接收機電源 的英文怎麼說

中文拼音 [jiēshōujīdiànyuán]
接收機電源 英文
rx 75v
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 機 : machineengine
  • 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...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 接收機 : receiver; radio set; receiving set; receiving machine接收機保護設備 reprod; 接收機保護裝置 receiver protector
  • 接收 : 1 （收受） receive; reception; accept; [電學] receipt; receiving 2 （接管） take over; expropriat...
  • 電源 : source; current source; electric source; power pack; power supply; power source; source of power ...
  1. Radio disturbance characteristics for the protection of receivers used on board vehicles, boats, and on devices - limits and methods of measurement - specifications for active antennas

    道上車輛船舶和設備上用接收機保護的無線電干擾特性.限值和測量方法.有源天線規范
  2. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  3. It makes use of resource of the chip, realizes the development of every module, achieves distilling of telegraphese, builds up new frame, calculates the position and provides external interface. in the section of calculating the position, the author combines the two measures of carrier phase position and code position. finally, in the platform of matlab, the author completes the function simulation of main modules

    概述了接收機的設計原理;詳細描述了基於ti公司的tms320c6713dsp晶元的系統程序設計中各模塊的實現，利用該晶元的資源，實現各模塊的調度，完成對導航電文的提取，重新組幀，定位解算以及對外介面;在解算部分，把載波相位定位與碼測距定位相結合，利用載波相位對偽距的平滑來提高定位精度;在matlab平臺下進行了各模塊的功能模擬測試，以模擬結果的圖表來分析說明了載波相位平滑偽距的兩種演算法能使定位精度有一定的提高。
  4. The subject comes from the cooperation project “ x waveband sar receiver ” between chengdu sine science & technology ltd. and the uestc. the auther is responsible for the demonstrability of the rf receiver and the implemetaion of the lna in the system

    本項目來源於電子科技大學成都賽英科技有限公司與電子科技大學的合作項目「 x波段合成孔徑雷達（ sar ）接收機」 ，筆者進行了該接收機系統方案的論證及接收機前端低噪聲放大器（ lna ）的研製。
  5. By making full use of favourable narrow - band tracing filter character of pll and by combining the merits of dds such as super fine frequency resolution 、 high frequency accuracy 、 very fast frequency hoping with it, the pll / pll + dds frequency synthesizer presents wide band high quality source and super small frequency hoping step. while the electronically tuned filter abates the image interference and notably improves the selectivity. the theorem of frequency synthesizer and center - frequency - fixed filter is simply but adequately introduced first in this paper

    課題中所採用的pll或dds pll鎖相頻率合成方法充分發揮鎖相環良好的窄帶跟蹤濾波特性，並結合dds的高頻率解析度、高頻率精確度和高速頻率捷變等優點，分別實現了系統所要求的高質量寬帶本振源和小步長頻率捷變；採用電調諧選頻技術，則大大改善了接收機的選擇性和抗干擾能力。
  6. 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。
  7. The precise clock source is crystal oscillator made of 74hc04 ; the mute circuit can conceal the error and solve the problem of noise ; the antenna switching circuit in the receiver is to select one antenna from two which receives signal better. it can improve the quality of the receiving audio signal, restrain the noise effectively and promote the system performance

    高精度的時鐘源是由74hc04構成的晶體振蕩器;靜音電路將出錯的音頻信號進行差錯掩蓋，很好地解決了噪聲問題;接收機採用兩副天線切換工作，提高了音頻信號接收質量，有效地抑制干擾，提升了系統的性能。
  8. In the project, the work completed by the author is as followed : ( 1 ) answer for events " transmition, which are transmitted to application programs, and correspondly dealt ; ( 2 ) answer for all of the handware drivers, included lcd display driver, flash driver, e2prom driver, sound driver, gsm status monitorer driver, keyboard driver, uart driver, real - time controller driver, hung - up monitorer driver ; ( 3 ) answer for all problems related with hardware drivers ; ( 4 ) answer for the tools for write data to flash, such as programs, font libraries

    該項目中，本人完成了以下幾方面的工作： （ 1 ）負責所有消息的驅動，使上層應用程序能夠接收到底層硬體設備產生的消息，並做相應處理； （ 2 ）負責所有硬體驅動程序的設計和調試。驅動程序包括lcd顯示驅動、 flash驅動、 e ~ 2prom驅動、聲音驅動、 gsm模塊狀態監控驅動、鍵盤驅動、串口驅動、實時鐘驅動、電源管理、摘掛機檢測驅動，共10部分。 （ 3 ）負責解決遇到的所有與驅動相關的問題。
  9. When used in conjuction with a spectrum analyzer or a measuring receiver, the probes can be used to locate and qualify emi sources, as well as evaluate emc problems at the

    電纜饋送，當探頭與頻譜儀或測量接收機連用時，探頭可用於探測電磁干擾源，以及評估電路板和樣機試驗階段的電磁相容問題。
  10. Turn on the juice and let ' s see if this radio works now

    接上電源，看看這個收音機現在響不響。
  11. Wire antennas are still very popular on vehicles, ships and aircrafts. they are easily to be interference sources and sensitive bodies. in our calculation we must take account of the mutual coupling between wire antennas when they are very close

    線天線在移動通信系統中被廣泛地應用，它作為許多機載、艦載、衛星、通信電子設備中電磁能量的發射和接收埠，最有可能成為輻射干擾的干擾源和敏感體，特別是當天線靠得很近的時候，必須考慮相互之間的互耦。
  12. To prevent battery leakage, we recommend removing the batteries when the receiver is connected to a wall outlet

    為防止電池漏液，當收音機連接在墻上的電源插座上時，最好取出電池。
  13. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中，能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算，是一種準三維的預測模型；另外，從本質上講，它仍然是一種基於鏡像理論的點對點的射線跟蹤法，所以它無須進行接收測試；而且由於採用了反向演算法，運用數據結構中多叉樹的概念，先確定需要計算的場點位置，找出所有能從源點到達場點的射線，並且可一次性建立一個虛擬源樹，以後每次的計算只要通過對該樹進行後序遍歷即可，大大提高了運算速度，因而有較高的接收效率與精度。本文對該模型進行了相應的模擬，並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較，結果表明了該模型的優越性。
  14. Is used with a spectrum analyzer or measurement receiver

    Hm6050 - 2電源阻抗穩定網路一般與頻譜分析儀或測量接收機一起使用。
  15. The paper designs a type of circuit which combines gps receiver with computer by means of the icl232 integration chip. it achieves deliver and receiver at the same time. it gives receiver program chart

    採用icl232單電源集成電路晶元設計gps接收機與微型計算機介面電路，可以同時實現發送和接收信號的電平轉換，並給出了接收的流程圖。
  16. Programme source used in subjective assessment for television broadcast receivers

    電視廣播接收機主觀評價節目源
  17. Summarization of sdr 2. hardware design of a multi - channel digital receiver based on sdr and the new adc device ad6652 including system, a / d, dsp and power etc. 3

    2 .基於軟體無線電及高速adc器件ad6652的多通道數字接收機硬體電路設計，包括系統、 a / d 、 dsp和電源等。
  18. In this thesis, we probe into the application area based on the research task of military radio interception receiver, the design and implementation of if digital processing segment is studied systematically. we have some achievement as follows : chapterl presents a survey of the history and development of the software radio, introduces briefly the background and significance of the research task

    本文結合軍用軟體無線電偵聽接收機研製任務，進行了大膽的探索和有益的嘗試，對中頻數字化單元的設計與實現進行了系統研究，取得了一些成果，主要內容安排如下：第一章論述了軟體無線電的由來和發展現狀，介紹了課題來源及意義。
  19. In this paper, the emphasis is laid on the principle of active electronic current transformer, especially on the sensor head, signal receiver, fiber optic communication, and computer interface

    本論文著重對有源電子式電流互感器的原理進行了研究，特別是系統地研究了傳感頭、信號接收機、光纖傳遞部分以及計算機介面等各部分的電路結構。
  20. The subject comes from the cooperation project “ long distance navigation short - wave receiver ” between chengdu sine science & technology ltd. and automatization school of harbin engineering university. the auther was responsible for implementation of the rf receiver of the system. the rf receiver consists of a rf front end, 3 dds synthesizer

    本項目來源於電子科技大學成都賽英科技有限公司與哈爾濱工程大學自動化學院的合作項目「遠距離導航短波接收機」 ，筆者負責其中接收機射頻部分的研製，該射頻接收機包括一個射頻前端和3個dds頻率合成器。
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