轉發電路 的英文怎麼說
中文拼音 [zhuǎnfādiànlù]
轉發電路
英文
repeat circuit- 轉 : 轉構詞成分。
- 發 : 名詞(頭發) hair
- 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...
- 轉發 : retransmission; transmit; repeat; relay
- 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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According to the application background and the dismatch between single antenna and differential lna, an active balun is needed and has been designed. then we put forward a design scheme that does co - simulation of an active balun and a differential lna on one chip together. at 2. 45ghz, this lna provides a forward gain of 28. 931db with a noise figure of 2. 485db, while drawing 19. 1ma from a 1. 8v supply
從本設計的應用背景出發,考慮到單端天線與差分lna之間的不匹配性,設計了一個介於兩者之間的有源平衡轉換電路? balun ( balance - unbalunce ) ,並提出了將這個balun電路與前面設計的差分lna作為一個整體進行了模擬的設計方案。Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller
Mems ( microelectromechanicalsystem )近年來發展最快的技術之一,隨著mems技術的快速發展,電容式加速度計的電容變化變化量越來越小,對檢測技術提出了新的要求。在電容式傳感器中,常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板面積變得越來越小,電容總量只有幾個pf ,變化量就更小。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。The two - point to earth short fault may cause short currents whic h can lead to serious accident. so it is necessary to monitor the state of field windings of turbo - generator and detect the kind of fault and predict its inclination. thus the security level of power system will be improved
由於發電機轉子兩點接地故障時會產生較大的短路電流,導致惡性事故的發生,因此對發電機轉子繞組進行狀態監測,判斷短路故障的形式和趨勢是十分必要,有助於提高系統安全運行水平。The whirr of flapping leathern bands and hum of dynamos from the powerhouse urged stephen to be on
電力站發出的皮帶旋轉的噼噼啪啪聲以及發電機的隆隆聲催促著斯蒂芬趕路。It is composed of three mian protocols : call synchronization protocol, control frame transmission protocol based on arq mechanism and data transmisstion protocol based on slot precontract mechanism. one scan channel table is shared in the hfmanet. the nodes in the same dwell group work in the same scan channel, and the nodes in the different dwell group work in the different scan channel
該協議的網路拓撲結構採用分散式分群結構,協議不同於傳統的短波點到點及需要中心節點轉發的組網方式,而是初步實現了短波電臺之間多跳組網功能,其協議內容主要包括同步呼叫協議、基於arq的控制幀傳輸協議和基於虛電路及時隙預約方式的數據幀傳輸協議。The hardware mainly consists of three parts : signal pre - amplifying and conditioning circuit is used to amplifying the microseismic signals which have detected, signal processing and target identifying circuit based on singlechip is used to convert the analog signals which have been amplified to digital signals and go through signal analysis, processing to identify the moving target, the sending and receiving setting is used to send the identifying result to the decision - making and he can take relevant action according to the result
硬體主要由三部分組成:信號調理電路對檢測到的微弱地震動信號進行放大;基於單片機的信號分析與目標識別電路將放大后的模擬信號進行a d轉換,進一步將得出的數字信號分析、處理,實現目標識別;識別結果發射與接收裝置將識別結果發射給決策者,由其根據接收結果採取相應的措施。First she generated electricity, then began to build and repair equipment and now manufacture produce. once she was refulgent, but now go to trouble. the dujiang electric power equipment work must quicken the step of reformation, liberate the thought, change the concept, deploitation, inaugurte, draw and actualize the development stratagme of the factory, in order to make the factory walk out the difficult, catch hold of the opportunity, adapt the change and demand of the market environment, and standing develop, in the face of the opportunity that china go to wto and the empolder the west of china, specially, the system of electric power has been reformating and the power electric equipment industry developed quickly
都江電力設備廠自發電轉產修造進而到產品製造,既有曾經的輝煌,也有目前的困難,面對中國加入wto和西部大開發實施,特別是電力體制改革的實施以及電力裝備工業的快速發展機遇,都江電力設備廠必須加快改革的步伐,進一步解放思想,轉變觀念,開拓創新,通過制訂和實施工廠的發展戰略,使都江廠能走出困境,抓住機遇,適應市場環境的變化和需求,從而走上持續發展之路。Based on the analysis of the magnetic characteristics, an artificial nerural network can be built and the fault samples can be gained by theoretical arithmetic. the results of computation example show that the method can not only judge if shorted field turns exit but also estimate fault turns ratio
根據該結論構建了發電機故障診斷的神經網路,並直接獲得發電機在額定運行工況下對應的故障樣本,用於故障診斷,不僅對轉子繞組匝間短路故障的存在性,還對故障的嚴重性做出了正確的判斷。At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、實時運算,因此必須使用高速的數字微處理器和高性能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一定程度上限制了有源濾波器的發展。With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency
隨著電力電子技術進一步向高頻的大功率用電領域發展,功率mosfet在各種電力半導體器件中的重要地位日益顯著,使用功率mosfet作為開關器件的功率轉換電路也日益增多,但隨著器件開關頻率的提高(大於200khz ) ,由器件極間電容引起的能量損耗將會影響到功率轉換電路的能量傳輸效率,特別是在以mosfet作為開關器件的高頻感應加熱電源中(工作頻率可達兆赫) , mosfet在開關過程中的能量損耗嚴重影響到電源的效率,因此如何減小開關器件的損耗提高高頻功率轉換線路的效率成為電力電子技術領域的重要研究課題之一。This digital pattern generator composes of eight parts : interface circuit unit, dual - port sram unit, dsp unit, dac unit, expose / mark signal detection control unit, mark signal diction unit and final expose shape registers unit
本論文中的新型圖形發生器由介面電路、雙埠存儲電路、數字信號處理電路、數模轉換電路、曝光標記檢測控制電路、標記檢測電路、最終曝光數據寄存器單元和束閘控制電路構成。We give three installing schemes in the measuring hydraulic cylinder in the fourth chart and analyse thire merits and shortcomings. we discuss the possibility of measuring grinding wheel diameter by ultrasonic wave we give the full electric circuit schemes, including emitting and receiving circuit, measuring temperature circuit, displaying circuit, regulated power supply, a / d converter circuit and so on
給出一種新的計時方法。同時我們還討論了利用超聲測量鋼坯磨床中砂輪直徑的可能性。在本文中,還給出了完整的電路設計方案,包括:發射接收電路、溫度測量電路、顯示電路、穩壓電源電路、 a / d轉換電路等。Hence, the requirements of the servo control card are getting much sophisticated. in this thesis, the research work and implementation details of a 6 axes servo control card are discussed. this card is based on the ti company ? dsp chip tms320f240 and has realized the following functions : a ) signal encoder, b ) position limit, c ) dual ram communication with cpu, d ) coordinated control e ) dia conversion
該卡以ti公司的16位定點數字信號處理器tms320f240為核心晶元,實現6路編碼器信號輸入處理,軸限位中斷處理,通過雙埠ram與pc進行通訊,接收pc發送過來的控制指令和數據,完成插補運算、聯動運算等控制,通過d / a轉換電路,將結果轉化為模擬電壓送伺服放大器驅動電機。The signal collecting system of singlechip collects the signals from generator. the paper introduces the every part of the singlechip. the key component is a 8051cpu, its surrounding circuits include dc power source, simulating signal collecting circuit, digital signal collecting circuit, a / d converting circuit, clock generating circuit, counting frequency circuit, controlling circuit, communicating circuit, and some other circuits
前臺單片機採集系統完成對發電機組多信息量的採集,本文詳細介紹了電路設計,系統的核心器件為8051cpu ,其外圍電路包括電源電路、模擬信號採集電路、 a d轉換電路、數字信號採集電路、時鐘發生電路、測頻電路、控制電路、通訊電路等。The load - control apparatus adopted a single - chip microcomputer system, whose mcu was a kind of high - speed processor - ds80c320, whose a / d switched apparatus was max180, whose low - pass filter was max293, whose f / v transformed circuit was lm331, whose controlled silicon phase - shift touch - off circuit was tca785, and whose communicating interface of rs232 was max202. the watchdog of the mcu was max705 and the system used an on - off electrical source to supply power
球磨機負荷控制儀採用了單片機系統, mcu採用ds80c320高速處理器,採用max180作為md轉換器,低通濾波器為max293 , f v轉換電路利用lm331 ,可控硅移相觸發電路使用tca785 , rs232通信介面晶元採用max202 , mcu監控電路為max705 ,系統使用開關電源供電。F ) the circuit about wireless ecg data ' s transceiver is designed and the related running program of the embedded internet model is written by using the c program
設計製作了基於嵌入式internet模塊的數據轉發電路,並用c語言編寫運行於嵌入式internet模塊內的相關程序。The signal transformation circuit is impoldered make use of protel software
利用protel軟體開發了信號轉換電路。We used p87c591 as the microcontroller, using the sensor to collect the data of voltages and temperature of batteries, transcend them on can field bus, through the can net constructed the whole distributed battery management system, and give the design of the relevant hardware and software
構建了基於can總線的蓄電池組控制器的硬體平臺,採用p8xc591系列的p87c591作為微控制器,完成ad轉換電路、 can控制器介面模塊和信號調理電路的開發設計。實現了對電池電壓和電池溫度參數的採集。完成了系統的軟體設計。Chapter three : introduces the design of the electromagnetic flowmeter hardware system, lays stress on analyzing the conversion & amplifying circuit, the excitation sine wave occurring circuit, the analog - digital conversion circuit, the keyboard display interface circuit, the communicating interface circuit and the anti - interference circuit
第三章重點對電磁流量計硬體系統的轉換放大電路、勵磁正弦波發生電路、模數轉換電路、鍵盤顯示介面電路、通信介面電路,系統抗干擾電路等進行設計和分析。分享友人