積算電路 的英文怎麼說
中文拼音 [jīsuàndiànlù]
積算電路
英文
integration circuit- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 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...
- 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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On the base of analyzing the development status and trend of the electromagnetic flowmeter technology, this article uses new mcu and ic to design the intelligent electromagnetic flowmeter that has a conversion instrument and a cumulation apparatus
本文在分析國內外電磁流量計發展現狀和趨勢基礎上,採用新型微處理器和集成電路來開發集轉換器、積算儀於一體的智能電磁流量計。Semiconductor, diodes, bipolar junction transistors, field - effect transistors, transistor amplifiers, frequency response, operational amplifiers, differential and multistage amplifiers, integrated circuits
半導體、二極體、雙極電晶體、場效電晶體、電晶體放大器、頻率響應、算放大器、差動及多極放大器、積體電路。During the period of measurement, the transduction circuits transform the differential pressures, the absolute pressures and the temperatures received by the sensors into the voltage signals, and then, the voltage signals are transformed into digital signals by the a / d convertor. the mcu processes these digital signals and calculates the cumulation of the flow. finally the totalizers contact with the pc by rs - 485 bus to form a distributed measuring network
在測量過程中,系統以流量計節流所獲得的差壓信號作為主信號、絕壓和溫度信號作為補償信號進行流量積算,這三種信號分別由相應傳感器感知后,經各自的物理信號測量電路轉換為電信號,再由a / d轉換模塊轉變為數字量,交微控制器進行處理、積算。Abstract : based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer. especially for saturation steam , the accuracy of the temperature detection circuit shall be designed higher than the accuracy of the instrument. thus a temperature detection circuit based on ratio method with high accuracy is introduced
文摘:在分析飽和蒸汽和過熱蒸汽密度的數學模型的基礎上指出,溫度檢測的偏差對智能流量積算儀的精度影響極大,尤其是飽和蒸汽,測溫電路的精度應設計為遠高於儀表的精度,同時引入一種基於比率法的高精度測溫電路。In contrast, application - specific integrated circuits ( asics ), optimized for a given task, such as the computing required in graphics or sound cards, are very fast but lack adaptability
相對而言,執行特定應用的積體電路,會針對給定的工作予以最佳化,例如繪圖或是音效卡所需要的計算,所以速度很快,但卻缺乏可塑性。The ade7758 is a high accuracy 3 - phase electrical energy measurement ic. it incorporates adcs, a digital integrator, reference circuitry, temperature sensor, and all the signal processing required performing active, reactive, and apparent energy measurement and rms calculations
Ade7758是高精度三相電量測量專用晶元,它集成了adc 、數字積分器、參考電路、溫度傳感器以及電能測量和有效值計算的數字處理模塊。Using current controlled conveyors, the designs of active components, function circuits, filters and oscillators have been systematically presented in this paper. the circuits are not only easy to integrated, but also adaptable
本文系統歸納和提出了以電流控制傳送器為積木部件設計有源器件、運算器件、濾波器和振蕩器的方法,所設計的電路不但易於集成,而且具有輸出可調的特性。Our item choiced msp430f149, a sort of singlechip as controller, designed our hardware electrocircuit to get the pulse wave singnal, and used msp430f149 to continuously search and calculate the peak - peak value of the pulse wave, and compute oxygen saturaction. in our study, in order to hurdle the dirft of baseline caused by the physiological difference of human bodies. we designed one circuit which can automatically regulate of the baseline of signal
本文以msp430f149晶元為控制器,設計硬體電路提取脈搏波信號,連續檢測脈搏波峰?峰值,計算氧飽合度。本課題採用了基線自動調節電路,以克服不同人體生理差異引起的基線漂移;設計了直流截取電路和可控積分放大電路,以滿足臨床連續監測的特殊需要,解決信號飽和問題。Firstly, the system has a good snr and high accuracy, which is owed to wideband operational amplifier being used, accurate adjustment by da, 12 - bit high sampling ad converter being applied. secondly, data transmission becomes less by using forecasting code technology and dictionary compress technology, which are run by dsp on board
本採集系統採用400mhz增益帶寬積的運算放大器,運用da高精度校準技術,並選用高采樣率低噪聲的12位ad轉換晶元進行模擬電路和ad轉換電路設計,既保證了數據採集系統的信噪比,又提高了系統測量精度。A new method for calculating the strain energy release rate of delamination crack propagation at an interface between dissimlar materials was suggested by using the j - integral with a small flat rectangular contour near the crack tip
提出了一種通過特定的扁平小矩形路徑j積分,計算電子封裝中異質界面分層裂縫擴展能量釋放率的新方法。And the ways to optimize the circuit architecture, minimize the circuit nonidealities and improve the circuit performance are analyzed combined with the characteristics of the modulator architecture. based on it, the switched - capacitor integrator, class a amplifier, nonoverlap clock, voltage reference, comparator, feedback dac have been designed. in the end, the layout design is shown
調制器採用全差分開關電容電路實現,並根據系統結構特點就如何優化電路結構、克服電路中存在的非理想特性、提高電路性能作了具體分析,在此基礎上完成了開關電容積分器(開關、電容、運算放大器) 、參考電壓源、比較器、兩相非交疊時鐘、反饋dac等模塊的電路結構和參數設計。26th ieee asilomar conference on signals, systems, and computers, pacific grove, ca, usa, october 26 - 28, 1992, pp. 391 - 395. 14 oklobdzija v. an algorithmic and novel design of a leading zero detector circuit : comparison with logic synthesis. ieee transactions on vlsi systems, 1993, 2 : 124 - 128
而另一方面,該演算法與目前國際上其它類似演算法相比具有面積和功耗上的明顯優勢,根據實驗結果,採用該演算法所實現的電路面積比採用以往類似演算法所實現的電路面積減少了27 ,功耗則降低了28 ,因此特別適合在高性能低功耗的浮點加減運算演算法中採用。Principle of the reaction of the mh / ni battery, the characteristics and existed problems of different kinds of soc measuring methods are compared, such as use voltage or resistance of the batteries to get the soc, then put forward the way of ann to estimate soc of the batteries in this research
研究了鎳氫蓄電池soc的幾種預測方法:即通過計算電池在充放電時的累積電量來估計電池的soc的電量累積法:通過計算鎳氫電池的內阻來計算電池soc的電阻測量法和通過測量電池的開路電壓來估計soc的電壓測量法,比較了它們的優缺點,並提出了本文的基於人工神經網路的soc測量方法的思想。After studying a lot of documents, we present a speed - estimating method for direct torque control system. this method is based on the theory of dtc, but it takes advantage of the convenient of both the theory of dtc and the theory of foc. we need only to sample the stator ' s current to estimate the speed of the rotor, at the same time the integration of the voltage is avoided
在研究大量文獻的基礎上提出了一種適用於交流電機dtc控制系統的轉速計算方法,該方法以dtc控制為中心,結合dtc和定子磁場定向和轉子磁場定向各自的特點,綜合利用各自的有利之處,只需測量定子電流,避免了對電壓積分,思路清晰,計算簡單。Abstract : constant components and output opened ports in the result of high - level synthesis lead to explicit redundancy in gate - level technology mapping. explicit redundancy can not improve the performance, but increases power consumption, enlarges circuit area and decreases its testability, so it should be removed. this paper proposes a queue loop optimization algorithm to remove explicit redundancy completely which decreases the circuit area and improves the testability
文摘:高級綜合結果中常量元件和輸出懸空埠導致門級工藝映射結果中存在顯式冗餘.顯式冗餘無助於提高電路性能,反而增加功耗,降低電路的可測試性,使電路面積增大,應予消除.文中提出了顯式冗餘的隊列循環優化演算法,完全消除了此類冗餘,從而有效地減少了生成電路的基片面積,提高了電路的可測試性The thesis describes a prototype fractional frequency synthesizer which is supported by a project granted by the ministry of science and technology of pr china. firstly, based on the principle of pll, this paper briefly describes three basic pll components : phase detector ( pd ), low pass filter ( lpf ), voltage controlled oscillators ( vco ), analyzes the linearized pll and summaries the transfer functions of third - order pll with ideal intergrator filter respectively. based on a microwave vco, the single point frequency pll frequency ranging from 2. 2 to 2. 5ghz is developed
首先,從鎖相環的基本理論、原理出發,分析了鎖相環中的三個基本部件:鑒相器、環路濾波器和壓控振蕩器,此後,針對線性化鎖相環進行了分析,研究了在使用比例積分濾波器時,三階鎖相環的環路參數計算;在電路實現時選用了lmx2353 ,在此基礎上,完成了2 . 2 ~ 2 . 5ghz范圍內的小數頻率合成器設計。For the image acquisition of optical scan mode, normally, ccd image sensor is used to capture image, but in our system, due to the system request of micromation and high integration, cmos image sensor is adopted as the image collection device, and then the thesis gives a interface circuit between the chip and dsp and a control solution of image collection ; toward the information storage in our solution, dsp is directly linked to usb host chip and it is the dsp that accomplishes the processing of usb protocol and interface control so as to reduce the cost, minimize product cubage and consequently meet the requirement of system micromation ; at the same time, the thesis probes preliminarily into usb otg ( on - the - go ) technology, which offers an approach between embedded machines including pda, mobile phone, printer, digital camera and so on ; in addition, some attempts on the other application area with tms320vc5402 which was commonly used to voice processing and static image processing are done, for example, to arrange the chip to control lcd module directly
在圖像的光電掃描輸入上,傳統方案大部分採用ccd型圖像傳感器,而在本方案中,根據系統微型化、高集成的特點,使用了cmos圖像傳感器作為攝像器件,並且設計了該晶元與dsp的一種介面電路以及圖像採集控制方案;在信息存儲上,本方案採用dsp直接與usbhost晶元連接,由dsp處理usb協議和介面信息,從而降低了系統成本、縮小了產品體積,滿足了系統微型化的要求;同時本論文也對usb - otg技術進行了初步探討,利用此項技術,不再需要計算機作為主機,就能實現在pda 、移動電話、印表機、數碼相機等嵌入式應用之間直接互聯通信;另外也對廣泛用於語音處理和靜態圖像處理的tms320vc5402其它方面的應用進行了嘗試,比如直接控制液晶顯示器等。With the great progresses and series of break - through in vlsi technologies, integrated dsp comes. integrated dsp has lots of advantages, such as low power cost, compactness, higher working speed and so on. dsp are very suitable in speech signal processing
隨著超大規模集成電路技術上取得的突破進展,高度集成化的dsp數字信號處理器具有體積小、功耗低和運算速度快等諸多優點,因此非常適用於語音信號的壓縮處理。The lifetime model of interconnect represented in the thesis has a great significance to the evaluation of reliability for 1c. and, it contributes much to the yield prediction to use the calculation method of critical area expressed in this thesis. the quantitative description of reliability and yield makes it possible to estimate circuit ' s reliability from its yield
本文提出的新的互連線壽命模型對集成電路可靠性的評價有重要意義;所提出的關鍵面積計算方法有助於正確地進行成品率計算;而利用給出的可靠性和成品率關系的定量描述,又可以從電路的成品率估算它的可靠性。His current research interests are low power circuit design, high performance microprocessor chip design, computer architecture, optimizing compiler, vlsi design, mpeg4 design, and cryptography
他目前研究興趣在於低功率電路設計mpeg4設計密碼學高效能微處理晶片設計計算機架構超大型積體電路設計以及醫療資訊系統。分享友人