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数字频谱
相关语句
  digital spectrum
    Analysis and Application of Digital Spectrum of Ultrasonic Testing System
    超声检测系统数字频谱特性分析及应用
短句来源
    Using time-frequently analysis and visualization, the dissertion analyses probe's characteristics in frequency and acoustic field, and then constructs the system of digital spectrum analysis and acoustic field scan, measures and evaluates characteristics of frequency and ultrasonic acoustic field on the foundation of equipment " Automatically Ultrasonic Water-logging test system with C scans " developed independently.
    本论文以水浸超声探头为研究对象,对探头的频率和声场特性进行分析,并在自主开发“水浸超声C扫描自动检测装置”的基础上,运用时频域分析技术和可视化技术,构建超声数字频谱分析系统和超声声场扫描系统,实现对超声探头的频率特性和声场特性参数进行测定。 本文主要研究内容如下:
短句来源
    The theory and application of ultrasonic digital spectrum was analyzed. Though signal sampling,A/D transformation, and time-frequency transformation, spectrum parameter produced by ultrasonic response was obtained.
    阐述了超声信号数字频谱分析的原理和实施方法, 通过信号采样、A/D转换、时频变换等可获得超声回波频谱特性参数。
短句来源
    This article is to describe the pr in ciples and approaches of ultrasonic digital spectrum of signaling. Ultrasonic sp ectrum parameter is obtained by signal sampling, A/D switch and time-frequency transformation.
    阐述了超声信号数字频谱分析的原理和实施方法 ,通过信号采样、A/D转换、时频变换等可获得超声回波频谱特性参数。
短句来源
  digital spectrum
    Analysis and Application of Digital Spectrum of Ultrasonic Testing System
    超声检测系统数字频谱特性分析及应用
短句来源
    Using time-frequently analysis and visualization, the dissertion analyses probe's characteristics in frequency and acoustic field, and then constructs the system of digital spectrum analysis and acoustic field scan, measures and evaluates characteristics of frequency and ultrasonic acoustic field on the foundation of equipment " Automatically Ultrasonic Water-logging test system with C scans " developed independently.
    本论文以水浸超声探头为研究对象,对探头的频率和声场特性进行分析,并在自主开发“水浸超声C扫描自动检测装置”的基础上,运用时频域分析技术和可视化技术,构建超声数字频谱分析系统和超声声场扫描系统,实现对超声探头的频率特性和声场特性参数进行测定。 本文主要研究内容如下:
短句来源
    The theory and application of ultrasonic digital spectrum was analyzed. Though signal sampling,A/D transformation, and time-frequency transformation, spectrum parameter produced by ultrasonic response was obtained.
    阐述了超声信号数字频谱分析的原理和实施方法, 通过信号采样、A/D转换、时频变换等可获得超声回波频谱特性参数。
短句来源
    This article is to describe the pr in ciples and approaches of ultrasonic digital spectrum of signaling. Ultrasonic sp ectrum parameter is obtained by signal sampling, A/D switch and time-frequency transformation.
    阐述了超声信号数字频谱分析的原理和实施方法 ,通过信号采样、A/D转换、时频变换等可获得超声回波频谱特性参数。
短句来源
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  digital spectrum
Recording of the γ-ray spectra was done with and without digital spectrum stabilization.
      
In this work, we have compared throughput, peak resolution and peak stability found in two Canberra 2060 Digital Spectrum Processors with a conventional analog processing setup in our laboratory.
      
Application of a digital spectrum analyzer in data list mode allows for easy determination of the half-life.
      
The resonant low-pass filter application demonstrates that analog transfer functions with bounded spectrums can be converted to accurate digital spectrum counterparts without pole-zero decompositions.
      
Experimental eigenvalues of both square and rectangular clamped flat plates were measured using digital spectrum analysis.
      
更多          
  digital spectrum
Recording of the γ-ray spectra was done with and without digital spectrum stabilization.
      
In this work, we have compared throughput, peak resolution and peak stability found in two Canberra 2060 Digital Spectrum Processors with a conventional analog processing setup in our laboratory.
      
Application of a digital spectrum analyzer in data list mode allows for easy determination of the half-life.
      
The resonant low-pass filter application demonstrates that analog transfer functions with bounded spectrums can be converted to accurate digital spectrum counterparts without pole-zero decompositions.
      
Experimental eigenvalues of both square and rectangular clamped flat plates were measured using digital spectrum analysis.
      
更多          


The theory and application of ultrasonic digital spectrum was analyzed.Though signal sampling,A/D transformation, and time-frequency transformation, spectrum parameter produced by ultrasonic response was obtained.The factors of spectrum that influence system characteristic were analyzed,it is of great importance to the establishment of analysis system of high-quality signal.

阐述了超声信号数字频谱分析的原理和实施方法, 通过信号采样、A/D转换、时频变换等可获得超声回波频谱特性参数。同时, 分析了影响系统频谱特性的因素, 对组建高性能超声数字信号分析系统很有意义。

This article is to describe the pr in ciples and approaches of ultrasonic digital spectrum of signaling. Ultrasonic sp ectrum parameter is obtained by signal sampling, A/D switch and time-frequency transformation. Flaw classification is realized successfully through the ultraso nic spectrum analysis. The research proves that ultrasonic spectrum technology w ill promote the reliability of testing results.

阐述了超声信号数字频谱分析的原理和实施方法 ,通过信号采样、A/D转换、时频变换等可获得超声回波频谱特性参数。利用超声频谱分析法成功地实现了缺陷的分类 ,试验结果表明 ,超声频谱分析技术可提高检测结果的可靠性

 
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