數字輸出器 的英文怎麼說
中文拼音 [shǔzìshūchūqì]
數字輸出器
英文
digital follower- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (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
- 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
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Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路,對光弱信號進行調制和線性化處理,運用比色法原理對溫度進行檢測.為了便於儀器擴展,增加了模擬量輸出和數字介面,並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹Vga chase row output meet all fig image signal output can directness mate fig tv and display entirety dispel coruscate boost menu mass and definition video decode in put tone exceed convulse
Vga逐行輸出介面,全數字圖像信號輸出,可以直接配接數字電視和顯示器,完全消除閃爍,提高畫面質量及清晰度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
整個系統分為三個模塊: ccd驅動模塊的核心是一片復雜可編程邏輯器件( cpld ) ,對其編程產生ccd的驅動脈沖及同步控制信號;視頻輸出信號經預處理后,由高精度ad轉換模塊進行采樣,將ccd輸出的模擬信號轉換成數字量;最後,將數據送入arm處理系統中進行后續處理。Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit
延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻,通過低通濾波取其差頻,並經整形後由數字信號處理電路處理。As to the abuses of that analog circuits mix digital ones, special components mix general ones, and overfull append devices in domestic and overseas capsule endoscope electric systems, we introduce a full digital, high - integration and simple - configuration idea for the design of capsule endoscope electric system, then designed and made camera module, wireless transceiver module and usb data transfer module
針對目前國內外的膠囊內窺鏡電子系統裝置中,數字電路與模擬電路並存、專用器件與通用器件並存、附加設備過多的弊端,本文提出了數字化、集成化、精簡化的膠囊內窺鏡電子系統設計思路,並分別設計製作了膠囊內窺鏡系統的攝像模塊、無線收發模塊和usb數據傳輸模塊。Giving the goal and conceptual design, this paper pays attention to expatiate how to practically use the techniques of image - processing, communication and recognition in remote image monitoring system, and discusses how to realize the key techiques such as terminal connection and frame design, platform decoding control and alarm, image communication and track, etc. in order to overcome most existing image monitoring systems " shortages - those systems are at low intelligent level, need overfull manual work and ca n ' t work all day, this paper has adopted the advanced image code / decode technology and digital image transmission technology, and has applied the intelligent image processing and recognition technique to the display, adjust and track of images
本論文在設計圖像監控系統的建設目標和總體方案的同時,重點闡述了圖像處理、通信與識別技術在遠程圖像監控系統中的應用實現,給出了圖像監控系統中的終端接入和框架設計、雲臺解碼控制與報警、圖像通信和圖像跟蹤等關鍵技術的實現。針對現有的圖像監控系統大部分採用人工為主,機器為輔,智能化程度低,不能全天候工作的現狀,本文採用先進的數字圖像壓縮編解碼技術、數字圖像傳輸技術,將智能圖像處理與識別技術應用於圖像的顯示、調整、跟蹤,克服了一般監控系統要求監控人員過多地干預、智能化程度低的缺陷,並總結了其特點和優勢。In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance
在基於dsp的數字變換器平臺中,採用全數字波形校正技術,完全補償了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的畸變,充分保障了變換器控制的準確性;採用數字直流分量調節技術,可以精確地對控制信號進行補償,在充分保證輸出性能的前提下,實現了輸出直流分量的調節。Adjusting digital potentiometer in controlling circuits of sps and capacitor charging and discharging circuit separately with industry control computer ( icc ), the peak value and repeat frequency of output pulse can be adjusted separately. controlling relays to choose different capacitors with icc, the width of output pulse can be adjusted
利用工控機分別調節開關式穩壓電源控制電路和電容充放電控制電路中的數字電位器,就能分別調節輸出陡脈沖的幅值和重復頻率;利用工控機控制繼電器選擇不同的充放電電容,就能調節輸出陡脈沖的脈寬。Furthermore, it is easy to use different control strategy in the digital inverter, so different pwm control can be used, in order to optimize the design of output filter and improve the output performance
同時,在數字變換器平臺上可以方便地實現各種控制策略,達到進一步優化輸出濾波器參數、提高輸出電能質量、提高變速恆頻電源整體效率等目的。Finally, it takes a detailed test to the processed millimeter 4 - bit digital phase shifter. the test result is better than expectant guideline : the maximum of the phase error is 10, the insertion loss is better than 10. 74db, the return loss is more than - 14. 88db in the 33. 9ghz 34. 5ghz frequency band. the whole volume of the phase shifter is 80mm 35mm 20mm
最後,對加工出的毫米波四位數字移相器進行了測試,測試結果完全達到了預定指標要求:在所要求的33 . 9ghz 34 . 5ghz頻帶內,最大相移誤差小於10 ,插入損耗小於10 . 74db ,輸入輸出回波損耗大於- 14 . 88db ,整個電路尺寸為80mm 35mm 20mm 。Computer control is easy through the ieee - 488 interface, or via the second rs - 232 port. since all channels perform their own processing and the i o is handled by the main processor, the power analyzers offer unparalleled interface speed. twelve analog and 16 digital outputs can be set to track and alarm on specific parameter ranges
經由ieee - 488或rs - 232埠可提供簡易的電腦控制,由於所有通道均進行固有的處理及由主處理器管理i 0 ,功率分析儀遂能提供非平行式的介面速度, 12個模擬和16個數字輸出可被設作追蹤與警報特殊參數范圍In order to obtain three - phase four - line ac output, system applied the four - legged main circuit topology. with the 3d - svm, the power system realizes voltage regulation and three - phase four - line output. meanwhile, this kind of control is easy to be realized in the digital inverter
為實現三相四線的交流輸出,變換器電路採取四橋臂新型拓撲,其控制採取了三維空間矢量調制,實現了變換器的在線調壓及輸出中點的形成,具有良好的動靜態性能,且這種控制思想可以方便地在現有數字變換器平臺上實現。Xmt series intelligence digital indicate controller and have advantanges of small size and high anti - interference. the products are manufactured according to the international standards and use transformer or 85 ? 264vac wide range input switch power. multiple installation dimensions allow for compatibility with most of the automatic industrial controlling / adjusting instruments in the world in respects of performance specificatons, input patterns, output functions and installation dimensions. therefore, the products are digital controllers at internationally advanced level
Xmt系列智能數字顯示控制器,體積小,抗干擾能力強,產品按國際標準製造,採用變壓器或85 ? 264vac寬范圍輸入的開關電源,並有多種外型尺寸,能與世界大多數工業自動控制/調節儀表在性能指標、輸入方式、輸出功能、安裝尺寸上兼容,是具有國際先進水平的數字控制器。Sercos interface, a serial real - time communications system, is an connection of nc controller, drives, motion unit and i / o unit of nc control system, which are connected by a fiber optical ring
Sercos介面是數字控制系統中連接數字控制器、驅動器、執行機構以及輸入輸出部件,在彼此間進行實時通訊的國際標準。 sercos介面採用光纜將控制部件連接在一起,構成一個封閉的環路。The simulation result is about the output - velocity characteristic of the m otor proving that fuzzy - adjustable - pid control strategy is superior to traditional pid control strategy and the validity of the digital controller ' s calculation
通過模擬分析,得到了馬達輸出轉速的動態響應,證明了模糊自整定pid控制效果要優于傳統pid控制、數字控制器選用演算法合理。Control arithmetic of position loop and velocity loop has been realize in the digital controller, whose output is pwm signal with adjustable occupy rate which is put in the driving circuit to realize motor ’ s position and velocity control
在數字控制器中實現位置迴路和速度迴路的控制演算法,其輸出為可調占空比的pwm信號經驅動電路實現電機的位置和速度控制。( 2 ) data - processing module, its functions is using dsp processor to designdigital filter for the receiving signals, work out the root mean square values and phaseangle, then the phase compensation technique is applied to modify the signals, at lastexport the combining frame data. to data - output module. ( 3 ) data - output module, its functions is transmitting combining frame data toethernet controller, then send the data to the protective device
( 2 )數據處理模塊利用dsp處理器對接收到的數據信號進行數字濾波設計,求出相應的均方根值及相位角,並對信號進行相位補償,最後將數據組幀后傳給數據輸出模塊; ( 3 )數據輸出模塊將組幀后的數據傳送到以太網控制器,繼而發送給二次保護測控設備。For the 32 phase states, within the frequency band of 60mhz 10mhz, the insertion loss of the phase shifter is lower than 2. 3db, the imbalance of scope is lower than 0. 3db, the phase error is better than 3. 3 degree, the input / output vswr is lower than 1. 7. physical dimension is 40mmx30mmx20mm
實測結果表明:中頻寬帶五位數字移相器在60mhz 10mhz頻率范圍內, 32個相位狀態的插入損耗都低於2 . 3db ,幅度不平衡小於0 . 3db ,相位誤差小於3 . 3度,輸入和輸出電壓駐波比都小於1 . 7 。Hardware interface and theory of digital controller and velocity output are emphasized in hardware design section ; pwm wave producing module closely related chip structure is emphasized in software design section
硬體設計部分重點介紹了數字控制器和速度輸出環節的硬體介面和工作原理;軟體設計部分重點介紹了與晶元硬體結構緊密聯系的pwm波形產生程序模塊。Pwm signals output by the digital controller were amplified to realize motor ’ s torque and velocity control
數字控制器輸出的pwm信號經si9979cs進行功率放大,實現電機的力矩和速度控制。分享友人