計數電路圖 的英文怎麼說
中文拼音 [jìshǔdiànlùtú]
計數電路圖
英文
counting circuitry- 計 : 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 : 數副詞(屢次) frequently; repeatedly
- 電 : 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...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 圖 : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
- 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...
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This paper refers to several creation in compatibility with large volume of fed display and conversion of different video signal. it firstly used special central chip al300, designed correlative circuits, successfully developed vga full - color fed console system, compatible with resolution 1280 1024, achieved functions such as multi - video signal conversion and interleaving, met vga ’ s resolution of fed. it firstly designed and fabricated vga interface and separated video interface - - s - video, converting several video signals to 24 bits full - colored digital image signal in fed driving system, achieved separation of luminance signal and chromatism signal, enhanced the bandwidth of luminance signal
首次採用平板顯示專用控制晶元al300 ,設計並製作了相關配套電路,支持的最高解析度是1280 1024 ,實現解隔行和多種視頻格式轉換的功能,滿足了fed顯示屏對vga解析度的要求。首次在基於fpga的vga級彩色fed控制系統中設計並製作了vga介面和分離電視信號s - video介面,可以將多種視頻信號變換為fed驅動系統可用的24位彩色數字圖像信號,實現亮度信號和色差信號的分離,提高了亮度信號的帶寬。The principle of the hardware and software has been introd uced, with the circu it d i agram, the flow chart an d list of the program
介紹本次課題所用的196單片機的原理,設計出數字勵磁調節器的電路,分析裝置的硬體電路工作原理,給出詳細的硬體原理圖,設計運行程序流程圖。According to this idea, this paper first introduces the basic technology to design the instrument. it includes the theory of the laser, measures to survey distance with laser, the theory of the step - motor, subsection technology of the step - motor, the working theory of the single - chip, expansion of the single - chip orderly. the following are the design of the control system of the planimeter according to the principle of the context. it consists of two parts
最後根據前文介紹的知識先對單片機控制系統進行了硬體電路框圖設計,依據夠用原則對元器件、設備的選擇進行計算、說明、選定,使系統成為擁有完整的包括a d採集、數據存儲器、 8155擴展的鍵盤顯示、 p1口及8155的pa口輸出控制的單片機硬體控制系統電路。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
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速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脈沖再平衡測試迴路為設計方案,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;分析了二元調寬脈沖再平衡測試迴路的解析度、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計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,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計,實現了測試功能。By thorough analysis and synthetize this paper made a frame of the system of intelligent instrument and its hardware structure. as followed, this paper depicted design details of intelligent instrument " s hardware, it included the design of interface circuit, data commutations and digital logic of dsp, mcu, internet ' s chip and isp ' s apparatus etc., and have designed schematic map and circuit. so it accomplished the full design of hardware / software of the new type intelligent instrument
本文具體給出了新型智能儀器硬體結構及實現,描述了智能儀器硬體設計細節,包括數字信號處理器、單片機、 internet接入晶元、可編程數字/模擬器件等在新型智能儀器中的介面電路設計、數據通信設計和數字邏輯設計等,詳細地給出了設計原理圖和電路圖;給出了新型智能儀器的軟體設計細節,從而完成了新型智能儀器完整的軟硬體設計。We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions
通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫元件;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法,進行圖形處理。Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect
在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。In this thesis, the image enhancement was also studied, such as dlti 、 dcti ( digital luminance 、 color transient improvement ), peaking ( luminance peaking ), ble ( black - level enhancement ), brightness 、 hue 、 contrast and saturation adjustment, and then the hardware circuit was designed
研究了dlti (數字亮度瞬態增強) , dcti (數字色度瞬態增強) , peaking (亮度峰化) , ble (黑電平延伸) ,亮度、色調、對比度和飽和度調整等圖像增強技術,並完成了圖像增強電路的設計。Due to the unpredictable fluctuations and bushiness of traffic flows within networks, congestion may occur frequently
它結合了電路網路和計算機網路的優點,能承載語音、數據和圖像等多種業務。Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters
最後,提出了基於二元線性回歸的用戶諧波發射水平估計方法,該方法在假設公共聯接點諧波發射穩定的情況下,結合系統側戴維南等值與用戶側諾頓等值的電路圖,按照最小二乘法原理,利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程,並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文( 2003 )接點產生的電壓降。Firstly the electric - drive equipment is simplified in order that its circuits " working status could be obtained by computer by disposing the sampling value. secondly interface program is designed under objectarx2000 in order to drive the static circuit diagram drawed by autocad. lastly sampling value is transferred through the communication between pc and several sampling scms
有幾個關鍵性技術問題得到了解決:首先將電傳動裝置進行簡化,使其電路工作狀態通過計算機對電壓采樣值的處理得到確定;其次利用二次開發工具objectarx2000開發出介面程序,實現了對autocad所繪制電傳動電路圖的驅動;最後通過pc機同多個采樣單片機的通訊解決了對大量采樣數據的傳輸問題。The thesis finished a sample instrument used in measurement node. it is based on 8 - bit micro controller unit and has smart functions including auto calibration, auto scale change and auto balance of whetstone bridge. the data can be processed, stored, transferred and displayed in the sample device
本文完成了測試系統中基於16位微處理器的網關的硬體架構和軟體實時多任務內核的設計;研製了基於8位微處理器的具有自校正、自動量程轉換及測試電橋的自動調平功能的測試節點樣機;實現了測試節點的數據處理、存儲、顯示和傳送;繪制並編寫了測試節點的硬體電路圖和軟體源程序。Then the designs of modules mentioned in the scheme are discussed in detail. the main contents of the dissertation include : 1. to satisfy the need of a16 / d16 single - cycle and block data transfer capability, the method of the state machine and diagram are adopted. the arbiter, requester, interrupter, interrupter handler modules are also implemented by use of the state machine. these modules are verified theoretically by using timing simulation
本文具體工作如下: 1 .用狀態機和電路圖的方式實現了vme總線a16 / d16單周期數據讀寫和塊傳輸功能;並用狀態機設計了vme總線請求器,總線仲裁器,中斷器和中斷處理器等,並進行了時序模擬。This paper introduces the hardware design of the high speed data acquisition system based on scm and fpga, provides the connecting scheme of the circuit, and points out the flow chart and design language of this system
介紹了基於單片機和fpga的高速數據採集系統的硬體設計,提供了電路圖的連接方案,指出了系統的流程圖和設計語言。We test the experimentation system by fixed - quanity emu1ation with standard data, and the performance ana1ysis indicates that when the size of circulatory prograxn seginent is smaller than the cache size, the cache hit rate is higher than 90 %, while bigger than the cache size, the hit rate is between 48 % and 74 %
本文詳細論述了定義cache工作的類mesi協議,針對實驗儀的結構,給出了cache的設計原理圖和電路圖。用典型數據定量模擬測試,分析性能,結果證明,循環的程序段容量小於cache時, cache命中率高於90 ;大於cache時, cache命中率在48 - 74之間。The hardware section chiefly consists of data collection circuit, export control circuit, keyboard and display interface circuit and hardware design rule and concrete circuit diagram of communication interface circuit
硬體部分主要包括數據採集電路、輸出控制電路、鍵盤與顯示介面電路、通訊介面電路的硬體設計原理和具體的電路圖。The measuring instrument for blade resonant frequency mainly consists of a front end circuit, a signal collecting circuit, and a coiilputing and displaying circuit. this paper provides a detailed hardware diagran, software flow chart and design process, expounds the operation and calibration of the instrument, and analyses the measuring data in detail according to different conditions
葉片共振頻率測試儀主要由前置電路,信號採集電路及運算和顯示電路組成,文中給出了詳細的硬體電路圖、軟體流程圖及設計過程,闡述了該儀器的使用和校驗方法,並針對不同的狀況對測量數據進行詳細的分析。On the basis of analyzing the present situation and existing problems of the gas supply system in launch area, the thesis describes the general technical principles and parameters in the system designing and analyses the basic control functions the system should realize. and the thesis also shows the statistics of reference points in air 、 nitrogen and helium systems and related circuit diagram and pipe diagram
本文在分析了發射場配氣系統的現狀和存在的問題的基礎上,提出了系統設計中的主要總體技術要求、參數,分析了系統應實現的主要控制功能,然後分別對空氣、氮氣和氦氣系統的控制點進行了統計,並給出了有關的電路圖和氣路圖。In order to design a simple digital storage oscillograph under low price and high performance, on the basis of introducing the principle of simple digital storage ocsillograph, the project of simple digital storage ocsillograph is stuied, the d / a and signal display module of simple digital storage oscillograph is designed by the mcu and integrate circuit technology, the hardware block diagram provided in detail
摘要為了設計出一種價廉物美的簡易數字存儲示波器,在介紹簡易數字存儲示波器工作原理的基礎上,對簡易數字存儲示波器的設計方案進行了研究,並採用單片機和集成電路技術,對該簡易數字存儲示波器的信號顯示模塊進行了設計,具體給出了數模轉換器和信號顯示模塊的硬體電路圖。But because it is primary a circuit design software, the calculation capability of which is not very good, it can not gain the circuit structure and parameter according to the system index. the study how to use cad software to adjust circuit structure 、 to confirm circuit parameter and enhance design efficiency has important theory value and practical value
由於該軟體主要是電路圖和印製版的設計和模擬,而不能直接從系統設計指標得到電路結構及參數,因此,研究如何藉助輔助計算軟體,調整電路結構,確定電路參數,提高設計效率有著十分重要的理論意義和實用價值。分享友人