waveform characteristic 中文意思是什麼

waveform characteristic 解釋
波形特性
  • waveform : 波浪形態
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  1. The relation is given by the target strength and waveform mutational with dividual angle and incident angle. the experiment on the intelligent underwater sail in a water tank is tested, the valuable laws of multistatic target distribution characteristic are obtained

    完成了非入射方向模擬目標智能航行器聲散射特性的水池實驗,給出了目標回波的強度和波形隨聲波入射角和分置角的變化關系。
  2. The imposition of a curved phase characteristic reduces the peak amplitude of the waveform.

    曲線形相位特性減小了波形振幅峰值。
  3. Analysis of the characteristic of monocycle waveform in coal mine uwb communication system

    礦井超寬帶通信系統中單脈沖波形特性分析
  4. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析,變頻器輸出的電壓波形諧波大,沖擊大,電壓上升率高達6600v / s ,是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,起動次數相當頻繁,每小時高達600 - 800次,沖擊負荷大,過載能力要求較高。
  5. Abstract : with a view of time - varying characteristic of the v ibration signal measured on reciprocating machinery and a brief introduction to the wavelet analysis and a nonlinear wavelet denoising theory, the paper makes an approach, by taking an triplex pump widely used in heavy machinery as an exa mple, on the waveform feature extraction which reflects the various conditions o f reciprocating machinery with nonlinear wavelet denoising analysis method

    文摘:針對往復機械振動信號的非平穩時變特點,本文在簡述小波分析及非線性小波消噪理論的基礎上,以重型機械使用的三缸泵為例,研究了用非線性小波消噪方法提取往復機械狀態下的波形特性。
  6. The factors which influenced the process include the insulator ' s material, structure, the distribution of space electrical field, the way to deal with the surface, the characteristic of voltage waveform, pulse width etc. there are two kinds of theory for the vacuum surface flashover : secondary electron emission avalanche ( seea ) and electron triggered polarization relaxation ( etpr )

    影響該過程的因素包括絕緣材料結構、空間電場分佈、表面處理方法、所加電壓特徵,脈沖寬度等。研究真空表面閃絡過程有兩類理論:二次電子發射崩潰( seea )和電子引發極化鬆弛( etpr ) 。
  7. This dissertation mainly studies the pulse compression waveform designing and signal processing, including the following aspects : firstly, by the pulse compression basic theory, the linear frequency modulation signal ( lfm ), binary phase - coded signal ( bc ) and stepped - frequency ( sf ) signal are discussed respectively including the ambiguity function, pulse compression and spectrum characteristic

    本文主要進行脈沖壓縮雷達波形設計以及信號處理方面的研究,主要體現在以下幾個方面:首先,從脈沖壓縮基本理論出發,分別給出了線性調頻、二相編碼和頻率步進信號的模糊函數、脈沖壓縮以及頻譜特性,對多普勒性能進行了簡要分析。
  8. Secondly, this dissertation analyses the method of waveform designing and processing for three hybrid pulse compression signals. the combined signals are improved on the characteristic than the single modulation mode

    其次,本文分析了三種組合脈沖壓縮信號的設計和處理方法,合成信號的性能較以前的單一信號有很大改善。
  9. The pulse width trigger circuit, trigger delay circuit are discussed. and a new kind of peak detection module which is implemented by verilog hdl in fpga and greatly enhances the performance of catching glitch is discussed in the dissertation. the waveform recorder function accomplished in the scopemeter can test, monitor slow analog signals and record the characteristic value of signals continuously for a long time

    本文討論了脈寬觸發電路和觸發釋抑電路的實現,採用veriloghdl在fpga中實現了一種峰值檢測模塊,提高了示波表的毛刺捕捉能力,設計的波形記錄( recorder )功能模塊能夠對輸入的模擬信號進行長時間連續不斷的采樣量化,並記錄波形數據和及時送顯示。
  10. First, this dissertation analyses the waveform of chirp - subpulse stepped frequency signal, studies and simulates the ambiguity characteristics, the spectrum structure and the basic process to obtain high resolution range profiles, and discuss this signal ’ s high range resolution characteristic and wide spectrum characteristic

    首先,本文對chirp子脈沖頻率步進信號進行了波形分析,研究了chirp子脈沖頻率步進信號的模糊特性、頻譜結構以及合成高分辨距離像的基本過程,討論了chirp子脈沖頻率步進信號的高距離分辨力和寬帶頻譜特性。
  11. With a view to time - varying characteristic of the vibration signal measured on triplex reciprocating pump, an approach on the waveform feature extraction which reflects the various conditions of reciprocating pump with nonlinear wavelet de - noising analysis method is presented

    針對三缸往復泵測量信號非平穩時變特點,研究了用小波消噪方法提取反映往復泵動力端狀態的振動波形特徵。
  12. The twelve kinds of modes and equivalent circuits within one high frequency switching period are carefully analyses. by using the state - space averaging approach, the converter ' s averaging model is presented, the output characteristic curve and design criterion of key circuit parameters such as output voltage, filtering inductance, common conduction time, uni - polarity spwm waveform ' s duty cycle etc are given

    詳細分析了這類變換器在一個高頻開關周期內的十二個工作模式及其等效電路。採用狀態空間平均法建立了變換器平均模型,獲得了輸出電壓、濾波電感電流、共同導通時間、單極性spwm波占空比等關鍵電路參數的設計準則和變換器的外特性曲線。
  13. This device can not only on - line monitor all kinds of parameters of moa in serve, but also display resistive current waveform, lisaru curves, and ac volt - ampere characteristic curves

    該裝置能夠完成對moa各項參數的在線監測,而且還能顯示阻性電流波形、李薩如曲線、交流伏安特性曲線。
  14. Device interface component can shield low - level hardware, thus achieves the separation of top application design and bottom hardware, and implements the waveform application characteristic of platform - independence, portability and versatility

    設備介面組件對底層硬體的屏蔽能夠實現上層應用設計與底層硬體的分離,從而實現軟體波形的跨平臺性、可移植性和通用性特點。
  15. So the conceptions of " characteristic variable " and " characteristic model " are presented here, and with them as a clue, the paper focuses on collecting and summarizing the characteristic variable which can indicate system ' s state and performance, physical meaning of the variables are discussed also. the characteristic variable includes : stability - monitoring variable, characteristic variable based on time - domain performances, output waveform variable, parameter variable and circumstance variable

    為此,本文提出特徵量和特徵模型的概念,並以此為思想主線,重點研究了能夠表徵系統性能的特徵量及其意義,引入了系統穩定性監控的特徵量、與控制指標相關的特徵量、輸出波形特徵量、參數特徵量及環境特徵量。
  16. In the wi coder, the speech signal is represented by an evolving characteristic waveform ( cw ). the cw is decomposed into a slowly evolving waveform ( sew ) and a rapidly evolving waveform ( rew ), representing the quasi - periodic and non - periodic components of speech, respectively

    Wi編碼器將語音信號表示為漸變的特徵波形( cw ? characteristicwaveform ) ,然後將其分解為慢漸變波形( sew ? slowlyevolvingwaveform )和快漸變波形( rew ? rapidlyevolvingwaveform ) ,分別表示語音的準周期成分和類噪聲成分。
  17. Three characteristic features, such as average velocity of sound, deviation coefficient of sound velocity, and deviation coefficient of amplitude are extracted from four kinds of testing data which are sound velocity, amplitude, frequency and waveform in this paper. fuzzy analysis and artificial neural network are combined to form an intelligent system with similar functions to human brain to classify grc, aerated concrete, hollow brick, solid brick and concrete block. the accuracy of this system is up to 95 % in field tests

    由超聲脈沖法獲得4種檢測信息聲速、波幅、頻率和波形,從中提取3個特徵量:平均聲速、聲速的離差系數和波幅的離差系數,利用模糊分析方法和人工神經網路相結合對grc 、加氣混凝土、空心磚、實心磚、砌塊5種墻體材料進行種類識別,形成一個智能化的、具有類似人腦功能的系統.經現場實測證明,判別的準確率達95 %以上。
  18. The waveform analytical method can he used to develop the geologic model for the carbonate reservoir in tahe field with heterogeneity and anisotropic property in its pore configuration, to research the omnidirectional feature and synthetic mechanism of seismic waveform, to gain the relations between carbonate reservoir characteristic by means of drilling and logging data, and finally to make a prediction of the growing degree of the reservoir

    摘要以塔河油田碳酸鹽巖儲集層的孔隙空間結構所特有的非均質性和各向異性為出發點建立地質模型,研究波形的全方位特徵及合成機理,依據鉆井、測井等資料,建立碳酸鹽巖儲集層特徵與地震響應之間的對應關系,從而根據地震波的波形對儲集層的發育程度作出預測。
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