數字沖模 的英文怎麼說

中文拼音 [shǔchōng]
數字沖模 英文
numbering dies
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
  1. The system comprises three modules : the first is the ccd driver module, which controlled with cpld. programming the cpld to produce ccd driving pulses and synchronized communication signals. after preprocessing, the output video signals are transmitted into high resolution adc module, in which they are converted into digital signals, and then processed in arm processing module

    整個系統分為三個塊: ccd驅動塊的核心是一片復雜可編程邏輯器件( cpld ) ,對其編程產生ccd的驅動脈及同步控制信號;視頻輸出信號經預處理后,由高精度ad轉換塊進行采樣,將ccd輸出的擬信號轉換成量;最後,將據送入arm處理系統中進行后續處理。
  2. The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing

    本課題主要完成了a d解碼塊、 fpga視頻處理塊、視頻據幀存塊、基準時鐘產生塊、 d a編碼塊、 i ~ 2c總線控制塊等部分軟、硬體設計及調試。其中a d解碼塊採集擬電視信號實現視頻解碼; fpga視頻處理塊對解碼后的據進行去噪處理的同時還負責系統的邏輯控制;視頻據幀存塊為大量高速的視頻據提供緩區;基準時鐘產生塊通過輸入基準視頻信號為系統提供精確的相關同步信號; d a編碼塊在視頻處理塊的控制下把視頻據轉換成復合電視信號供顯示用: i ~ 2c總線控制擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。
  3. Abstract : to counter the ore - rock with different characteristics, the theory of wave mechanics on impacting machinery was used in combination with the results of digital emulation study of hydraulic hammer machine to obtain the output impact energy of hydraulic hammer apparatus and the power of the main engine of hydraulic hammer machine, thus providing the basis for proper selection of the hammerhead and chassis of hydraulic hammer machine

    文摘:針對不同特性的礦巖,運用擊機械波動力學理論,並結合液壓碎石器的擬研究結果,得出液壓碎石器的輸出擊能與液壓碎石機的主機功率,從而為合理選用液壓碎石機錘頭及底盤提供了參考依據。
  4. To counter the ore - rock with different characteristics, the theory of wave mechanics on impacting machinery was used in combination with the results of digital emulation study of hydraulic hammer machine to obtain the output impact energy of hydraulic hammer apparatus and the power of the main engine of hydraulic hammer machine, thus providing the basis for proper selection of the hammerhead and chassis of hydraulic hammer machine

    針對不同特性的礦巖,運用擊機械波動力學理論,並結合液壓碎石器的擬研究結果,得出液壓碎石器的輸出擊能與液壓碎石機的主機功率,從而為合理選用液壓碎石機錘頭及底盤提供了參考依據。
  5. In this paper, the design of a specific chip for circuit emulation based on ip is put forward and realized and the main functional modules and the key algorithms including an all - digital adaptive clock recovery method and a dynamic depth buffer algorithm are described in detail

    文章根據相關標準提出並實現了一種電路擬專用晶元的設計方案,並對其中主要功能塊和關鍵演算法作出了詳細說明,包括一種全的自適應時鐘恢復方法、動態深度緩演算法等。
  6. Flexible dimming control utilizes either an analog control signal or direct digital pwm control without external rc filtering. this also increases dimming accuracy at low brightness levels

    電路採用靈活的調光控制方式,既可輸入擬控制信號,也可直接輸入寬度調制信號而不需要外置rc濾波器。
  7. In this paper, the mathematics model and simulation model of the passive landing gear shock absorber was built, and was verified by drop test. aimed at acquiring suitable efficiency diagrams, two simple semi - active control algorithms were designed. the mathematics model and simulation model of the semi - active landing gear shock absorber was built

    在本文中,建立了被動控制起落架緩系統型和型,並通過落震試驗對該型進行參校驗;以合適的功量圖為控制目標設計出兩種半主動簡單控制律,建立了半主動控制起落架緩型和型;通過擬對這兩種控制方法進行了比較,認為半主動控制較被動控制有很大的優越性。
  8. For obtaining exact solution for the impulse response or step response, the preferred method is to solve the original differential equation on a digital or analog computer.

    要獲得脈反應或階躍反應的精確解,最好的辦法是用擬計算機求解原始微分方程。
  9. This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design

    首先進行了方案論證,對糊控制演算法和pid調節演算法、觸發脈的一般演算法和雙余演算法進行了詳細地研究分析,提出應用糊控制和雙余法解決下述問題,即該論文主要的新見解和所完成的工作: ( 1 )為了克服直流電機參時變性和非線性因素對控制性能的影響,本設計中,雙閉環調速系統的外環採用糊控制,內環採用pi控制,使系統在一定范圍內對直流電機參變化和非線性因素影響有自適應能力; ( 2 )針對常規觸發器演算法中觸發脈的可靠性不高,經常出現漏脈或是脈混亂的情況,本文採用雙余法,該演算法具有響應快,可靠性高,具有良好的適應性及抗干擾能力; ( 3 )本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶元,應用該晶元完成系統的軟硬體設計: ( 4 )本文對系統抗干擾的軟硬體措施進行了重點研究; ( 5 )設計了具有糊控制的全直流傳動系統原理樣機,並進行了試驗驗證,對試驗過程中出現的問題及時解決,最終實驗結果證明設計是可行的。
  10. The software includes a monitor program, an initialization module, a watchdog module, a data fusion module, a can transmission module, a quadrature encoder pulse count module and an a / d interrupt service program

    該系統軟體包括監控程序、初始化塊、看門狗塊、據融合塊、 can通信塊、量採集塊、正交編碼脈塊和a d中斷服務程序。
  11. In this paper what is mainly discussed is the hardware implementation of the two application specific information processing modules by cpld or fpga, which are s + p inverse transformation, the inverse transform module of an image compressing system, and 4096 - point complex fft / ifft module, the central module of the digital pulse compressing system

    本文討論的就是應用cpld fpga來實現兩個專用信息處理塊的設計。它們分別是圖象壓縮系統的圖象反變換塊? s + p逆變換塊及壓縮系統的核心塊? 4096點fft變換塊。
  12. This paper focus on the transmitter structure in uwb communication system

    並設計了擬以及幾種不同的窄脈發射方法。
  13. ( 2 ) to meeting the application cases, analog and digital method of impulse generator are discussed in the thesis

    ( 2 )採用以及擬的方法設計了不同的窄脈發射方案。
  14. Pulse processor has two kinds : digital and simulative, digital one is quicker than simulative mode to process the data

    5脈處理器,分為擬脈,顯然擬脈據處理速度要快。
  15. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈拓寬電路,功率放大驅動電路等,完成了觸發、調節、轉換等功能;進線電源變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。
  16. 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脈觸發單元,並簡要說明了verilog硬體描述語言和形成邏輯的方法,通過電路擬對所設計的觸發單元進行了驗證。
  17. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全攝影測量系統地面影像型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈信號鑒相和計、信號處理部分的狀態控制以及和pci總線晶元ch365之間的據交換和通信功能,同時該設備的驅動程序基於wdm式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。
  18. C / c + +, circuit analysis, analogous circuit, pulse and digital circuit, signal and system, physical optics, microcomputer principle andconnection technology, modern communication principle, informationtheory and code, guided waves optics, optical fiber technology andapplication

    電路分析,擬電路,脈電路,信號與系統,物理光學,微機原理與介面技術,現代通訊原理,信息理論與編碼,導波光學,光纖技術及應用
  19. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳輸器ccii入手,重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩放大器cdba的電路結構及其型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法,主要方法和結果如下:利用mddccii設計了差分式連續時間電流式低通、帶通濾波器;電流式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流式雙二階通用濾波器;設計了基於多輸出端ftfn的電流式二階通用濾波器電路;通過化開關選擇的基於fbftfn的電流式通用濾波器;設計了基於最少個電流緩放大器(兩個cdba )的多功能通用電流式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算擬(信號流圖法)和反饋設計(跳耦法) 。
  20. Are the average value of the fool height this value will only bere - calculated when the press power is turned off or the sensing line is away from the the sensor andre - put into the sensor

    開始動作時,此檢知前四次顯示具高度測試平均值當床電源開關切掉「 off 」時
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