點信號脈沖 的英文怎麼說

中文拼音 [diǎnxìnháomàichōng]
點信號脈沖 英文
dotting impulse
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • : 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
  1. The crank reference pulse originates from a variable reluctant pickup which senses a projection on the engine's flywheel.

    曲柄參考由一個變磁阻傳感器產生,它從發動機飛輪上的突起感受
  2. To the principle of single - station high - frequency ground wave detection radar, simple pulse wave was chosen, but this wave has many limitations, so continuous signal wave was preferred

    從雷達波形選擇來看,對于單站高頻地波超視距雷達體制,最初採用簡單波形。但這種波形存在著許多缺,最終採用連續波體制。
  3. 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測距的幾何關系;利用雷達收發,導出了地形跟隨雷達和差接收通道的回波表達式,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,闡述了差過零檢測測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。
  4. It can process dead - zone of two pulse signals accurately, whatever their types are, and has such characteristics as excellent performance, good flexibility and high reliability, and its switching frequency and dead - zone time are programmable

    它可以對兩路任意形式的進行精確的死區處理,且性能優異、靈活性和可靠性高。同時,它具有開關頻率和死區時間可編程等特,因此,可通用在變頻器、 svg等其他電力電子設備。
  5. At first the merits and implementation of the digital pulse compression subsystem are introduced in this paper. then the characteristics of phase coded signals are discussed and the two classic binary phase codes ? ? barker code and m - sequence are dealt with in details in the following

    文中首先綜述了數字壓縮的優及其實現方法,接著討論了相位編碼的特,並詳細分析了巴克碼和m序列這兩類典型的二相碼
  6. In the experimental system apd transferred laser pulse to weak electrical current. after two - level amplification we got a voltage pulse that had a enough amplitude to be applied, the timing point was discriminated by the constant - fraction timing discriminator circuit. timing circuits transferred the pulse flight time to digital signal accurately

    實驗系統採用apd作為光電傳感器,將激光轉變為微弱電流,經過兩級放大后,變為幅度較大的電壓,經過時鑒別電路分別確定計時起和終后,由計時電路來精確測量兩個時間之間的時間間隔。
  7. Synchronous pulse generating circuit : got by back panel output 1pps 、 1ppm 、 1pph synchronous pulse signal. pulse is photoelectric isolation static idle contact form output

    同步發生電路:通過後面板輸出秒( 1pps ) 、分( 1ppm ) 、時( 1pph )同步是光電隔離的靜態空接形式輸出。
  8. This thesis describes the properties of millimeter wave, and development of the millimeter wave sources nowadays, and introduces the solid - state devices impatt diodes, and analyses the technology of the injection locked. then this thesis gives out how to design the pa module in detail. and practical circuit is given out with the test result and analyses

    本文首先綜述了毫米波特,毫米波源的發展現狀,介紹了w波段impatt器件的基本工作原理,分析毫米波波導電路中的注入鎖定技術,給出實現連續波或功率放大的w波段源的功放模塊的技術方案、測試結果和綜合分析。
  9. The use of interferometer to detect and analyze laser radiation is well known, but when the intense ratio of the laser radiation to the background natural light radiation is too small, the laser radiation cannot be detected. a novel more sensitive method for detect of wideband weak incident laser in strong background noise is introduced in this paper. the optical unit uses two wedge interferometers and two line array detectors. the incoming light radiation is divided into two beams and through the interferometers

    在被動激光偵察告警中,對微弱激光的探測是一個難。當探測距離相當遠或視場內接收的背景光輻射很強時,激光到達探測器的能量很小,會淹沒在強大的背景光中而探測不到。本論文提出了一種探測微弱激光的方法,可對強烈背景光中的激光威脅進行探測和告警,並給出其波長參數。
  10. The one - dimension effective fpk equation of colored noise serves as our starting point to evaluate the effect of noise color on communication system design. the theory of ber versus input snr per bit is developed and a new procedure to determine the system parameters that influence the minimum ber is proposed. it is shown that the communication system ' s performance is related to the turnable system parameters as well as the noise correlation time

    在指數相關高期色噪聲情況下,本文以一維有效色噪聲fpk方程作為研究的出發,理論分析了限帶高斯色噪聲通道中幅值調制數字傳輸的誤碼性能,給出了非線性接收器的接收性能曲線,充分體現了噪聲相關時間的影響。
  11. And it request this kind of signal does not involve the complex of the processing system. because the signal is used in practice, so using this signal into high frequency software radio is an important part of this paper

    由於產生的時面向應用的,將所產生的應用到實際的系統當中去也是本課題的一個重。本文所採用的主要是基於壓縮的調頻斷續波和相位編碼,這兩種在實際的系統中有著廣泛的應用。
  12. Second, research and analyze the feature of signal of pulse compression radar, and discuss the principle and characteristic of pulse compression technique, that are linear frequency modulation and phase coding. the above two mathematic model is constructed, and shift - frequency noise is imposed on the models, and anti - nose ability is evaluated and simulated

    通過對壓縮雷達的特徵的研究和分析,通過研究線性調頻和相位編碼壓縮技術的原理和特,建立了這兩種雷達的數學模型,並對此進行移頻干擾和相位編碼雷達干擾,並進行干擾性能的評估和模擬研究。
  13. Linear frequency modulated ( lfm ) signals as the most popular pulse compression signal are a typical kind of time - varying, nonstationary signals, so applying the wigner - ville distribution into lfm signals has more advantages than conventional methods

    雷達壓縮技術中所使用的線性調頻是一類典型的時變非平穩,採用時頻分析的研究方法處理線性調頻有著傳統方法無法比擬的優
  14. The technical characteristics of pulse generating are analyzed, a feasible pulse generating method is given and also the system structure of hardware is presented

    本文分析了發生技術的特,提出了一套切實可行的的產生方式,並制訂出一套實現/數據數字波形產生的解決方案。
  15. Chirp - subpulse stepped frequency signal is one of the high distance resolution signals with merits of stepped - frequency signal and chirp signal

    Chirp子頻率步進兼有頻率步進和線性調頻的優,是一種高距離分辨力
  16. The primary aim of the single chip microcomputer circuit of this project is data collecting, it applied the invention monopoly of professor zhang guanghui and professor peng donglin of chongqing university, make use of the high frequency inserted pulse, and join together the software to constitute subsidiary calibration distributed on equal time, complete the task of on - line subdivision in the dynamic measure process, finally up pass the data to pc, pc handle it and get examination result

    下位機是硬體集成電路,利用重慶大學張光輝教授、彭東林教授的發明專利「計算機對的細分與辨向新方法」 ,附加頻率極高的外部插入,結合軟體構成按時間均勻分度的輔助標尺,實現動態測量過程中采樣的實時細分,最終完成數據採集任務;上位機主要是軟體部分,利用pc機接收下位機的採集數據並進行分析處理,得出檢測結果。
  17. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實驗結果表明該方法的主要優有:不需使用乘法器進行調制,調制採用與電網電壓同步的優化特定,其檢測精度只與同步相位有關,而與電網電壓幅值無關;降低了對輸入低通濾波器的通頻帶要求,直流和偶次諧波分量對檢測精度沒有影響;突出的優是可以消除有限個低奇次諧波對檢測結果的影響。
  18. To realize nolinear excitation controller, it must be improved that the disposal speed of nolinear excitation control " s signal. with analyzing and comparing all kinds of microcomputer excitation controller, a new microcomputer excitation control scheme is offered that is based on dsp controller while the cpld chip is utilized for realizing the function of pulse trigger. it is described in detail that the method of realizing controllable silicon digital logic by verilog hardware describe language and the designed digital pulse trigger " s veracity was validated by digital simulation

    論文進一步針對非線性勵磁控制要求處理速度高、息量大的特,在對目前微機勵磁控制器分析基礎上,提出採用dsp控制器晶元作為核心處理器的微機勵磁控制器的解決方案,運用復雜可編程邏輯器件cpld晶元實現可控硅同步觸發單元,並簡要說明了verilog硬體描述語言和數字形成邏輯的方法,通過電路數字模擬對所設計的數字觸發單元進行了驗證。
  19. First, delay window is used to reduce influence of pulse disturbance and signal amplitude to measurement result. second, according to the feature that width of receiving signal is wider than disturbing signal, width differentiation circuit is utilized to distinguish receiving signal and disturbing signal. third, most of digital circuits are integrated into isplsi ( in system programmable large scale integrated chip ) 1032 so as to simplify design and to develop the stability and reliability of the system

    關于提高系統的穩定性和可靠性問題:一是採用了延遲窗口接收技術,以盡可能減小干擾對測量結果的影響;二是根據接收寬比干擾寬要寬的特,採用寬鑒別電路來鑒別接收;三是用可編程大規模晶元isplsi1032對系統大部分的數字電路進行了集成化設計,達到既簡化電路設計、又提高系統穩定性可靠性的目的。
  20. These technologies, include the deinterleaving of radar pulses signal recognition tdoa extraction, is analyzed by theory and simulations. have got the precise tdoa, it is the major problem which discussed in chapter four that how to get the precise position of the target

    論文第三部分重針對的時差提取方法進行了理論分析,對時差提取過程中的相關技術,包括分選、識別、高精度時差提取等方面進行了理論分析和模擬。
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