測速脈沖 的英文怎麼說

中文拼音 [màichōng]
測速脈沖 英文
tachometer pulse
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 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
  • 測速 : logging speed
  1. Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used

    通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢的各量的物理意義,對檢的方法提供了理論依據。利用二維fft方法,可以有效地提取回波中目標的距離與度信息。對于fmpcw信號由於均勻產生的周期性距離模糊的問題,採取時間波門的處理方法。
  2. Velocity measurement using single linear frequency modulation pulse

    單個線性調頻信號方法之研究
  3. Based on the model of safe following distance, the design blue print of system is presented in the text. using the multiple impulses horae rotate speed sensor to measure the vehicle speed and nanometer radar to measure the distance of own vehicle to frontal vehicle, and analyzing and judging collected information by at89c51 which is the control centre of the system

    本文在安全跟車模型的基礎上,提出了系統方案:採用霍爾多傳感器量汽車的度,毫米波雷達量兩車的距離和相對度,利用at89c51作為信息採集單元的控制中心,對各種信息進行分析判斷,當行車距離小於報警距離時啟動相關的報警單元。
  4. The same “ pulsing ” frequency that is invisible to human eyes infiltrates longer distances due to the infrared illuminator ' s quick energy bursts

    由於紅外線照明燈的快能量同樣的""的次數太多,無形中提供人眼更長的觀距離。
  5. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加度計及其試技術的發展歷史和現狀,液浮擺式加度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬再平衡試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬再平衡試迴路的解析度、采樣約束以及試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、寬調制、頻標電路以及力矩電流發生器等試系統各部分硬體電路,驗證了電路的正確性,最後按照試系統的要求,採用了美國ni公司專為試領域所開發的虛擬儀器工具? ? labview作為試軟體開發工具,利用該圖形化編程語言完成了試系統軟體部分的設計,實現了試功能。
  6. All subjects underwent spirometry, measurement of aortic pulse wave velocity ( pwv ) and augmentation index, dual - energy x - ray absorptiometry, and blood sampling for inflammatory mediators

    所有的研究對象接受肺量定法,量主動度和增強指數,雙能x線吸收儀和採集血樣分析炎性介質。
  7. The results show that the cps signals have the thumbtack - typed ambiguity, no distance and / or speed ambiguity and excellent speed / distance measuring performances. 3. we analyze anti - interference performances of the uniform ppm - ps radar signals and the random ppm - ps radar signals, and make the comparison between them

    研究結果表明隨機位調制與隨機二相碼調相復合串信號具有「圖釘型」的模糊函數,不存在距離度模糊,具有良好的性能。
  8. Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials - pulse - tube method

    水聲材料縱波聲和衰減的管法
  9. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度量的基礎上增加角度變化率及相對運動的離心加度等運動學參數的單站無源量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加度信息定位的可觀性進行分析並得到了相應的可觀條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加度參數的獲取技術進行了研究,提出了幾種高精度序列多普勒頻率變化率的方法。
  10. In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed

    無換向器電動機在火電廠等工礦企業的電機調節能領域中有十分廣闊的應用前景,本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上,研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置,進行了串聯閥電路的設計和模擬,完成了電光電方式的觸發系統和監系統硬體設計及軟體編程,並進行了裝置的實驗調試。
  11. The high - speed transmission error test system is a new system for te test and analyzing, which applied plus zoom theory and computer, combined the newest development of electron technology

    「高傳動誤差量系統」是以微機為核心,結合電子技術的最新發展,將信號細分原理與微機應用相結合的新型傳動誤差分析系統。
  12. Point type heat fire detector meets the requirements of gb4716 - 1993. the test itemsinclude electrostatic discharge, radiated electromagnetic fields, and electrical transient bursts

    點型感溫火災探器應符合gb4716 - 1993標準的要求。檢項目有:靜電放電;輻射電磁場;電快瞬變群。
  13. This paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters

    分析了目前驗收激光距機程指標所採用的方法「消光法」存在的不足,並在「消光法」的基礎上,通過採用計算機技術、準激光技術和延時模擬空間距離的方法,實現了程指標自動、快和不解體檢
  14. Abstract : this paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters

    文摘:分析了目前驗收激光距機程指標所採用的方法「消光法」存在的不足,並在「消光法」的基礎上,通過採用計算機技術、準激光技術和延時模擬空間距離的方法,實現了程指標自動、快和不解體檢
  15. X fluorescence can quickly carry out measurement without damage and motion. it was widely adopted in geology, mining, environmental - protection, archaeology and industrial - analysis. its principium is that in measurement of radioactivity, the pulse energy is directly proportional to pulse signal amplitude detected by the radiation detector

    X熒光方法可以實現快、原位、無損量,被廣泛應用於地質、礦業、環保、考古、工業在線分析等領域,其原理是:在核能譜量工作中探器輸出的信號與入射粒子的能量成正比,通過信號幅度,得到入射粒子的能量。
  16. The pulse - peek sampling and adc module is able to catch a single and very narrow pulse in order to sample its peek value without being influenced by other pulses or noise. the pulse - peek sampling and adc module can also adapt itself to different rising edge of pulses, so it can scale different types of explorers made by our research institute

    X射線探器定標分析系統的前端峰值採集及其轉換電路能夠實現單個快的捕捉及對不同上升沿陡緩的適應,它對不同傳感器的放大信號特徵都有很好的適應性,對峰值采樣的結果具有很高的精度。
  17. After investigating the relationship between generator measuring speed pulse and its on - load voltage at phase a, it is proposed in the thesis that we can obtained phasor of generators through messuring dividing frequency signal of generator measuring speed pulse

    我們研究了發電機測速脈沖和其a相空載電勢相位的關系,提出了只需量與發電機同軸的發電機發出的測速脈沖的分頻信號,經過計算就可以得出發電機相角的量方法。
  18. In this paper, we described a system for fast measurement of the spectrum of pulse light source

    本論文提出了一種快光源光譜特性的新型系統。
  19. ( 3 ) researching and building the mathematical modle of detecting the water content of the raw cement slurry, that is to say, building the relation of the water content of the slurry and the pulse number of speed of revolution of the detector and voltage of power source, which provide the foundation to. design the detector

    ( 3 )研究建立了旋轉式檢頭檢料漿水分的數學模型,即建立了水分含量與檢頭的轉及電源電壓之間的關系,這為檢頭的設計提供理論依據。
  20. The instrument of multi - function digital signal display is introduced. the instrument can display different content such as velocity, rotational speed and counter depend on setting different parameters

    摘要設計了一種用於信號量的數顯表,該表可以通過給微處理器設定不同的參數對所信號顯示不同的內容,具有線度顯示、轉顯示、計長顯示、計數顯示等多種功能。
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