數字組合器 的英文怎麼說
中文拼音 [shǔzìzǔgěqì]
數字組合器
英文
digital combiner- 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 ...
- 組 : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 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
- 組合 : 1 (組織成為整體) make up; compose; constitute 2 (組織起來的整體) association; combination3 [...
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The hardware is composed of digital luminometer, rotate encoder, step motor and data acquisition card, solenoid - operated clutches. the software is developed in visual c + + 6. 0 which is an oop programming environment and has plenty of resource to use. this system can implement high speed, automatic measurement
課題對測定系統進行了總體設計,硬體部分由數字照度計、旋轉編碼器、步進電機、電磁離合器等組成,軟體部分利用acl - 8216數據採集卡,以vc + + 6 . 0作為軟體開發平臺,充分利用vc + + 6 . 0生成友好界面的優勢和acl - 8216的資源,開發出了測試系統。As a new development in the field of electronic oscilloscopes a hand - held digital oscilloscope is a truly integrated test tool, with digital storage oscilloscope ( dso ), multimeter and digital ondometer in one easy - to - use instrument
=手持式數字示波表是示波器技術的一個新的發展方向。通過使用大規模集成電路和液晶顯示器,它把數字存儲示波器、數字頻率計、數字萬用表組合在一個手持式儀表體內。Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method
在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。A handwritten numeral recognition system based on the combined classifier is built up in this paper. many pattern recognition ways and many handwritten numeral characters are used in the system
本文建立的基於組合分類器的手寫數字識別系統,綜合使用了多種模式識別方法,全面反映了手寫體數字各方面的特徵。This converter includes not only analog parts such as the bandgap voltage reference, voltage pump, sample / hold unit, one bit comparator of high precision, multiply - by - two and difference unit, but also digital parts such as register and multiplexer. so the design of this type of converter is mixed signal design
模數轉換器的內部電路包括基準源、降壓模塊、抽樣保持電路單元、高精度的1bit比較器、倍乘作差單元等模擬電路模塊,以及寄存器組、選擇器等數字電路模塊,屬于數模混合電路。Many apropriate features ways and many pattern recognition are used in the system. the results of experiment show that this system can get high correct rate and high reliability in recognising printing numerals with big revolving angle
本文建立的基於組合分類器旋轉不變的印刷體數字識別系統,綜合使用了多種模式識別方法,全面反映了帶有多種旋轉角度數字的各方面特徵。Complex programmable logic device ( cpld ), usually used to develop asic, is widely used in digital system to accomplish complex combinational and sequential logic
復雜的可編程邏輯器件( cpld )廣泛地用於數字系統中,常用作設計自己的專用集成電路,可實現復雜的組合邏輯和時序邏輯。The thesis analyse the error and the feasibility of the system. because the precision of position and direction is related with the precision of the heading and the distance, the thesis discuss the method of obtaining the distance using milemeter, water milemeten engine ' s rotate speed and accelerometer, and the method of obtaining the heading using the combination of the gyrocompass and the digital compass. then the thesis introduce the details of the system realization, include the hardware and the software
由於航位推算的精度與航程和航向的精度直接相關,因此,論文討論了用里程計、水速表、引擎轉速或加速度計等獲取里程的方法,用航向保持器和數字磁羅盤組合的方法獲取航向角的方法(初始尋北由數字磁羅盤來完成) ,這為採用數據融合方法提高航程和航向精度打下了基礎。Thirdly, the paper researchs the application of single electron transistor and the synthesis theory of cicuit based on quantum dot cellular automata by synthesis example of quantum cellular neural network based on build schr ? dinger equation of coupling quantum dot. at last, the paper researchs digital integrated circuit design based on quantum dot cellular automata and design a 8 - bit quantum dot cellular adder by qcadsign based on a method of majority logic reducetion for quantum cellular automata, it prove this designer of 8 - bit quantum dot cellular adder is correctly
Dinger )方程為基礎的量子點細胞自動機電路綜合理論,本文以量子細胞神經網路為綜合實例,建立耦合量子點的薛定鄂( schr ? dinger )方程組,通過化簡得到類似細胞神經網路的非線性電路方程。最後研究了基於量子點細胞自動機數字集成電路設計,通過建立邏輯方程,簡化邏輯方程,並設計基於精簡qca擇多邏輯門8位加法器,並用qcadesign進行了模擬,實驗證明設計正確性。With the use of new mcu p87c591, as the techiniques of serial communication and negative display of lcd, the dashboard has a very beautiful apearence and the system is simplified. not only the analogy signal and the pulse signal can be sampled into the instrument, but also the datum on the can - bus should be transferred into the system whit the connection to the in - vechile network. under the guindance of the idea of " informatic design ", the digital lcd dashboard system is developed, and the professional manufacturer of lcd display device is directed to develop and to design the special lcd module, by which the new lcd production is greatly optimized. all these intentions bing about a very well goal
在研製數字液晶儀表過程中,應用了新型單片機p87c591 、串口驅動技術和負顯技術,使該數字液晶組合儀表結構簡單,視覺美觀,既可以通過模擬通道、數字通道測量車輛傳感器的信號,又具備接入車輛總線、從can總線上獲得相關數據的能力。在項目開發過程中,運用「信息化設計」的觀點開展液晶顯示模塊的開發和設計工作;並根據軟體工程的原則,優化了液晶模塊的電路設計,使該項產品的開發取得了好的效果。Linear phase prqmf banks is one of focal points in multirate digital signal processing domain, its general pr condition is deduced mathematically in the paper, which is important for further studying its design method, in addition high speed hybrid filter banks adc system, high effective hybrid filter banks adc system and high - speed - and - resolution time interleaved adc system proposed in the paper have practical value
線性相位prqmf濾波器組是當今多速率數字信號處理領域的研究熱點之一,本文從理論上推導出了其理想重建的一般規律,這對進一步研究線性相位prqmf濾波器組設計理論有重要意義。此外,本文提出的高速混合濾波器組adc系統、高效混合濾波器組adc系統、高速高解析度時問交織adc系統,均具有實用價值。On the basis of high speed hybrid filter banks adc system, a kind of downsampler model based on bandpass sampling theorem is presented, and analyzed, proved in time and frequency domain, in addition a downsampler is designed according to the model. a class of high effective hybrid filter banks adc system which bases on the downsampler and radio frequency spectrum is proposed, of which digital signal rate falls m times as fast as the former
作者提出了一種基於帶通采樣定理的抽取器數學模型,對該數學模型進行了時域、頻域的分析證明后,設計了一種基於該數學模型的抽取器,進而根據無線電射頻信號頻譜的特點,提出了高效混合濾波器組adc系統,其數字信號輸出速率比高速混合濾波器組adc系統降低m - 1倍。This paper include the following parts. firstly the sine exciting - voltage is guaranteed by direct digital synthesize technology ; secondly the digital output of cos ( 9 ) and sin ( 9 ) are generated by microcontroller ; thirdly the two voltage signals which are the product of the two former signals gained by the multiplying d / a converter, being filtered and amplified, have constant frequency, and one amplitude has sine function relationship of with the input angle, and the other amplitude has cosine function relationship of with the input angle ; finally the two signals are acquired and analyzed by relative instrument and software
主要由以下幾部分組成:用數字頻率合成技術( dds )產生正弦激勵電壓信號u _ msin ( t ) ;用單片機產生幅度的數字量輸出sin ( )和cos ( ) ;用乘法型d a轉換器實現激勵電壓和幅度的乘積,並通過濾波器和功放后即得到頻率固定,幅值隨輸入角成正餘弦變化的電壓信號;最後用數據採集卡採集輸出信號,顯示波形並進行頻譜分析。The full automatic mechanical arm is built for letoff and wrap - up systems. the extruding quantities of each unit are controlled by frequency motor, the forming system adopts the synchronous group control. the digital displays are used for letoff, wrapup, extruding, drawing, line speed and meter recording
放卷、收卷設置機械手全自動控制;各組擠出量由變頻器控制電機來完成,成型系統由一臺變頻器群控三臺成型牽引電機,與機械配合達到同步,該設備的放、收卷、擠出、牽引、線速、計米全部由數字化顯示。The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc
系統基於斬波恆流驅動技術,按照頂層設計思想,採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架,設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等,利用該單片機獨有的hso和hsi介面及其強大的指令系統,實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制,在此基礎上,該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。Due to the sole - designed of the low voltage startup and power testing, for combined with the other four modules, we built the hardware and software flats, it was also convenient for continued extension. but, if there was different system wanted to combined in this system, we must redesigned all the hardware and software, it was a very hard work and could bring incompatibility. for this instance, the text designed a suit of number discriminating embedding system
但是如果有不同類型的系統也要增加到本系統中的話,就需要重新設計軟硬體,工作量很大,還容易產生不兼容等問題,針對這種情況,本文設計了一套數字識別的電器安全測試嵌入式系統,可以面向多臺儀器裝置,不採用電氣的連接,即是不改變原來的儀器裝置,通過電壓耦合元件攝像頭和視頻捕獲卡從測量儀器的顯示屏幕獲取測試信息,再把信息傳送到原來系統,從而組成了一個新的系統。Use of cookies on cathaypacific. com a cookie is an alphanumeric string of identifier that cathaypacific. com transfers to the cookie file of the browser on your computer s hard disk
我們的網站利用一般被稱為「數據內存cookies 」的字母數字組合,發送到您的瀏覽器。High resolution digital smps becomes the hotspot in the power supply field. more and more attention has beed payed to how to realize high resolution digital smps, and it has already taken a long step develop. improving the resolution of digital smps by new techniques becomes a forever topic. under the learning of the status and develping trend of smps, considering the practical requirement of task, a control system of smps implemented by microcontroller with high resolution, high speed, high integration is carried out. by combining the embedded system and power electronics, it is discussed that a high resolution smps ’ s output voltage with 0. 01 % resolution pwm wave output, in the basis of microcontroller, and the pwm wave double modulation arithmetic
不斷用新技術手段實現數字開關電源的高精度是一個永恆的話題。經過了解國內外開關電源的發展現狀和發展趨勢,結合實際課題的要求,提出了使用高精度、高速度、高集成度的微控制器組成開關電源的控制系統。討論了將嵌入式系統與電力電子結合,在微控制器硬體基礎上通過軟體pwm波雙調制演算法輸出高精度pwm波,實現開關電源輸出電壓的萬分之一精度的方法。Abstract : the paper analysis control requires of the axial - flow compressor. in order to protect axial - flow compressor from the surging, using the programming single - loop adjuster ( its kernel is a microprocessor ) as the adjuster, comparing with the traditional analogy / digital adjusters, can make the system much simpler, more functional and more reliable
文摘:分析了軸流壓縮機工況的控制要求和控制方案.採用了以微處理器為核心的智能儀表? ?可編程型單迴路調節器作為控制調節裝置,與傳統的模擬/數字調節器和繼電器開關組合的方式比較,系統構成簡單,控制功能強,可靠性高,為實現軸流壓縮機防喘振控制提供了一種集約式設計方案An unknown or unspecified combination of processor and bits - per - word
未知或未指定的處理器和每字位數的組合。分享友人