key pulse 中文意思是什麼
key pulse
解釋
按鍵脈沖-
In the dissertation ' s chapter 3 to chapter 5, the mechanical and physical performances of the engineering plastics are analyzed, the failure mode and the designing computing methods of engineering plastics member suffering the static load, dynamic load, impact load, pulse load, are studied. by the practice application and ball firing experiment of the engineering plastics key piece in the weapons, the precious experiences, for engineering plastics application and confirmation of the material performances guideline in the weapons, are obtained
論文的第三章至第五章，分析了工程塑料物理機械性能，研究了受靜載荷、動載荷、沖擊載荷及脈沖載荷下工程塑料構件的失效模式和設計計算方法，通過工程塑料在槍械關鍵受力結構件上的實際應用和實彈射擊試驗，取得了寶貴的經驗，為高性能工程塑料在槍械上的應用和材料性能指標的確定奠定了基礎。 -
To import polar wood apmp key production equipment and, taking as raw material the triploid chinese white poplar, a pulse and paper making good variety of raw material emphatically populaized by the national " ninth five - year plan ", produced poplar wood apmp under an annual production capacity of 34 thousand tons as well as, taking as raw material the poplar wood apmp mixed with bleached wheat straw52 pulse, produce high - grade offest printing book and periodical paper double - offest printing paper and low - quantitative coated cloth paper under an annual production capacity of 51 thousand tons
項目內容：引進楊木apmp關鍵生產設備，以國家「九五」重點推廣的制漿造紙優良原料品種棗三倍體毛白楊為原料，生產楊木apmp ，年生產能力為3 . 4萬噸，並且用楊木apmp與漂白麥草漿配抄高檔膠印書刊紙雙膠紙紙定量塗布紙5 . 1萬元。 -
The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse doppler shift frequency changing rate. to sum up, this paper studies the key problems in soplat based on particle kinematics and some solutions to them
總而言之，本文系統地研究了基於質點運動學的單站無源定位與跟蹤領域的主要關鍵技術問題並提出了相應的解決方法，其中某些分析結果和方法可直接應用於實際的工程應用。 -
The key factors of the relayed frequency shift jamming to it ' s quality are it ' s frequency shift amount and the time delay between the jamming pulse and the jammed signal
決定轉發移頻脈沖干擾品質的是其移頻量和與信號脈沖的相對延遲時間。 -
Key pulse adapter kpa
鍵控脈沖適配器 -
Kp key pulse
鍵控脈沖 -
The principle of vibrator is to introduce scattered energy to underground in a comparatively long time, and collect the energy through correlation and compress it into a narrow pulse. the portable high - frequency vibrator system, developed by key lab of geo - exploration and instrumentation ( jilin univ ), ministry of education, generates chirp signal and accumulates energy through a long - time bestiring. according to the characteristics of vibrator, the seismic recorder that operates on - line with vibrator must have these functions as follow : first, it must have the ability of recording a great quantity of data. second, it must have assistant channels to sample reference signal. third, it must have the function of data correlation in real - time
可控震源利用可控的小能量、長時間激發波來實現沖擊震源瞬時產生的大能量激發波。在利用可控震源進行地震勘探時，要求地震儀長時間記錄地震信號，這對地震儀的采樣長度提出了很高的要求。受存儲量和數據傳輸速度的限制，絕大多數地震儀很難對如此大的數據量進行記錄，同時，可控震源要求地震儀有兩個輔助通道並且具有數據相關功能，目前國內還沒有出現滿足要求的地震儀產品。 -
The key elements of the missile early warning network included 7010 phased array early warning surveillance radar and 110 mono - pulse missile tracking radar
關鍵組件包括7010相控陣預警監視雷達和110單脈沖導彈跟蹤雷達。 -
Large time - band product signals such as linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ), phase coded signals and so on are one of key technologies for pulse compression radar systems
具有大時寬帶寬積的信號，如線性調頻信號、非線性調頻信號、相位編碼信號等是雷達應用脈沖壓縮技術的關鍵之一。 -
With the quick development of the space navigation in 1990s, there has a higher requirement to the electronic pulse measure circuit of time interval which is the key component of the distance measure instruments
90年代以來，隨著我國宇航事業的高速發展，人們對測距儀的核心部件? ?電脈沖時間間隔測定器的要求越來越高。 -
Radar altimeter is a kind of very important microwave sensing instrument for observing the earth, and there are a lot of key technologies involved in the high resolution spaceborne radar altimeter ( hrsbralt ). the principle of hrsbralt, the acquisition and track methods, the if simulation, the closed loop internal calibration method, the pulse repeat frequency ( prf ) design, and the ocean - land compatible altimeter design are studied in this dissertation
雷達高度計是一種重要的微波遙感儀器，本文就高解析度星載雷達高度計的工作機理、跟蹤方法、大時帶積在軌閉環內校準以及海陸兼容等內容進行了深入的研究，具體包括以下八個方面的內容： （ 1 ）深入研究了星載雷達高度計的工作機理，並對典型雷達高度計系統進行了分析。 -
The operation principle of the aviation static inverter with high frequency pulse dc link is discussed, and the design criterions of the key circuit parameters are gained
本文論述了高頻脈沖直流環節航空靜止變流器的工作原理，獲得了關鍵電路參數設計準則。 -
The pulse - width modulated ( pwm ) is the key technologyto acquire the high power factor. the document presents the principle of three - phase pwm, then analyzes and compares the several maturely control methods for pwm
本文將交流電機理論中空間坐標系旋轉變換理論引入到pwm整流器的分析中來，建立了三相pwm整流器的統一的數學模型。 -
Power balance is necessary to icf, including the energy balance and pulse shape uniformity at the target. 90 percent of the output energy of " sg - ii " comes from its double - pass coaxial array main amplifiers, and pulse shape distortion caused by gain saturation also occurs mostly in there. therefore precise control of gain performance of the main amplifiers by avm ( angular variable mirror ) is the key to the precise power balance of " shenguang - ii "
「神光? 」裝置90的激光能量由同軸雙程主放大器提供，同時增益飽和效應產生脈沖波形畸變也主要發生在主放大器階段，因此應用組合式角變反鏡（ avm ， angularvariablemirror ）獨立精密控制主放大器各路的增益性能是實現「神光? 」裝置精密化功率平衡的關鍵。 -
The main part and key technique of the cpa system is study : the generation of the femtosecond laser pulse is study, the modulation and maintenance of the ti : s laser is learned ; the types of the measurement for ultrashort laser pulse is generalized and the interferometric autocorrelation is expatiated ; the varieties of the stretchers is sum up and aberration - free stretcher is calculated and optimized to improve the stretching ratio ; the pulse selection is analyzed and a single pulse can be selected successful from the pulse train at a repetition rate of 82mhz ; the kinds of the amplifier in cpa system is gathered up, the eight - pass pre - amplifier and a good many effects in it is investigated. finally, the second, third and fourth - order dispersions in cpa system is analyzed systemicly, and the according means for dispersion compensation is worked out
對cpa系統的主要環節及關鍵技術進行了研究：掌握了鈦寶石激光器的調節和維護技術，較深入地研究了飛秒激光脈沖產生的機理，其中對群速色散、自相位調制、自鎖模等問題進行了詳盡的分析；總結了超短激光脈沖的測量技術，重點研究了干涉自相關測量法；在總結展寬器類型的基礎上，對無象差展寬器進行了理論計算、優化設計，提高了展寬倍數；深入論述了脈沖列的選單問題，熟練掌握了脈沖選單技術。 -
The study in this paper based on the national fifteen tackling key problem - " life detection and orientation of earthquake emergency response system " and project of no. 10 research institute of china electronics technology group corporation - " pulse radar target detection and location technology ", has completed the study and simulation of the relative technology of tdoa, which was a theoretical and technological supporting to the two projects
本論文在國家十五重點科技攻關課題「地震救助生命搜索與定位技術研究」和中國電子科技集團第十研究所「脈沖輻射源監測和定位技術」國際合作項目中，完成了對其中時差定位相關技術的研究和模擬，為工程項目的實施提供理論和技術支持。 -
Step power is the key for step magnetic potential, the pulse width modulate technology that selects the triangle wave as the carrier and ladder sine wave as the modulate wave is researched, furthermore the design of the actuator drive adopts dsp as the digital controller is introduced
步進電源是產生步進磁勢的關鍵，文章研究了三角波為載波，階梯正弦波為調制波的脈寬調制技術，進而介紹了採用dsp組成全數字控制器，完成步進電源觸發的執行器驅動器的設計。 -
Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition
全文共分六章：第一章、緒論中介紹了bldcm的發展歷程、電機本身的結構特點和工作原理等；第二章、針對五位置傳感器bldcm的起動問題，文中詳細給出了檢測脈沖轉子定位起動技術；第三章、從電機的數學模型入手，詳細論述了反電動勢端電壓法和系統的控制策略；第四章、介紹了硬體實現中的兩個重要器件： dsp （ tms320f240 ）和功率管逆變器控制晶元（ ir2131s ） ；第五章、詳細給出了控制系統的硬體實現細節；第六章、利用ti提供的ccs集成開發環境，將前面章節的控制方案用軟體加以實現，給出了主要部分的程序流程圖和一些編程要點以及實驗結果。 -
The work of this dissertation is focused on research of some key technics in signal design and processing of mcpc signal. the main content of the dissertation is summarized as follows : it gives a detailed description of the form of the mcpc waveform and its mathematical model, and analyses the formation and properties of phase coded sequence. it discusses the effect of signal parameters on autocorrelation, power spectra and ambiguity function in forms of single pulse and pulse train and compares different kinds of single pulse signals and pulse train signals
本文圍繞著多載波相位編碼信號在信號設計與信號處理的若干關鍵問題進行了研究，主要做了以下工作:描述了多載波相位編碼信號（ multicarrierphasecoded ，簡稱mcpc ）的信號形式，給出了其數學模型，對其中相位編碼序列的構成方式與特性進行了分析;從單脈沖和脈沖串兩種信號形式入手，對多載頻相位編碼信號的參數在自相關函數、功率譜密度和模糊方程上的影響作了詳細地討論，對不同調制方式的單脈沖和脈沖串信號進行了比較。 -
It is well known that for an optical pulse, its distribution in time domain is infinite. but only a limited time window width t _ ( w ) may be selected in numerical calculations because of the limitation of the microcomputer. therefore, the selection of t _ ( w ) is also a key aspect that should be considered carefully in numerical simulations
基於此，本文提出了利用分步傅里葉方法計算光脈沖在光纖中傳輸時間窗口的選取方法，給出了正確模擬光脈沖通過不同長度的光纖后光脈沖的變化所要選取的時間窗口（即計算過程中所取的積分上下限之差） 。
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