線性測試信號 的英文怎麼說

中文拼音 [xiànxìngcèshìxìnháo]
線性測試信號 英文
linearity test signal
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  • 測試 : test; testing; checkout; measurement
  1. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。
  2. Four tem - horn antennas have been made. using these antennas two - element rain gutter tem - horn array, two - element stacked tem - horn array, four - element rain gutter tem - horn array and four - element stacked tem - horn array are been mades up of. the results of experiment accord with theory and numerical stimulation

    最後，對tem喇叭天線陣列進行了原理性實驗研究，設計了帶地板結構的半tem喇叭天線，組成二元槽狀陣列、二元疊狀陣列、四元槽狀陣列、四元疊狀陣列等，應用小信號測試，得到的結果與理論和數值模擬相一致。
  3. First, this paper gives a method, which is utilized by baseband system according to wcdma system capability requirements, using asic + dsp to realize raker, using dsp + dsp to realize symbol process. the hardware structure of asic + dsp and dsp + dsp is designed from the whole design view. then, the discussion is made of the main function module of ic2001 and dsp, hi module, dsp peripherals on chip such as hpi, edma and emif

    文章首先結合wcdma系統性能要求提出了基帶系統所採用的方案，由asic + dsp實現rake接收機功能和dsp + dsp實現符號級處理功能;然後從總體規劃的角度設計出asic + dsp和dsp + dsp系統硬體結構，對ic2001和dsp的主要功能模塊， hi模塊， dsp片上外設hpi口、 edma和emif總線作了分析，並結合基帶處理功能開發了系統驅動;最後由信號源發出測試數據進入系統，進行功能實現后輸出數據繪制出波形圖，對所設計的基帶系統驅動方案進行驗證分析。
  4. This simplification principle is the foundation of the following analysis. using the test signal method, a detailed analysis of subsynchronous oscillation for a hvdc system is performed

    （ 3 ）對一個僅含有直流輸電線路的系統，採用復轉矩系數- - - -測試信號法，對其次同步振蕩特性進行了分析。
  5. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討，選用鎳鉻合金電阻絲作為加熱元件，配以陶瓷質埋入式爐膛；選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器；選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶（ k ）作為測溫元件；熱電偶對稱安置在樣品支持器容器的中部；選用硅酸鋁耐火纖維作保溫材料；合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體；採用升溫曲線來控制爐膛供熱過程；採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法，進行圖形處理。
  6. On the other hand, boundary - scan technique intelligent fault diagnostic method was applied to practice. for most digital system, devices with boundary - scan architecture are broadly used. only using four line or five line to connect pc parallel port with cut tap ( test access port ), all the ptvs can be loaded to cut and all homologous prvs can be taken back to intelligent fault diagnosis system

    至於本文採用邊界掃描測試故障診斷技術，是考慮到本系統的通用性和簡潔性，因為對于大多數數字系統而言，具有邊界掃描結構的器件己廣泛應用，本文只需4條或5條信號線就能將pc機和被測邊界掃描電路連接起來，由此極大地簡化了智能故障診斷系統中為實現ptvs加載和prvs獲取而專門設計的介面板電路。
  7. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面：對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析，並研製了現場所使用的滾動軸承故障檢測裝置，將無量綱參數診斷法應用於段修現場，且做了大量試驗；對于現場試驗中所出現的問題進行了分析，提出將聲發射的方法用於軸承的在線故障診斷；從理論上分析了聲發射現象，從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法，並在實驗室中，採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析，證明了使用聲發射法對軸承故障檢測的可行性和有效性。
  8. Vi ( virtual instrument ) made up of general hardware and auto - test software is available along with the development of computer and electrical technology, test system based on vxibus is an example of vio test application of one set vxibus vi on space camera is presented in this papero this thesis introduces the development of auto - test technology and instrument concepts on vi > vxibus and its applications, sorts and analyzes the tested signals, describes in detailed the system integrate and auto - test software development of the vi, reveals plenty of test data recorded in graph, chart and file that collected by auto - test software, also the analysis and judgment result of the eye - view controller function tested by the auto - test software o

    基於vxi總線的測試系統是具有代表性的虛擬儀器。本文介紹了基於vxi總線的虛擬儀器在空間相機測試上的應用。文中介紹了自動測試技術與儀器的發展，介紹了虛擬儀器的有關概念，介紹了vxi總線系統的應用，對測試信號進行分類、分析，詳細說明了基於vxi總線的虛擬儀器的系統集成，說明了自動測試軟體的開發，列舉了由自動測試軟體獲得的，以圖形、圖表、文件等形式記錄的測試數據，以及由自動測試軟體得出的對目視控制器的功能進行分析和判斷的結果。
  9. First the paper introduces the composition of vxi measurement system both hardware and software. second the paper introduces the amc2320 8 - channel parallel daq module, including hardware components, drive functions and means to develop application programs with them, the specifications such as precision

    本文介紹了vxi總線測試系統的軟硬體組成，簡要說明了amc2320八通道并行數據採集模塊的硬體組成和驅動函數，以及用戶如何利用廠家提供的驅動函數編寫自己的應用程序，重點是測試這個模塊的性能指標，包括精度、輸入信號的頻率范圍。
  10. The calibrating technology is mainly divided into two groups : the off - line ones and the on - line ones. the former one is now widely used in the monopulse system to calibrate the amplitude and phase imbalances between the sum and difference channels by injecting test signals

    離線校正的方法是現階段單脈沖雷達系統進行和差通道幅相校正採用的主要方法，它通過注入測試信號的方法來得到對誤差接收通道幅相特性的估計。
  11. In the traditional way, the servo valve static characteristics tests are done by the signal generator and the x - y recorder

    傳統的靜態性能試驗通過信號發生器產生測試信號， x - y記錄儀繪特性曲線完成。
  12. First of all, by establishing the observation model of complex harmonic signal and complex linear chirp signal respectively under the co - jamming of additive and multiply noise, the paper constructed cyclic moment detectors of different orders, deduced snr expression of the detector through theoretic analysis, discussed the relation of detector performance and noise statistical characteristic. the curve of detection performance is obtained through monte carlo simulation test, proving the related conclusion derived

    首先，論文分別以加性和乘性噪聲聯合干擾下的復諧波信號和復線性調頻信號為觀測模型，構造了基於不同階次的循環矩檢測統計量，從理論上推導出了檢測器的信噪比表達式，分析了檢測器性能與噪聲統計特性的關系，通過monte - carlo模擬試驗得到了檢測性能的曲線，驗證了推導的有關結論。
  13. And then, adopting the same model, cyclic moment estimation statistic of different orders are constructed respectively, large sample variance expressions of the estimator through theoretic analysis are derived, as well as the constraint relation of estimator performance and noise statistical characteristic. the curve of estimation performance is obtained through monte carlo simulation test, which proves the related conclusion derived

    然後，論文同樣以加性和乘性噪聲聯合干擾下的復諧波信號和復線性調頻信號為觀測模型，分別構造了基於不同階次的循環矩估計量，從理論上推導出了估計量的大樣本方差表達式，分析了估計量性能與噪聲統計特性的約束關系，通過monte - carlo模擬試驗得到了估計性能的曲線，驗證了推導的有關結論。
  14. The experimental results indicate that the tangent stress keeps quite linear relation with the variation of the time in fixed transmission distance of lcr wave in elastic range. also, the experiment results prove correctness and feasibility of the methods for measuring and processing lcr wave in stress measurement. the research provides beneficial reference for the application of tangent stress measurement in elastic media from theory to practice with tdc

    實驗數據表明:在試件的彈性范圍內，試件內部的切向應力與lcr波在固定傳播距離下的聲時變化有著良好的線性關系;證明了基於tdc - gp1的測試信號處理方法在用lcr波進行切向應力測量的可行性和正確性，為彈性介質中的切向應力測量從理論研究走向實踐應用提供了較高的參考價值。
  15. Waveform design and generation is one of the key techniques in uwb - sar development. with an air - borne uwb - sar system as the background, the foundational theory of lfm signal, the systemic error model and the design and implementation of lfm generator were discussed in this paper. the paper is composed of four parts : first, the foundational theory of lfm ( linear frequency modulated ) signal was studied

    超寬帶信號的產生方法和系統設計是實現超寬帶合成孔徑雷達的一項關鍵技術，本文以機載合成孔徑雷達系統的研製為背景，討論了線性調頻信號的基本理論、基於數字技術產生線性調頻信號的方法及其誤差模型、系統的設計實現技術及系統性能的測試和評估等內容，全文分以下四部分： ?第一部分主要討論了線性調頻信號的基本理論。
  16. Under such environment, this paper dose some good researching in the theory of electric parameter measurement and the theory of data acquisition systerm ; introduces the pci data bus and discusses the problem of electromagnetic interfere. besides, this paper also develops the integrate test system of power supply parameters

    數據採集系統是一種應用十分廣泛的模擬量線性測量系統，以數據採集系統與計算機系統相結合，配備信號處理與分析等軟體而開發出來的稱為虛擬儀器的系統，將會使電氣參數測試理論得到更好地應用。
  17. The deficiencies of the off - line methods are as follows : it is not an adaptive method so it cannot change when the system parameter changes ; it is, to some degree, depend on the form of the injecting signal

    離線校正的缺點是適應性不強，它不能對變化的誤差系統進行實時跟蹤，並且它很依賴于注入測試信號的形式。
  18. Its repeated frequency was 1khz with 20us width of pulse

    ?第四部分是對線性調頻信號源測試和評估。
  19. The main achievements are as follows : based on the research of principles and methods of data collection and processing, the dissertation put forward using vxd to accomplish break response of hardware and utilizing control principle of dma to realize data transfer of high speed. so the dissertation conquers the defect of bad real - time characteristic of windows because of multitask function and message mapping and accomplish real - time of collection and analysis. and the dissertation develops the system of signal collection and analysis to test vibration and noise and analyze structure dynamics

    主要工作及創造性成果如下：提出了利用vxd來實現硬體中斷響應，並運用dma控制原理實現了高速數據傳輸，克服了windows操作系統多任務功能及消息映射機制所帶來的實時性差的弊端，從而實現採集和分析的實時性，開發出適用於振動噪聲測試、結構動力學分析和機械在線檢測的信號採集分析系統。
  20. The results of v - i nonlinear testing indicated that the macroscopical nonlinear coefficient improves as long as the esr signal of low valence v ion becomes strong

    V ? i非線性測試結果也顯示，低價態v離esr信號越強，宏觀非線性系數越大。
分享友人
分享到 Line

分享到臉書