功放單元 的英文怎麼說
中文拼音 [gōngfàngdānyuán]
功放單元
英文
power amplifier unit pau-
The device mainly consists of integrated phase - shift trigger unit, detection unit, amplification and impedance conversion unit, the smallest excitation limitation unit, reactive regulation unit and three - phase controlled bridge rectifier
本裝置主要包括集成移相觸發單元、檢測單元、放大及阻抗變換單元、最小勵磁限制單元、無功調查單元和三相全控橋。The system uses the pc and the at89c52 as the control center of the system. the pc optimizes the control parameters as the calculation control unit. the at89c52 receives the various parameters by serial communication with the power measurement system and the fuel consume measurement system and the emission measurement system and the ecu and so on, then sends into pc by sharing the ram with the pc as the communication control unit
該系統採用pc機和單片機at89c52為上位機,以pc機作為計算控制單元,對發動機控制參數進行優化;單片機作為通訊控制單元,與作為下位機的測功器加載系統、油耗測量系統、排放測量系統以及發動機電控單元ecu等子系統進行串列通訊接收各參數,並通過與pc機共享ram送入pc機。Finally, using the low loss 3 - db three port network as power dividing and combing network and using hmmc 5040s fabricated by agilent co. as single - way amplifiers, with the help of e - plane waveguide to microstrip transition, we have designed a two - way power combing circuit with waveguide as interface ports. in 33ghz ~ 35ghz, the measured saturated output power is about 170mw, and the combing efficiency estimated is greater 70 %
最後,採用我們設計的3 - db三埠網路作為功率分配、合成網路,以常用的微帶e面探針作為微帶-波導過渡結構,採用agilent公司hmmc5040作為放大單元,製作出了波導介面的兩路合成電路,在頻率為33 35ghz實測飽和功率達170mw ,合成效率高於70 。Usually point a kind of inside to pack the arithmetic figure cent the network with the box of the power enlarger. arithmetic figure type the power enlarger for method for signal for inputting for arithmetic figure comparing, at with arithmetic figure signal handling again and again partitioning the empress, then and respectively these signals transformation is imitating the signal, then again from eachly from of box enlarge the empress to go to again to push the the cowgirl in the box to pronounce the unit
通常指一種內裝數字分頻網路和功率放大器的音箱。數字式音箱輸入的信號為數字比特流,在用數字信號處理的方法將音頻頻譜分割后,便分別將這些信號變換為模擬信號,然後再由各自的功率放大器放大后再去推動音箱中的相應發音單元。Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
在第三章介紹無線光接入系統的光收發單元,採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用,針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術,同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標,最後給出了一個整個傳送鏈路的功率預算。Mr karamanlis has offered public sector workers, who were banned from going on holiday during the olympics, a bonus of between e700 and e2, 000 for their contribution to making the games work
在舉辦奧運會期間,曾禁止公共事業單位的員工休假,現在卡拉曼利斯先生要給他們發放700至2000歐元不等的獎金,感謝他們對奧運會取得成功所作的貢獻。3. a rf pa linearziation system that combines rf predistorting technique and feedforward technique is present. contrasted with basic feedforward system, the main improvement of new system is the signal feature of error signal path
由於在主功放和誤差功放前分別加上了射頻預失真單元,因此提高了整個系統的線性度和功率效率。Avm is essentially a precision array film attenuator, which has a big diameter, high power load, continuous adjustment. the gain of each beam of the main amplifiers is controlled independently by the adjusting the angle of each cell of avm
Avm實質上是大口徑、高功率負載、透過率連續可調的組合式精密薄膜衰減器,通過調節avm各單元偏轉角度大小來獨立控制住放大器各路的增益。This product acquires engine crank corresponding phase signal and rotating speed signal, which after ecu treatment, are used together with signals collected from other load sensor ( such as shutter location sensor ) to achieve electronic control over engine ignition timing. compared with mechanical ignition timing control, this is more precise and reliable, resulting in optimized performance of engine in oil consumption, exhaust, output and torque
Fdw465b型電噴分電器總成採集發動機曲軸相位信號及轉速信號,同其它負荷傳感器(如節氣門傳感器等)採集到的信號,經電控單元ecu計算處理后,實現對發動機點火正時的電子控制,較之機械式點火正時控制更加精確、可靠,使汽車發動機系統的綜合性能得到較大提高,特別是發動機的燃油消耗率、排放、輸出功率、扭矩等方面都得到較大優化。On the basis of analyzing the old system and theory, the element circuits of wireless digital audio transceiver modules are designed in detail including the digital audio encoding and decoding circuits with the surrounding circuits, the fsk circuit based on pll frequency synthesizer, the power amplifier circuit, the frequency discrimination and agc circuit
在分析原系統結構和理論的基礎上,完成了整個無線數字音頻傳輸模塊各單元電路的設計。主要包括有數字音頻編碼和解碼電路及外圍電路的設計、基於鎖相頻率合成器理論的fsk電路設計、功率放大器的設計、鑒頻與agc控制電路的設計。Whereas, rural households, which are playing a role as a basic production unit in the agricultural production and sale could not support the developing market. the traditional circulation and service organizations could not adapt to the transformation from close market to open market
農戶家庭作為農業生產經營的基本組織單元並不能支撐起日益放大的農產品市場化的發展,傳統的流通組織和服務組織也由於功能異化遠遠不能適應農村經濟由封閉到開放的需要。This dissertation is concentrated on the design of ess decode project, which make use of mpeg decode ic ess6425 as the core supported by other ic cs4340 ( audio ic ), gl811 ( usb 2. 0 to ata / atapi bridge controller ), etc. on the basis of the decode project, a multi - media mp4 hd player is designed with special features of convenient installment, competitive price and perfect performance
本研究以美國ess公司的mpeg專用解碼晶元es6425為核心整合其他輔助晶元如cs4340 (音頻處理晶元) , gl81 ( 1usb2 . 0toata / atapibridgecontroller )等,設計出一款mpeg - 4多媒體播放器,該播放器具有安裝簡單、價格低廉,功能全面等特點。The solution is featured in its modularized design, with every single function unit as an independent module and an open interface between the 4 modules
該方案的特點是按照模塊化進行設計,每個功能單元都是一個獨立的模塊。四個功能模塊之間提供開放的介面。Based on the testing principle of wheatstone bridge, a simple testing system is set up with two cascaded amplifiers and two cascaded butterworth lowpass filters. the varying voltage is tested by the system as the pressure is changed. experiment data are obtained, which also prove the feasibility of the design and the process flow
5 .基於惠斯頓電橋的測量原理,利用兩級放大電路和兩級巴特沃思低通濾波電路搭建了一簡單的測試電路系統,成功地檢測出了輸出電壓的微小變化值並得出了一些初步的實驗數據,驗證了晶元設計和工藝流程的正確可行性。Xdesignerlib can use to show vector graphics, you can give up xdesignerlib s design ability, just show specifically vector graphics
圖形元素顯示,可以放棄xdesignerlib的互換式設計功能,而只是簡單的顯示特定的圖形元素。This product acquires engine crank corresponding phase signal and rotating speed signal, which after ecu treatment, are used together with signals collected from other load sensor ( such as shutter location sensor ) to achieve electronic control over engine ignition timing, resulting in enhanced performance of engine in oil consumption, exhaust, output and torque
該產品採集發動機曲軸相位信號及轉速信號,同其它負荷傳感器(如節氣門位置傳感器等)採集到的信號,經電控單元ecu處理后,實現對發動機點火正時的電子控制,使發動機系統的綜合性能得到較大提高(如發動機的燃油消耗率、排放、輸出功率、扭矩等) 。The structure and character of deformable mirror were analyzed, and the conflict between the deformation band and the pitch of deformable cells was pointed out. the " two - time compensation " wave - front correct mode was introduced to settle that conflict. the method for allocating wave - front aberration and designing static corrector was found, and the " two - time compensation " wave - front correct mode was validated by simulation
分析了變形鏡的結構特點,初步給出了變形鏡本身驅動單元數與校正量之間的制約關系;引入「二次補償」波前校正方案,解決了變形鏡校正量有限與高功率固體激光系統波前誤差起伏量大的矛盾,建立了波前校正對象優化分配、靜態校正器優化設計等細節過程所需要的方法,通過模擬模擬驗證了「二次補償」波前校正方案對于降低變形鏡校正量要求和放寬光學元件加工精度的作用; 5The research contents of this paper includes as follows : firstly, design a new type reader based on ti s6700 reader ic and try to enhance the reading distance through adding power amplifier ; secondly, adopt the idea of gpio simulation to produce spi timings to drive s6700. secondly, overcome the shortcoming of general mcu spi port ; thirdly, design the rs232 / rs485 full duplex conversion module, mmi interface in the system ; fourthly, analyze the rfid system communication protocol iso15693 and find out the working processes and realization of the instruction ; lastly, discuss the communication safety and accidental factors including the checkout and collision design, illustrate the realization of crc and anti - collision arithmetic theory
本論文的主要研究內容包括: (一)設計基於s6700閱讀器晶元的新型閱讀器,通過使用對中高頻閱讀器外加功率放大模塊的方法,實現較遠距離通信。 (二)採用單片機通用口三線模擬的方法模擬通用spi口時序,克服其不可位操作的缺點,實現對s6700的驅動。 (三)在rfid系統中集成設計了rs232 / rs485通訊模塊、液晶顯示模塊等,著重說明了其軟硬體實現方法。In the multi - module mode both trig signal and reference clock are used for synchronization. the functional module supports dma with the dsp, which frees the dsp ' s core processor and entitles the real - time digital signal processing
在數據傳輸方面無論是通過外部總線介面還是數據鏈路介面,功能模塊與dsp之間都支持dma方式,解放了母板處理器的核心運算單元,使實時信號處理成為可能。Software modules in the form of dynamically linked library using object - oriented program technology are design, which are the basic system components
採用面向對象技術,以動態連接庫的形式開發開放式數控系統的基本構造單元?軟體功能模塊。分享友人