檢測脈沖 的英文怎麼說

中文拼音 [jiǎnmàichōng]
檢測脈沖 英文
detecting pulse
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 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
  • 檢測 : check; detection; test; gauging; detecting; sensing; [工業] checkout; measuring
  1. After purging, oxygen pulses are injected until the detection system no longer indicates oxygen adsorption.

    脫氧后,注射氧直到系統表明不再有氧吸附為止。
  2. 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,表現出了要的各量的物理意義,對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速度信息。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。
  3. Corona pulses current method is a way which can be used to detect faulty insulators on ground

    電暈電流法是一種地面不良絕緣子的方法,但目前應用中其的準確度較低。
  4. But its accuracy of detecting is low in application. in this paper we try to find a method based on artificial neural network to improve the accuracy of detecting faulty insulators

    本文力圖通過大量的實驗室和現場數據的分析,發展一種基於人工神經網路的不良絕緣子診斷方法,提高電流法用於不良絕緣子的準確性。
  5. We took a lot of data of corona pulses from the laboratory and field by using the detecting device. we got the corona finger prints for both the good insulators and the faulty insulators by statistic of the data

    本文利用裝置,在實驗室和現場分別採集了大量電暈數據,統計分析了有、無不良絕緣子時電暈信號的譜圖特徵。
  6. The master dissertation introduces passive correlative orientation system and base theory in signal dispose briefly in the first place. the system takes tv sound fm signal from tv satation signal. the power rate of tv station signal to sound signal is ten to one. in the case of submerged by mussy weave and machine ' s hot noise, dispersed target signal is feeble

    系統採用電臺的電視伴音調頻信號,其中電臺信號與伴音信號功率之比基本為10 : 1 ,並且目標散射信號較弱,一般情況下淹沒在雜波和機器熱噪聲之下,採用常規的方法很難對遠距離的目標進行,而以電臺直達信號作為參考與目標回波信號進行相關;系統中信號的相關處理會產生旁瓣,而強目標的旁瓣會影響附近的弱目標
  7. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單雷達體制,分析了地形目標回波特性;建立了地形跟隨雷達空地距的幾何關系;利用雷達收發信號,導出了地形跟隨雷達和差接收通道的回波信號表達式,進行了波形模擬,得到了地形跟隨雷達的地面散射產生回波在時域中的特性;根據和差回波特性,闡述了差信號過零點距的原理和方法及工程實踐中的應用,並給出了真實雷達對外輻射試驗的結果,驗證了文中的模擬。
  8. Evaluation of subsurface defect by pulsed phase thermography

    亞表面缺陷相位熱成像技術
  9. Therefore, a model of three sectors, respectively referring to domestic sector, manufacturing export sector and primary product export sector, has been established here to measure the technology spillover effects of export on domestic sector. finally, based on a broader framework, this dissertation went on to investigate the relationship between openness and china ' s economic growth, while the result shows that though there exists a notable dispute about how to measure the degree of china ' s openness, the index of trade dependence still maintains the better one to reflect china ' s economic openness. in the meanwhile, impulse response function ( irf ) method and forecasting errors variance decomposition ( fevd ) method, both of which are based on the vector auto - regression ( var ) system, are used here to investigate the dynamic relationship between openness and china ' s economic growth

    與傳統理論不同,新增長理論和新貿易理論都強調技術進步的作用,因此本文構建了一個三部門的技術外溢效應模型(國內部門、工業製成品出口部門以及初級產品出口部門) ,考察了工業製成品出口和初級產品出口對國內非出口部門不同的技術外溢效應;第四,從更加廣闊的視野就貿易開放度與中國經濟增長問題進行研究,有關貿易開放度如何度量一直是存在較大爭議的問題,本文首先對該類研究文獻進行了較為詳盡的述評,然後運用生產函數方法對所選取的5個貿易開放度度量指標進行了驗,結果發現盡管一些已有研究認為外貿依存度無法真實度量一國經濟開放水平,但是本文研究結果表明外貿依存度仍是度量我國貿易開放度的較好指標,進一步採用基於var系統的響應函數法以及預誤差方法分解法對貿易開放促進經濟增長的作用進行了動態刻畫。
  10. By using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache

    通過采樣電火花加工放電間隙的電壓、電流信號和電壓幅值上的高頻信號的強弱,得出反映間隙放電狀態的各種時間,利用計數器分別對其計數,再送給單片機運算處理,輸出控制環節所需的各種放電狀態時間百分數。
  11. Abstract : by using a counter and an operation microprocessor, this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state. this instrument takes samples of voltage, current signal and strong and weak of high frequency signals of detecting voltage amplitude, translates them into various time pulses in discharging state. and a counting unit turns these pulses into digital signals, then send them to a microprocessor. finally various discharge time percentages are sent to the control tache

    文摘:通過采樣電火花加工放電間隙的電壓、電流信號和電壓幅值上的高頻信號的強弱,得出反映間隙放電狀態的各種時間,利用計數器分別對其計數,再送給單片機運算處理,輸出控制環節所需的各種放電狀態時間百分數。
  12. ( c ) propose the scheme to implementing the coder and deoder of optical time - spreading / frequency - hopping, by assigning two orthogonal codes for one user and using these two codes to encoding 1 and 0 respectively, differential detection can be adopted. not only improves system performances in ber, but also resists the interference such as mai, and does n ' t need any control devices to evaluate the optimum decisive threshold

    通過給每個用戶指定互相關為0的兩個地址碼分別發送1和0信號以及在接收端採用差分技術,避免了ook (開關鍵控)光通信系統中0不發送光和ook常規方式下最佳判決門限必須根椐用戶數等外界環境而改變,從而提高了系統性能和降低了系統的復雜度。
  13. The electrochemical study showed that the interaction mode is mainly intercalative binding in ph 7. 4 phosphate buffer solution. the uv - vis spectroscopic study further demonstrated the above results. through the electrochemical parameters such as charge transfer coefficient and standard electron transfer rate constant ks in the absence and presence dna, it was found that the reaction of aloe - emodin with dna forms an electrochemical active supramolecular complex

    本文對姜黃素的研究結果表明,在0 . 1m磷酸鹽緩液( ph3 . 0 )中,姜黃素于玻碳電極上存在可逆的單電子轉移過程,據此,本文建立了以差示伏安掃描法姜黃素含量的新方法。
  14. It provides an active field for development of radar techniques. this dissertation is based on the project " cfar ( constant false alarm rate ) detection for airborne pd radar "

    本文是結合課題「機載多普勒雷達恆虛警性能研究」進行的,主要考慮如何克服地雜波影響,提高系統的性能。
  15. 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。項目有:靜電放電;輻射電磁場;電快速瞬變群。
  16. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面,採用分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位技術實現了感應移相器位置反饋信號的功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的功能。
  17. It has been confirmed practically that the diamond highness above base material can be adjusted with the range when the generator is put into use, and the result shows that the current density drop sharply with the increase of machining gap

    結果表明,間隙值的擴大伴隨電流密度的顯著下降,電解電流控制能量的方法對實現電蝕層厚度基本可控是可行的,可讓金剛石突出一定高度。
  18. 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、快速和不解體
  19. According to the distribution of local impulse noise, an adaptive chord deviation method is used to avoid redundant detection or missing of impulse noise at the quick rising, descending or broken line area of data set

    摘要針對現有噪聲濾波演算法在處理大斜率區域和斷線型激光掃描數據中存在的多判和漏判問題,提出了一種有效檢測脈沖噪聲的方法。
  20. 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。
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