉动信号隐含了许多有用的信息。
短句来源
     Forecast the Formation of Agglomeration in Fluidized Beds by Using Characteristic of the Pressure Fluctuation Signal
     利用压力脉动信号特征预测流化床结块故障
短句来源
更多       
  fluctuating signal
     The digital low pass filter method make it possible to decompose the turbulent fluctuating signal into two parts:one is the large scale eddies in which the coherent structures are expected to exist and the other is the small scale eddies that are nearly isotropy. But how to get rid of the noncoherent signal from the large scale part is still a problem to be solved.
     数字滤波法能够将湍流脉动信号分解为大尺度涡和近似各向同性的小尺度涡两部分,但是如何去掉大尺度信号中的非相干部分是仍然需要解决的问题。
短句来源
     The hydraulic fluctuating signal of the draft tube includes low-frequency information that is relative to vortex.
     尾水管水压脉动信号中包含与涡带紧密相关的低频信息。
短句来源
  pulse signal
     Interface Between the Echocardiographic R Pulse Signal and the Computer
     用C语言实现心电图R波脉动信号与微机的接口编程
短句来源
     For this problem, this discourse combining The Special Type Glue Pipe Workshop of South-West Rubber Factory designed and taken charged of construction by the author investigates its dynamical characteristic systemically, does some test in the field, collects ordinary time pulse signal of the workshop, takes the FFT change and receives the pulse Fourier spectrum and some related immanence vibration specialty.
     就此问题,本文结合作者所主持设计并负责施工的西北橡胶厂特种胶管生产厂房,对其动力特性进行较系统的研究,进行了现场测试,采集了厂房常时的脉动信号,对其进行FFT变换,获得了结构脉动付氏谱,进而得到厂房的有关自振特性。
短句来源
     We experimentely studied βe, because it is difficult to set accurately the value of βe. In the study we used interrelated analysis method to given the pressure pulse signal within hydraulic pipe and found variation regular of βe value with working pressure and temprature.
     针对目前液压系统油液综合体积弹性模量βe难以进行精确确定这一特点,采用对给定液压管路的压力脉动信号进行相关分析的方法,对液压系统油液综合体积弹性模量βe进行实验研究并找出了βe值随工作压力与油温的变化规律。
短句来源
  pulse signals
     An analysis of ground pulse signals in Zhangjiakou and Xinglong Stations
     张家口台和兴隆台地脉动信号初步分析
短句来源
     Flue gas pressure pulse signals and temperature pulse signals are analyzed to obtain the effects of flue gas velocity and temperature on the principal fluctuation frequency of gas flow, and further to choose a proper sensor.
     试验中首先对烟气流动所产生的压力脉动信号和温度脉动信号进行分析 ,研究烟气流速和温度对压力脉动主频的影响 ,以选用合适的传感器。
短句来源
     Secondly, the temperature and pressure pulse signals of the high temperature flue gas, obtained by thermocouple and pressure sensor, are introduced to explain the applicability of sensor characteristics.
     其次 ,本文还介绍了用热电偶和压力传感器采集的烟气温度和压力脉动信号 ,分析了传感器特性对相关测速的适应性
短句来源

 

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  fluctuation signal
Bearing and misalignment fault detection in induction motors by using the space vector angular fluctuation signal
      
The differential pressure transducer generated an output voltage proportional to the pressure-fluctuation signal.
      
  fluctuating signal
A method for observing weak diffraction responses on the background of a fluctuating signal from a primary cw source is developed and tested.
      
Quality parameters of radar adaptive threshold devices for not fluctuating signal
      
Expressions determining quality criteria of adaptive threshold detectors of different types for not fluctuating signal are obtained.
      
The large seasonal variations in river flow produce significant responses to this fluctuating signal which are manifested in variations in the milieu of upper Chesapeake Bay.
      
Autocorrelation analysis essentially measures the average of a fluctuating signal as opposed to the mean spectral intensity.
      
更多          
  pulse signal
The transient pulse signal fidelity has also been investigated by finite-difference time-domain (FDTD) method.
      
The instrument was designed for the separation of a periodic pulse signal from noise and interference.
      
The circuit includes a wide-band dc amplifier with a differential input and a linear amplitude-frequency characteristic in the range of 0 to 2 × 106 Hz combined with a sample-and-hold circuit for controlling the dc component of a pulse signal.
      
Algorithms for the suppression of noise and detection of a pulse signal in both time and spectral areas stipulate the use of an analog-to-digital converter with a high resolution, allowing us to cover the dynamic range the signal and noise.
      
It is shown that the instantaneous frequency of the reflected pulse signal may substantially differ from the rated frequency of a piezoelectric transducer for different types of reflectors.
      
更多          
  pulse signals
A data acquisition system containing up to four multichannel galvanically insulated modules capable of recording the shapes of single pulse signals is described.
      
It contains eight four-channel modules that record the shapes of single pulse signals, a controller module of the system bus of the crate, a fiber-optic communication line, and an interface card for connection to the ISA bus of a personal computer.
      
Characteristics of pulse signals transmitted in a multichannel information speed system widely used in physical setups of the State Research Center Institute of High-Energy Physics on a 70-GeV accelerator are studied.
      
A method of frequency measurements of pulse signals in the millimeter/submillimeter wavelength region, including signals with a pulse duration shorter than 10 μs and a repetition rate of 0.1 Hz, is considered.
      
Investigation on the automatic parameters extraction of pulse signals based on wavelet transform
      
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