脈沖計數電路 的英文怎麼說

中文拼音 [màichōngshǔdiàn]
脈沖計數電路 英文
pulse-scaling circuit
  • : 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
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • 計數 : count; tally; counting計數卡 numbered card
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. 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

    首先對加速度及其測試技術的發展歷史和現狀,液浮擺式加速度的工作原理和學模型等作了簡要的介紹,然後確定了以二元調寬再平衡測試迴為設方案,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,利用系統開環傳遞函分析了系統的穩定性,同時設了系統的校正網;分析了二元調寬再平衡測試迴的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設了包括前置放大、帶通濾波、交流放大、相敏解調、寬調制、頻標以及力矩流發生器等測試系統各部分硬體,驗證了的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設,實現了測試功能。
  2. This circuit board can translate impulse signal outputted from photoelectric sensor into ascii codes and then input them into serial interface of the computer, these ascii codes are ulteriorly displayed and disposed through the cat software

    板可將光傳感器輸出的信號轉換成ascll碼輸入到算機串o ,進一步通過相應的cat軟體進行顯示與據處理。
  3. Based on the study of transferring characteristics of the lcc - type resonant voltage, the parameter combinations, which make widths and magnitudes of voltage pulses of resonant network adjustable, arededucedo when the following requirements are met : fn > 3, k > 3 or cp / cs > 8, the above circuit is of natural voltage - stabilized characteristics, thus open - loop control method for bucking voltage is presented and the experimental results verify that the method is feasible.,

    實測整機在額定負載時效率達到88以上。在研究lcc諧振網壓傳輸特性的基礎上,推導出滿足可變寬度和幅度的諧振網輸出列的參組合。設f n 3 、 k 3或c _ p / c _ s 8時,諧振網具有自然穩壓特性,因此本文提出並實驗驗證了一種整機為降壓時的開環控制策略。
  4. Recommend a real - time pulse counts circuit with low consumption

    摘要介紹一種低功耗實時脈沖計數電路
  5. Two pulse counting circuit

    脈沖計數電路
  6. 7 in order to improvement the performance of the whole system and reduce the cost, a new signal processor is given, which based on the new pulse count method brought forward by the author

    從系統聯調的測試結果可以看出,利用自適應檢波,可以大大改善基於新方法的雷達信號處理機的性能,使得雷達系統的測距精度大大提高。
  7. The video signal processing circuit realizes the primary catching, filtering and signal amplifying. variable threshold binarization processing circuit and two - channel counter are designed to sample to count the output pulse signal, which is processed, deposited and displayed in microprocessor. the communication interface circuit with the computer is also designed

    視頻信號處理完成了原始信號的初級捕捉、濾波、視頻放大等處理,設了浮動閾值二值化處理,採用兩器對輸出信號采樣,最後送入微處理器進行運算處理,可實現測量值的儲存、顯示等,並設了與上位機的通訊介面。
  8. 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,利用重慶大學張光輝教授、彭東林教授的發明專利「算機對信號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點的實時細分,最終完成據採集任務;上位機主要是軟體部分,利用pc機接收下位機的採集據並進行分析處理,得出檢測結果。
  9. These results prove that the charging action of the power supply is right. the simulation method is applied with other power supply system. at the same time, the hardware system of 2qkv - 60kw high - voltage capacitor direct current charging power supply is described in this paper, and discuss why designed a full digital phase - shifting pulse circuit

    同時,本文敘述了20kv ? 60kw高壓容直流充源的硬體的設,其中討論了為什麼不採用已有的uc3875 、 uc3879等晶元來產生zvspwmdc dc變換器的移相,設了全字式移相產生
  10. 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

    本文論述了高頻直流環節航空靜止變流器的工作原理,獲得了關鍵準則。
  11. 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信號處理速度高、信息量大的特點,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硬體描述語言和形成邏輯的方法,通過字模擬對所設字觸發單元進行了驗證。
  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源的工作原理,根據準連續工作方式下的特殊要求,論證了源的主要環節的可行性方案,設了相應的硬體與軟體程序, (實現了定時的精密自動化控制、字式顯示機半導體激光源的無壓、無浪涌流的穩壓恆流供
  13. Comparing the different design method of the asic, we decide to realize our design through fpga. then, we analyze the main function of the data - collecting device which include pulse signal collecting, counting the pulse according to different time, display, storage, communicating, remote control and so on. according to some technology rules, we design the asic through verilog hdl

    根據抄表器所需實現的表據採集、據的分時段管理、顯示控制、據存儲及通訊管理、遠程控制的管理等功能,結合現有的一些技術規范,用veriloghdl實現抄表器的硬體描述。
  14. The results from the calculation and simulation indicate that this thyristor trigger has had a wide triggering angle, high controlling precision and better symmetry output pulses, whereby obviously improving the dynamic performances of the digital - type trigger and overcoming some defects in traditional triggering electric circuit in such a way as to satisfy the requirements by the diqital controlling equipment with high power and reliability

    算和模擬結果表明,該觸發器的觸發角范圍大、控制精度高、輸出對稱度好,明顯地提高了字式觸發器的動態性能,並克服了傳統觸發的一些缺陷,可滿足大功率和高可靠性字控制設備的要求。
  15. The reflected wave will be received by the receive antenna and transferred to digital data. we can analyze the data that saved by the computer of gpr to deduce the medium ' s property, situation, location and so on. being a kind of nondestructive, untouched method, it has many advantages such as nondestructive, rapidness, simpleness and high precision, so it will have wide applications in the ways of examination, control and maintenance to road quality, especially for highway

    用探地雷達是近幾年發展起來的、應用於公無損檢測的一項新技術,它利用超寬帶磁波對面結構層進行探測,當雷達發射天線發射的磁波在面結構層中傳播時會在介特性突變處產生反射和透射,反射回來的波經由接收天線接收並轉化為字信號儲存起來,通過分析探地雷達回波信號來估面結構層的性質、狀態和位置等特徵。
  16. The task of the test system is to comprehensively test the electrical performance parameters of the pulse convert circuit which is one of the accelerometer components in the system products

    測試系統的任務是綜合測試導彈捷聯慣導系統產品中加速度組件之一「大量程變換扳」的性能參
  17. Abstract : a noise model for the analog correlator used in the ultra wideband receivers is proposed due to lack of simulation capability on noise performance of the correlator in current eda tools. the analog correlator circuit is divided into several parts to calculate the equivalent noise sources respectively. the ideal impulse generators, instead of the noise sources, are then applied to obtain the time varying transfer functions. fourier transforms are carried out to explore the relationship between the noise input and output in frequency domain for each part. then the symmetrical noise sources are grouped together and the periodicity of the circuit is utilized to further simplify the model. this model can be used to evaluate noise performance of the correlator

    文摘:給出了分析模擬相關器的噪聲模型.將相關器分成不同的幾個子模塊后,對各模塊分別算等效噪聲源.然後用理想源代替噪聲源的時變傳輸函,接著用傅里葉變換算輸入輸出的頻域關系.利用的對稱結構合併對稱的子模塊可以進一步簡化模型.該模型可以用來估相關器的噪聲性能
  18. 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;二是根據接收信號寬比干擾信號寬要寬的特點,採用寬鑒別來鑒別接收信號;三是用可編程大規模晶元isplsi1032對系統大部分的進行了集成化設,達到既簡化、又提高系統穩定性可靠性的目的。
  19. The clock and data pulsation signals from upper sensor heads can be received using pin diode, then, amplified and inverted in logical control unit for the purpose of cpu operation. hereinafter, the digital signal will be delivered into the central processing unit ( cpu ) for related calculation, and meanwhile transmitted to a d / a converter for signal recovery after filter and phase - shift circuit

    通過採用pin管接收從傳感頭傳遞下來的時鐘信號,並將它們放大整形傳送到邏輯控制單元,產生邏輯控制信號,再將字信號傳送給d / a轉換器,設了濾波器和移相器,還原出了原始的被采樣信號。
  20. In this paper, the if circuit, the processor based on the pulse count technology and the adaptive signal processing of the system are discussed thoroughly. major contents are abstracted as follows : 1 the evolved. history of the anticollision radar system is given curtly. the development of the signal processing of the radar and the application of the digital signal processing technology to the radar system is summarized

    本文重點討論了毫米波防撞雷達系統的中頻及其改進、基於新方法的處理機和自適應信號處理等的研究工作,主要研究內容摘要如下: 1簡要介紹了防撞雷達系統的發展歷史,總結了雷達信號處理的發展和字信號處理技術在雷達系統中的應用及其實現方法。
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