數字響應值 的英文怎麼說

中文拼音 [shǔxiǎngyīngzhí]
數字響應值 英文
digital response
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
  1. In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

    式保護中,如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增,本文對此進行了分析並提出了用分段樣條函最小二乘法來計算電流波形的導,以便在提高采樣率的同時降低噪聲誤差的影,並將其用於基於32位浮點dsp的新型變壓器保護裝置。
  2. The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )

    軟體的處理功能包括:濾波、時域加窗、自相關與互相關處理、均和方差計算、概率密度和概率分佈函計算;在快速傅立葉變換( fft )基礎上計算自功率譜、互功率譜、頻率、相干函、倒頻譜分析;基於短時傅立葉變換( stft )的聯合時頻分析等。
  3. Gets the response code numeric value

    得到碼(
  4. Vod ( video on demand ) system can be widely used in many fields, such as long distance education, digital library, news on demand, tv on demand and etc. video server is the key part of vod system, whose performance has direct effect on the service quality of vod system

    視頻點播系統可以廣泛地用於遠程教學、圖書館、新聞點播、電子商貿、電視點播等文化、商業及娛樂的各種領域,具有很高的實用價。視頻服務器( videoserver )是視頻點播系統中最關鍵的組成部分,它的性能直接影視頻點播系統所提供的服務質量,因此視頻服務器的設計是分散式多媒體領域的重要研究課題。
  5. Based on the mathematical model for analyzing the seismic responses of submerged tunnels proposed by choshiro tamura and shunzo okamoto, the analytical model for calculating the stochastic earthquake responses of the whole underground structure was proposed and the formulas for evaluating the stochastic characteristics of the underground structural seismic responses were derived. the dynamical mean - square responses of the nanjing changjiang tunnel under gauss stationary random process were calculated. 3

    2將日本田村重四郎?岡本舜三提出的沉埋隧道地震反分析的學模型用於地下結構隨機地震反分析,利用分析方法建立了隧道整體隨機地震反分析的學模型,得到了地下結構整體隨機地震動力特徵的學表達式,為地下結構整體隨機地震反分析及動力可靠度的研究提供了一種分析途徑。
  6. Chapter 4 : the influence of different phase - shifting angle of reference wave in recording, of the phase - shifting error and of the quantization error on the quality of the reconstructed image is investigated respectively in two - step phase - shifting inline digital holography. and an effective method of eliminating the phase - shifting error is presented, in which the summation of the intensity bit errors of the reconstructed image is taken as an evaluation function for an iterative algorithm to find the exact phase - shifting value. the feasibility of this method is demonstrated by computer simulation

    通過分析不同相移角的選取對再現像的強度誤差的影,發現再現像強度誤差依賴于記錄時相移角的選取,當相移角在一定范圍內,其再現像的強度誤差相對較小;提出了一種有效消除相移誤差的新方法,並將其用於二步同軸相移全息,對此進行了計算機模擬,得到了很好的結果,證明該方法對于相移誤差的消除是很有效的;對量化誤差所作的模擬發現,當信號被量化成8比特( bit ) ,即256個灰度級以上,量化噪聲的影相對較小。
  7. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了濾波的基本理論、濾波方法的概況,並進行了分析;對伽瑪信號濾波效果的影因素及其對測井曲線的影進行了基本分析;從獲取平穩段真、地層邊界的檢測與處理兩個方面,建立了濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相濾波方法及效果評價方法;探討了自然伽瑪信號濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分濾波方法的定量研究,給出了靈活可選的濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井據進行濾波處理。
  8. Then, from the expressions of structural random response of the frequency domain, the computational expressions of the mean value, variance and variation coefficient of the mean square value of the structural displacement and stress response under the stationary random excitation or non - stationary random excitation are developed by means of the random variable ’ s

    在此基礎上,從隨機振動頻域分析出發,導出了在平穩或非平穩隨機激勵下,隨機結構的位移均方均方特徵計算表達式,通過算例驗證了所建模型和所提求解方法的正確性和有效性。
  9. Through simulation and calculating the four models, the influence on proportion coefficient, integral time constant, derivative time constant and partial feedback coefficient for system performance is analyzed. the ideal reference value of every parameters and step respond curves are given. the simulation result may be used as reference for making analogue controller or digital controller

    通過對這四種模型的模擬研究,分析了各模型中比例系、積分時間常,微分時間常及局部反饋系對系統性能的影,並給出了各參較為理想的參考及階躍曲線,模擬結果對製作模擬控制器及控制器有一定的借鑒作用。
  10. All the results of axial and radial deformation measurement by digital image processing technique and those by traditional method are compared. the differences of the soil parameters on duncan and chang ' s nonlinear model made by these two methods are analyzed. finally, a compress test results and fem results are provided to show the reasonability and veracity of digital image processing technique to study the soil stress - strain characteristic in triaxial test

    ( 2 )三軸試驗土樣局部變形研究:首先定量比較了三軸試樣沿高度方向不同位置的局部變形(局部徑向變形與局部軸向變形)大小,分析了三軸試樣局部變形的特點和影因素;然後把三軸試樣圖像測量結果與傳統測量結果進行比較,以鄧肯張非線性模型為例進行了模型參的整理,分析了兩種不問測量方法引起的參差異:最後用原型壓縮試驗對比有限元計算結果,驗證了圖像測量方法得到的三軸試驗土體變參的合理性和準確性。
  11. In the point of - information theory ; - the - baseband binary pulse amplitude modulated ( pam ) signal transmission, via turning the nonlinear receiver ' s parameters, is studied over an additive white gaussian noise ( awgn ) channel. it is demonstrated that the channel capacity of binary communication systems, for a given signal added noise, can be maximized by optimal designed receivers. this new form of sr is referred to as psr in a broad sense

    本文研究並設計了含有雙穩態隨機共振系統作為一個接收裝置的基帶通信系統,在加性高斯白噪聲通道中,通過研究這個非線性接收器的性能,發現了信號傳輸中存在的參調節隨機共振現象?通道容量隨著系統速度的增加具有一個共振峰,並對這種非線性現象發生的基本機理進行了解釋。
  12. Comparing with the image watermarking, the audio watermarking have a few characteristics : 1. comparing with the visual media, audio frequency signal has less sampling points at every time interval. 2. owing to human audition systems, it is more sensitive than human vision systems, therefore, it is more trouble to realize the imperceptibility of audition compared to the vision systems. 3. to stick up to the cut attack, embedded watermark should keep synchronization. 4. because of the bigger memory payload of audio frequency signal, the initial audio frequency signal must be removed during the extract in order to protect the maneuverability of project

    水印技術是近幾年來學術界興起的一個前沿研究領域,提高演算法的魯棒性、安全性、實用性是水印的研究方向。本文提出的基於可視密碼術的小波域下量化系的魯棒性音頻水印方案,其優點在於利用小波變換的多解析度特性在保證水印魯棒性的同時使水印對原始音頻信號的影達到最小,採用量化系的方法嵌入水印信息實現了盲水印,提高水印的工程用價
  13. Some typical luminance and chrominance measurement instruments will be mentioned in this chapter, too. chapter three will focus on the global structure of this system and analyze the select of detector and processor. also, the difference between relatively spectrum response of the cmos image sensor - ov7620 and cie standard observer relatively spectrum response will be given in this chapter

    第三章闡述了本系統的總體結構,對本系統的cmos圖像傳感器和核心處理器? ?信號處理器( dsp )的選擇做了詳細的分析,並且給出了本系統所使用的傳感器? ? ov7620的光譜相對曲線與cie標準觀察者三刺激曲線的差異。
  14. For the analog low - gain displacement - type records, two horizontal - component records of a m7. 1 aftershock of tangshan earthquake, july 28, 1976, in tai ' an seismic station are used as the example to show the procedures of digitizing, arc - shape correction, baseline correction, equal - interval interpolation and instrument response correction. the reliability of the analog low - gain displacement - type records for long period study is also discussed. in order the database to have a better magnitude - distance distribution, a method to estimate the long period response spectrum values from earthquake magnitude definition is developed

    對于模擬式低放大倍位移記錄,以泰安地震臺的513型中強地震儀所記錄的1976年7月28日唐山地震的7 . 1級餘震兩個水平分向的記錄圖為例,詳細說明了對記錄圖化、弧型校正、基線校正、等距插、儀器校正等步驟,計算了周期t 10s的反譜,分析了它們的可靠性。
  15. It is a kind of module based on vxi bus. because the module can generate digital excitation and acquire digital response and compare with value that has been preset with realtime hardware, it covers mostly test in digital field

    它是一款基於vxi總線的模塊,可以根據用戶編輯的測試矢量文件產生激勵、採集,並硬體實時與預設進行比較,基本覆蓋了領域的測試要求。
  16. By means of high speed digital controller many disturbances, such as the slip, can be diminished significantly and the coil diameter can be determined accurately

    藉助高速控制器的用,通過此種方法可以有效地減小如滑移等各種干擾因素的影,得到準確的鋼卷直徑實時,為開卷機張力控制系統提供準確的參
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