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   瞬时信号 的翻译结果: 查询用时:0.061秒
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瞬时信号     
相关语句
  transient signal
     Transient Signal Detection Technology Based on Bilinear Time-Frequency Distribution
     基于双线性时间-频率分布的瞬时信号探测技术
短句来源
     The function of testing transient signal of RTSA can provide display performance insight and analysis capability that can't be provided by other analyzer.
     RTSA的瞬时信号测试功能可以提供其他分析仪上无法提供的显示性能洞察力和分析能力。
短句来源
     Studies on the Method of Revolution Tracing Analysis for Improving the Accuracy in Processing Torsion Vibration Transient Signal
     提高轴系扭转振动瞬时信号分析精度的转速跟踪分析方法的研究
短句来源
     Transient Signal Collecting and Processing Software for Coupling of High-performance Liquid Chromatography With Inductively Coupled Plasma Atomic Emission Spectrometry and Its Applications
     高效液相色谱-电感耦合等离子体发射光谱联用的瞬时信号采集和处理软件及实际应用
短句来源
     Software Development of Multi-element Transient Signal Acquisition and Processing with Multi channel ICP-AES
     多道ICP-AES多元素瞬时信号检测、处理集成软件的开发
短句来源
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  transient signals
     Application of the Morlet Wavelet transform tO Detection of transient Signals
     Morlet小波变换在检测瞬时信号中的应用
短句来源
     Detection of Transient Signals Using Wavelet Transform
     利用子波变换检测瞬时信号
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     The precipitate-based ISEs response to interfering ion with nonmonotonic overshoot-type transient signals were studied by activity step method.
     用活度阶梯法研究了沉淀基离子选择电极(ISEs)对干扰离子活度阶梯响应双峰瞬时信号的机理。
短句来源
     Based on wavelet transform,a new method for detecting transient signals has been proposed.
     本文提出一种基于子波变换的检测瞬时信号的方法。
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     It gives a new seminorm to solve the problem in motivating transient signals robust H∞control to persistent signals. The problem is, that the signal space defined with A seminorm is not a liner space.
     通过引入新的范数解决了瞬时信号鲁棒H∞控制理论向持续信号鲁棒H∞控制推广过程中A半范定义的信号空间是非线性空间问题。
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  instantaneous signal
     Then proposes a method to detect the arrival time of instantaneous signal and the frequency composition under strong noise background.
     提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。
短句来源
     According to the excellent time frequency localization analysis properties of the wavelet packet, this paper discribes the distribution of the instantaneous signal quantitatively in time frequency space by introducing the threshold entropy.
     根据小波包变换具有的优良时频分析能力 ,通过引入阈值熵来定量地描述瞬时信号在时频空间中的分布。
短句来源
     According to the excellent time frequency localization analysis properties of the wavelet packet,this paper discribes the distribution of the instantaneous signal quantitatively in time frequency space by introducing the ∞-norm. Then proposes a method of noise cancelling and spectral analysis of instantaneous signal.
     基于小波包变换的优良时频分析特性 ,通过引入子频带的∞—范数来定量地描述瞬时信号在时频空间中的分布 ,提出了瞬时信号去噪和频谱分析的新方法。
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     This dissertation presents valuable algorithms based on the research on high resolution analysis of periodic signal, parameter estimation, wavelet analysis for power measurement and instantaneous signal detection, wavelet application for signal processing in radar.
     本文着重研究了周期信号高精度分析、信号参数快速估计、基于小波分析的信号测量和瞬时信号检测、小波分析在雷达信号处理中的应用等,主要贡献包括:
短句来源
     Thesecond section aimed at the detection of the instantaneous signal, which is transient,unstable and difficult to predict its waveform type and occurring time mixed in thenoise.
     瞬时信号的检测,即在噪声中检测短时、非平稳、波形和到达时间未知的信号。
短句来源
更多       
  instantaneous signals
     Noise Cancelling and Spectral Analysis of Instantaneous Signals Based on Orthogonal Wavelet Packet
     基于小波包的瞬时信号去噪与频谱分析
短句来源
     This paper discusses the time frequency features and wavelet transform features of instantaneous signals and noise.
     本文分析了瞬时信号及噪声的时频特性和小波变换特性。
短句来源
     The simulation indicated that the new methods have better approximate capacity of non-linearity and can detect instantaneous signals in hyperchaos or clutter.
     仿真结果显示,本文提出的自适应预测滤波模型具有很强的非线性近似能力,可以检测淹没在超混沌或杂波环境中的瞬时信号
短句来源

 

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  transient signal
It is discovered that the peak height of the transient signal is related to the solubility of M(OH)2 and hydration heat of M2+.
      
The relation between the positive peak height of transient signal of pb2+ or cd2+ and lgam obey the Nernst equation, while that of Ca2+ or Mg2+ does not.
      
The measurement of a small transient signal superposed on a large electric current
      
component) are usually used to measure a small transient signal superposed on a large electric current.
      
A new method of bispectral estimation for transient signal
      
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  transient signals
The transient signals of welding voltage and current during the welding process are sampled and processed by statistical analysis methods.
      
These results suggest that GABAA, and GABAC receptors may be respectively involved in mediating the transmission of sustained and transient signals in the carp inner retina.
      
In this letter, the communication transmitter transient signals are analyzed based on the time-variant hierarchy exponents of multifractal analysis.
      
The experimental results show that the multifractal character of transmitter transient signals is an effective character of individual transmitter identification.
      
Turbulenz und High Intensity Transient Signals (HITS) als Parameter für die optimale Orientierung mechanischer Herzklappen
      
更多          
  instantaneous signal
Calculation of eddy covariances in the atmospheric surface layer (ASL) requires separating the instantaneous signal into mean and fluctuating components.
      
Closed-form expressions are derived for the probability density functions (PDFs) of the instantaneous signal-to-interference power ratio (SIR) at the output of the MRC for the three interference models.
      
Evaluating the performance of pulse and oscilloscope measuring instruments by the accuracy of instantaneous signal measurements
      
The methods are based on scanning the instantaneous signal values with the aid of program-controlled dc voltage levels varying in uniform and nonuniform steps.
      
As the slider is moved to the right, the average is computed from longer and longer periods of the instantaneous signal.
      
更多          
  instantaneous signals
However, in the wake region, some of the instantaneous signals are similar to one another and to the ensemble averaged wake, but others differ significantly.
      
Finally, we note that, contrary to what is generally claimed, nonlocal collapse models which agree in all circumstances with quantum theory do permit instantaneous signals to be sent over arbitrarily large distances.
      
Helmholtz Theorem and the V-Gauge in the Problem of Superluminal and Instantaneous Signals in Classical Electrodynamics
      
Comment on "Helmholtz Theorem and the V-Gauge in the Problem of Superluminal and Instantaneous Signals in Classical Electrodynam
      
Reply to 'Comment on "Helmholtz Theorem and the V-Gauge in the Problem of Superluminal and Instantaneous Signals in Classical El
      
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  其他


The paper describes a seam tracking sensor with a signal source of modulated infrared beam. The disturbance of arc light can be eliminated effectively by filtering and "adaptive elimination of noise"processing of the recieved signal. The instantaneous signal amplitude can be increased due to the impulse drive characteristic of the infrared source, the adaptability to the surface condition of the workpiece can be thus improved. The sensor is simple, light--sized and highly sensitive. It can realize the seam tracking...

The paper describes a seam tracking sensor with a signal source of modulated infrared beam. The disturbance of arc light can be eliminated effectively by filtering and "adaptive elimination of noise"processing of the recieved signal. The instantaneous signal amplitude can be increased due to the impulse drive characteristic of the infrared source, the adaptability to the surface condition of the workpiece can be thus improved. The sensor is simple, light--sized and highly sensitive. It can realize the seam tracking in horizontal and vertical directions at the same time and can be used in both submerged and open arc welding with proper accuracy.

叙述了一种以脉冲调制的红外光束为信号光源的焊缝跟踪传感器。通过对接 收信号的滤波及“自适应消噪”处理,可以有效地克服电弧光的干扰;利用光源的脉冲 驱动特性,加大了瞬时信号功率,改善了光学传感器对工件表面的适应性。传感器结构简 单、体积小、灵敏度高、能同时实现对焊缝在水平及高度两个方向的自动跟踪在埋弧 及明弧自动焊中均能准确地跟踪。

The on-line coupling of high-performance liquid chromatography with inductively coupled plasma atomic emission spectrometry (HPLC-ICP-AES) has been investigated. By modifying the sampling program of the ICAP-9000 instrument, the developed transient signal collecting program can fulfill the requirements of liquid chromatographic detection. The collected data are then transferred from an Apple Ⅰcomputer to an IBM PC 286 one in serial transfer mode. The developed HPLC-ICP-AES technigue has been used successfully...

The on-line coupling of high-performance liquid chromatography with inductively coupled plasma atomic emission spectrometry (HPLC-ICP-AES) has been investigated. By modifying the sampling program of the ICAP-9000 instrument, the developed transient signal collecting program can fulfill the requirements of liquid chromatographic detection. The collected data are then transferred from an Apple Ⅰcomputer to an IBM PC 286 one in serial transfer mode. The developed HPLC-ICP-AES technigue has been used successfully in the speciation of main arsenic species. Its ability for simultaneous multi-element specific detection and diminishing the spectrum interference is also demonstrated.

本文对高效液相色谱-电感耦合等离子体原子发射光谱联用技术进行了研究.对所用ICAP-9000型等离子体原子发射光谱仪的控制采样程序进行了部分修改,采集的数据通过异步串行通讯方式由AppleⅡ微机传送至IBM PC286机进行处理。发展的瞬时信号采集程序能满足HPLC的检测要求,并将这一联用技术成功的用于砷的形态分析.

Based on wavelet transform,a new method for detecting transient signals has been proposed.A class of wavelet basis functions has been introduced to detect transient signals with unknown waveforms and arrival times.By using multiscale wavelet transform, the proposed detector works well under low SNR.The detection statistic based on the wavelet coefficients has been given and the performance of the detector has been evaluated.Theoretical analysis and computer simulations have shown that the proposed scheme is...

Based on wavelet transform,a new method for detecting transient signals has been proposed.A class of wavelet basis functions has been introduced to detect transient signals with unknown waveforms and arrival times.By using multiscale wavelet transform, the proposed detector works well under low SNR.The detection statistic based on the wavelet coefficients has been given and the performance of the detector has been evaluated.Theoretical analysis and computer simulations have shown that the proposed scheme is effective.

本文提出一种基于子波变换的检测瞬时信号的方法。推导出一种适合于检测瞬时信号的子波基函数,并将其应用于检测波形和到达时间未知的瞬时信号。利用子波的伸缩和时移特性,通过对信号做多尺度的子波变换,可以在低信噪比下很好地检测到信号。本文还推导了相应的检测统计量及其统计分布特性;理论分析和计算机模拟结果表明,本方法是有效的,是提高检测性能的一种新途径。

 
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