數字響應器 的英文怎麼說

中文拼音 [shǔxiǎngyīng]
數字響應器 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...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 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值,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的新型變壓保護裝置。
  2. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態范圍大,頻率寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感發展的方向,是新一代電力網發展的需要,適電力計量和保護化、微機化和自動化發展的潮流。
  3. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著,專門利用一個章節闡述了dvb - c前端調制系統原理,他們了差錯控制技術、多進制調制( mqam ) 、 nyquist準則與平方根升餘弦濾波、有限沖擊濾波的窗函設計法、多抽樣率信號處理包括(整倍內插原理、分倍抽樣率轉換、網路結構的等效結構、濾波的多相表示、內插的多相表示、抽樣率轉換的多級實現) 、分散式演算法、 cic濾波、直接頻率合成( dds ) 、 cordic演算法。
  4. The digital audio processors produced by ti provide home audio system and pc audio system with enrich sound for customers, and make low price high quality become possible it ' s obvious that it has a fine prospect

    Ti的專用dsp音頻處理為消費者提供音質豐富且更清澈的家用音設備和pc音頻系統。使到廉價得到高音質成為可能,可見用前景非常廣闊。
  5. Experiments on the gas flow patterns in the flowmeter prove that the algorithm used in arm digital gas mass flowmeter is capable of significantly improving the sensitivity of the heat sensor, hence superior in terms of the measurement of gas mass flow

    並將此演算法用於以arm處理為核心的式氣體質量流量計中實驗證明,該方法能夠明顯改善熱式傳感的動態速度,實現其快速補償。
  6. Take testing the typical circuit of vs1 - based control board for example, we discuss in detail the principles and methods of using the so - called system to test the breakdown

    重點介紹利用示波和計算機系統組成的故障測試系統對工業設備動態過程的檢測方法。
  7. This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design

    首先進行了方案論證,對模糊控制演算法和pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析,提出用模糊控制和雙余法解決下述問題,即該論文主要的新見解和所完成的工作: ( 1 )為了克服直流電機參時變性和非線性因素對控制性能的影,本設計中,雙閉環調速系統的外環採用模糊控制,內環採用pi控制,使系統在一定范圍內對直流電機參變化和非線性因素影有自適能力; ( 2 )針對常規觸發演算法中觸發脈沖的可靠性不高,經常出現漏脈沖或是脈沖混亂的情況,本文採用雙余法,該演算法具有快,可靠性高,具有良好的適性及抗干擾能力; ( 3 )本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶元,用該晶元完成系統的軟硬體設計: ( 4 )本文對系統抗干擾的軟硬體措施進行了重點研究; ( 5 )設計了具有模糊控制的全直流傳動系統原理樣機,並進行了試驗驗證,對試驗過程中出現的問題及時解決,最終實驗結果證明設計是可行的。
  8. 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,具有很高的實用價值。視頻服務( 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,因此視頻服務的設計是分散式多媒體領域的重要研究課題。
  9. Along with silicon ulsi technology has seen an exponential improvement in virtually any figure of merit, as described by moore ’ s law ; the miniaturization of circuit elements down to the nanometer scale has resulted in structures which exhibt novel physical effects due to the emerging quantum mechanical nature of the electrons, the new devices take advantage of quantum mechanical phenomena that emerge on the nanometer scale, including the discreteness of electrons. laws of quantum mechanics and the limitations of fabrication may soon prevent further reduction in the size of today ’ s conventional field effect transistors ( fet ’ s )

    隨著超大規模集成電路的的發展,半導體硅技術非常好地遵循moore定理發展,電子件的特徵尺寸越來越小;集成電路的晶元的集成度越來越高,電子件由微米級進入納米級,量子效件工作的影變的越來越重要,尺寸小於10nm將出現一些如庫侖阻塞等新特性。量子效將抑制傳統晶體管fet繼續按照以前的規律繼續減小。在這種情況下,宏觀的件理論將被替代,可能需要採用新概念的晶體管結構。
  10. On core service, we implement an access control strategy based on role, digital signature and encryption / decryption of soap message by using usbkey hardware, stateful web service through extending simple object access protocol ( soap ), and a kind of log management based on rank. on transport adaptering, we implement mechanisms for priority - based transmitting and rules - based transmitting, and implement a transport adapter based on http request / response model. finally, on service adaptering, we discuss two service wrapper mechanisms : runtime wrapper mechanism and factory method wrapper mechanism, which can be used to encapsulate difference of various web service containers, and implement a service adapter

    在核心服務方面,通過擴展簡單對象訪問協議( simpleobjectaccessprotocol , soap )實現有狀態的web服務,然後討論了基於角色的訪問控制與基於usbkey盤的soap消息的簽名與加密的實現、基於分級的日誌處理模型的實現;在傳輸適配方面,實現了基於優先級和基於規則的消息轉發機制,實現了基於http請求/模型的傳輸適配;在服務適配方面,討論了兩種服務的封裝機制:運行時封裝機制與工廠方法封裝機制,結合這兩種機制並對服務適配做了實現。
  11. An attempt is made to explore self - induced emf in theory by a quantitative means, and to demonstrate the corresponding contents or its experimental design by using the instruments such as voltage effect and digital oscillograph

    摘要用定量研究的方法,從理論上對影自感電動勢產生和測量的因素進行了探討分析,同時用「電壓效」和示波等儀對相內容進行了演示或驗證性實驗。
  12. 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,建立了石油測井儀的可靠性系統模型,探討了石油測井儀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可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀的穩定工作時間( 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;從獲取平穩段真值、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。
  13. In this paper, according to the theory of signal detection and estimation, the optimal receiver pattern of pn code signal is introduced and theoretically, the relation curve of the probability of the correct detection with the input s / n ratio under the different probabilities of false alarm is illuminated

    根據信號的檢測和估計理論,文中分析了相關實現偽碼信號接收的最佳模型,從理論上計算了在不同的虛警概率下,檢測概率隨輸入信噪比的變化曲線,並分析了doppler效對偽碼相關接收的影
  14. Compared with digital integrator composed of reversible counter, the trapezoidal formula digital integrator is utilized in integrating element of phase - lock controller, it has advantages in simple realization, fast transient response, wide lock range, insensitivity to disturbance

    對鎖相控制的積分環節採用了梯形公式積分,與可逆計構成的積分相比,梯形公式積分具有實現簡單、動態快、入鎖范圍大、抗擾動能力強等優點。
  15. 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值及階躍曲線,模擬結果對製作模擬控制控制有一定的借鑒作用。
  16. By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately

    論文深入地分析了高壓線路故障暫態電流行波的波折、反射過程以及折、反射系的特點,提出了新的單端行波故障測距方法,它不僅能夠有效地識別出測距所用的反射波,而且幾乎不受線路結構、長短、故障接地電阻、故障類型、系統阻抗的影,在近區仍可以準確地進行測距;同時模擬阻波的特徵,設計了低通濾波,對通過了低通濾波的暫態故障電流行波再次進行小波分析,並利用本文提出的單端行波故障測距方法進行故障定位,結論是所提出的測距方法在實際用中仍是有效的。
  17. Fir filters with special frequency responses are designed using a modified adaptive design approach for a practical broadband low sidelobe level beamforming problem in time domain

    採用改進的fir濾波自適設計方法,設計了具有特殊頻率結構的fir濾波
  18. The simulation result is about the output - velocity characteristic of the m otor proving that fuzzy - adjustable - pid control strategy is superior to traditional pid control strategy and the validity of the digital controller ' s calculation

    通過模擬分析,得到了馬達輸出轉速的動態,證明了模糊自整定pid控制效果要優于傳統pid控制、控制選用演算法合理。
  19. Computer simulation results show that the beamspace wsf algorithm retains the super performance of its element space counterpart when applied to the beam outputs of some practical acoustic - receiving array. 3. an improved form of classical time domain broadband beamforming is proposed by combining digital delay lines and fir filters

    提出了對經典時域寬帶波束形成的改進方法,採用延遲線和fir濾波結合的方式實現時域波束形成,以消除波束畸變並實時實現結構特殊的空間頻率
  20. 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值,為開卷機張力控制系統提供準確的參
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