時序脈沖 的英文怎麼說

中文拼音 [shíxùmàichōng]
時序脈沖 英文
time sequential pulse
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 時序 : [地質學] sequence; sequential; time sequence; timing sequence; sequence in time
  1. In this paper, the radiolocation technique and principium of ofdm in the cell - communication system were introduced firstly, and sensitivity of ofdm system to synchronization was analyzed. then, two methods of timing synchronization based on the cyclic prefix and pilot sequence were introduced, and a novel timing synchronization method based on pilot sequence was presented, which provided a correlation peak with pulse shape

    由於ofdm系統中的定時同步要求和無線定位中的測時測距在本質上是一致的，所以本文緊接著分析了基於循環前綴和導頻序列的兩種定時同步方法，並提出了一種新的基於導頻序列的具有脈沖形狀相關峰的定時同步方法。
  2. 3. passive and active time - domain demodulation schemes were demonstrated based on a fiber bragg grating used as a tunable filter controlled by a piezoelectric stack, which was driven by an electrical sine wave signal. the measured strain applied on the sensor axially could be judged by observing the interval of the output between notches within a driving period in time - domain

    利用匹配濾波技術，分別採用無源和有源方式，藉助受pzt驅動的解調光柵，將待測應變信息變為時序負脈沖間隔的變化，利用常規的示波器觀測同一掃描周期中兩負脈沖在時域中間隔的變化來確定待測應變的變化。
  3. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈，由此可知在涉外貿易這種以高投入、高風險著稱的行業里，如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此，正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析，這也是本文的主要研究內容。首先，統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數（ ti ）每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標，利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析，從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯，且可知沖擊程度和時滯度，進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著，從博弈論的角度具體分析一家紡織品出口公司（ beauty ）的外貿活動所面臨的各種經營風險，該篇從博弈擴展圖入手，分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配，研究了有限回合和無限回合合作談判博弈，然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的，投資組合篇從經典的markowitz模型著手，在一些特定條件的限制下，給出了一個相應的投資組合模型。
  4. 2. design the pulse compression program of one piece of adsp - ts203. complete the program and optimization of radix - 2 fft independently, which meets real - time processing

    2 .基於一片ts203的脈沖壓縮處理單元的程序設計，獨立完成其中基2 - fft的編寫及其優化，滿足系統實時性的要求。
  5. Design and produce the sequential pulse generator

    時序脈沖發生器的設計與實現
  6. Fibre optic communication subsystem test procedures - digital systems - time - resolved chirp and alpha - factor measurement of laser transmitters

    纖維光學通信子系統試驗程序.數字系統.激光發射機的時間分辨線性調頻脈沖和因數測量
  7. Fibre optic communication subsystem test procedures - part 2 - 10 : digital systems ; time - resolved chirp and alpha - factor measurement of laser transmitters

    纖維光學通信子系統試驗程序.第2 - 10部分:數字系統.激光發射機的時間分辨線性調頻脈沖和因數測量
  8. We use this conclusion in our program. the last, the principle and the precision of the detection of range, speed and angle is analyzed and discussed theoretically. using the precision formula of rectangle pulse waveform, we programming the software to accomplish the computation simulations

    在論文中還對雷達的距離測量、速度測量和角度測量的原理以及它們的測量精度進行了理論分析和計算，並且得出了在矩形脈沖波形的時候雷達測量精度的計算公式，並且用程序進行了模擬計算。
  9. The author insists that the proposition on bmp contains numberous precondictions, the reference values of the qulitative papers are limited as they cannot answere exactly what on earth the bmp is. so this dissertation systematically studied the bmp of china according to the clue of monetary supply which is the immediate target of monetary policy. of course, the stress is to attempt to apply the newest econometric approaches, such as impulse response function and cointegration test, to develop the topic on bmp to a new regime and draw some valuable conclusions

    因此，本文在國內外學者已有的研究基礎上，以我國貨幣政策的中介目標? ?貨幣供應量為線索，就有關我國貨幣政策的宏觀調控效果進行了系統的理論與實證研究，重點是應用國外時間序列經濟計量學的最新研究成果，如脈沖響應函數、預測方差分解模型等進行探索性地定量分析，並得出有價值的實證結論。
  10. Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules

    同時，本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究，包括： cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構；對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制，保證加工工件表面的精度和光順性；設計具有「前瞻」功能的自動升降速控制方法，保證加工過程的平穩性；通過脈沖均勻化，有效地解決加工過程中因為脈沖不均勻而引起的震動問題。
  11. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。
  12. This article analyses the operation principle of the semiconductor laser power in detail, and demonstrates the feasible scheme of the main part of the power according to the special request under the quasi - successive working way, designs the corresponding hardware circuits and software procedures which implement the accurate automatic control of timing, steady voltage and invariable current power supply without pulse voltage and surge current for digital display semiconductor laser power

    本文深入分析了半導體激光電源的工作原理，根據準連續工作方式下的特殊要求，論證了電源的主要環節的可行性方案，設計了相應的硬體電路與軟體程序， （實現了定時的精密自動化控制、數字式顯示機半導體激光電源的無脈沖電壓、無浪涌電流的穩壓恆流供電。
  13. The results show that the final discharge in the last half cycle decided the first breakdown in this half cycle by analyzing the sequence among three current pulses in a half cycle

    實驗分析了半周期有三次電流脈沖時放電的時序關系，發現上一個半周期放電的最後一個電流脈沖決定了本半周期第一次擊穿的時間。
  14. In 3 - d ocdma system, the code sequence for each user is spreaded in time chip, wavelength and space. compared with 2 - d ocdma system, 3 - d system can accommodate more total users and simultaneous users

    三維ocdma系統中，每個用戶碼字序列的光脈沖同時在時間域、頻率域和空間域擴展，三維系統較之二維系統擁有更大的總用戶和同時激活用戶的容納能力，系統性能更好。
  15. In this paper we discuss mca circuit, the sequential logic for mca data collection, for the setting of the uld, lld and the gain of pga, as well as the combinational logic for decoding circuits of the computer interface, based on cpld

    本文詳細論述了利用cpld實現的脈沖幅度多道電路及其數據採集的時序控制邏輯、閾值設定和程式控制放大倍數設定的時序控制邏四川大學碩士學位論文輯、以及與計算機介面的譯碼電路等組合控制邏輯。
  16. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體電路設計包括：工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路（恆流源電路、時基信號處理電路、被測信號處理電路）設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括：主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號，並對三種不同測試狀態（靜態、動態、暫態）下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。
  17. For the measurement of analog signals such as voltage and current of astg, a filter card for pre - disposing is designed, in order to improve real - time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence - sampling is brought forward. for the measurement of impulse - width signals such as rotor - speed and rotor - position - angle, an intelligent interface card based on isa bus is designed. all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized

    為了提高實時性，對交流采樣演算法進行了簡化，並提出了由於非同步順序采樣所造成的相位誤差的補償演算法；針對轉速、轉子位置角等脈沖寬度信號的測量，深入分析了測量原理，設計了基於isa總線的智能介面卡；編制和調試了基於c + +的全部測量控製程序；完成了整個系統的調試，並總結了調試方法。
  18. Aiming at the restrictions of fft methods, this paper put forward a transform naming changing scale discrete chirp - fourier transform and applied it to detecting accelaration target using missle - borne high - prf pulsed doppler radar, at last this paper put forward a new sequential detection method. in the third part of this paper, aiming at the different characteristic of the extended target spectrum, this paper discussed the detecting and precised measuring the extended spectrum of the target

    針對傳統fft對加速目標進行積累檢測時的局限性，提出了一種變尺度離散chirp ? fourier變換並將其應用於彈載高重頻脈沖多普勒體制雷達對加速運動目標的檢測背景中，提出了一種對加速運動目標的序貫檢測演算法。
  19. Ccd is introduced, the sequential pulse generator and signal magnify circuit are designed. in the end, some solutions used for emc are introduced for high speed board design

    對ccd光學耦合傳感器進行了簡單的介紹，設計了相應的時序脈沖發生器和輸出信號放大電路。
  20. The function of the controlling system comprise time sequence control of rotating field, data collection and serial communication etc. it avails the automation of finishing process and the interface to other system by using micro - controller

    本文採用單片機來實現脈沖控制的旋轉磁場，實現的功能有旋轉磁場的時序控制、數據採集和通信等。採用單片機有利於加工過程的自動控制和與其它系統的介面。
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