線路接收機 的英文怎麼說

中文拼音 [xiànlùjiēshōujī]
線路接收機 英文
line receiver
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 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
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  • 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...
  1. The text uses the method of ray tracing that is based on improved traditional mirror image principle of the radio wave forecast and two ray propagation model, which can be used in any complex propagation environment and found any propagation path from the sending set to receiving machine without redundancy computer

    本文是基於無線電波預測中傳統的鏡像原理與雙射線傳播模型的結合而提出的改進了的射線跟蹤演算法，它能用於任何復雜的傳播環境中，能找到從發射機到接收機之間的所有傳播路徑而無須冗餘的計算。
  2. The parameters that influence the single photon acquisition probability are the transmitter ' s tracking - pointing error, the far - field divergence angle, the link distance between transmitter and receiver and the receiver ' s antenna aperture

    得到影響單光子捕獲概率的主要參量是發射機的跟瞄誤差、光束遠場發散角、發射機和接收機的鏈路距離和接收機天線孔徑。
  3. In wireless communication, the relative movement between the transmitter and the receiver may cause the change of the electromagnetic wave propagation path, thus makes the channel become a random time - variety channel

    在無線通信中，發射機和接收機之間的相對移動會造成電波傳播路徑的改變，從而使通道變成隨機時變通道。
  4. 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。
  5. 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。
  6. This article develops a research on the underwater acoutics position technology with the short array - group and designs hardware of this system based on application background, which includes the receiver, controlling sub system and interface sub system and the wave ( data ) collecting sub system

    本論文對短基線水聲定位技術進行了研究並設計了基於工程應用背景下的硬體電路系統。主要包括：接收機分系統、控制及介面分機分系統和波形（數據）採集分系統。
  7. Then this paper deals with the design and realization of the smart - antenna receiver system architecture. and the receiver is divided into four modules, including rf front - end module |, if demodulation module, analog to digital conversion module and frequency synthesis module

    隨后在此基礎上，對應用於w - cdma系統智能天線接收機進行了系統設計分析，並給出了實現方案，主要包括射頻前端電路模塊、中頻解調電路模塊，參考頻率合成電路模塊和數模、模數轉換電路模塊四部分的設計與實現。
  8. And sampling rate conversion with timing variable interpolator controlled by nco ( from high rate to low rate ) is applied to software radio receivers. the controlling principle and implementation of interpolator are presented

    同時把nco控制的插值變換（從高速到低速）方法應用到軟體無線電接收機中，闡明了其控制原理，指出了控制環路中內插濾器的實現方法。
  9. In case public telephone networks become inoperative on entering year 2000, airline operators can come to the amo or meteorological briefing area inside the passenger terminal building to collect flight documents. the briefing station in the mba is connected to our mids equipment at the amo via private cables which are date - insensitive

    當過渡公元2000年時，若公用電話網路失靈，航空公司可到機場氣象所或客運大樓的氣象簡報室收取飛行文件，簡報室的簡報站是以不受日期影響的專用線路接駁至mids的。
  10. Send the real - time position, velocity of the moving object. received by gps oem caxd, associaied with the status information of the vehicle devices, to the monitoring centef, by way of the mobile conununication network. the monitoring system, based on some gis software, displays the tracks of the mobile objects on the eiectronic map, and users could supervise and query their iaterested parameters such as the location or velocity of the vehicle, the general information of vehicles, as so on, so that provide bases for vehicle management, improve the efficiency, or assure vehicles against accidents

    車輛監控系統是its的重要組成部分之一，它將全球衛星定位技術、地理信息技術（ gis ）和現代通信技術結合在一起，通過將裝有gps接收機的移動目標的動態位置、速度、狀態等信息，實時地通過無線通訊鏈路傳送至監控中心，在具有強大的地理信息查詢功能的電子地圖上進行移動目標運動軌跡的顯示，並可以對目標的準確位置、速度、運動方向、車輛狀態等用戶感興趣的參數進行監控和查詢，為調度管理提供可視化依據，提高車輛的運營效率，確保車輛安全。
  11. 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。
  12. Secondly, basing on single channel if sr receiver mathematic model, this thesis has designed if sr receiver subsystem and brought forward its design project and system circuit principle diagram, and explained the system working principle. furthermore, this thesis introduces the working principles and respective applications of wideband high - speed adc ad6640, ddc ad6620 and high - speed dsp tms320c6713 according with the if sr receiver subsystem high - speed analog digital conversion department, digital down conversion department and high speed digital signal processing department. thirdly, the thesis emphatically demonstrates the software realization department of the if sr receiver subsystem, which including ad6620 ' s inner parameter software setup, tms320c6713 data transmission and processing and the quadrant demodulation algorithm program realization

    其次，基於單通道中頻軟體無線電接收機數學模型，本文設計了中頻（ if ， intermediatefrequency ）軟體無線電接收機子系統，給出了中頻軟體無線電接收機子系統的設計方案和系統電路原理圖，說明了系統工作原理，並分別對應系統中的高速模數轉換部分、數字下變頻部分、基帶數字碩士學位論文軟體無線電理論研究及中頻軟體無線電接收機子系統設計信號處理部分，介紹了高速adcad664o ，數字下變頻器（ ddc ， digitaldownconverter ） ad6620 ，高速數字信號處理器（ dsp ， digitalsignalproeessor ） tms320c6713的工作原理，以及它們在中頻軟體無線電接收機子系統中的應用。
  13. Possessing a great deal of advanced technology, professional staff and administration staff, ningbo yuchi company has been dedicated to produce excellent catv network fittings for 15 years, and it could produce more than one thousand kinds of products mainly including outdoor bi - directional amplifier shell, optical receiver shell, optical work station and indoor integrated way splitter shell, terminal box shell series, and die casting, metal, plastic, plug stamping series of products

    宇馳電子，聚集了大量的先進技術、專業員工及管理人才，致力於生產精益求精的有線電視網路配件，通過十五年的奮斗歷程，產品包括野外型雙向放大器外殼、光接收機外殼、光工作站和室內型一體化分支分配器外殼、終端盒外殼系列等，以及壓鑄、五金、塑料、接插沖件等系列產品，多達1000多種。
  14. The company is mainly engaged in scientific research, development, manufacture, operation and international trade of cable tv broadband cisn product, network software, network system engineering, series product of digital tv front end, digital satellite receiver, digital cable tv set - top box, optical transmission equipment, digital tuner, optical electronic devices, etc

    公司主要從事有線電視寬帶綜合信息網路產品、網路軟體、網路系統工程、數字電視前端系列產品、數字衛星接收機、數字有線電視機頂盒、光傳輸設備、數字調諧器、光傳輸器件的科研開發、生產製造、經營銷售和國際貿易業務
  15. 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。
  16. Rtk employs the data communication link to transfer the original observation data or the phase correction data of the known reference station, so the geometric relation between the known reference station and the unknown point can be calculated in the way of online or real - time through rtk

    Rtk使用由數據通信鏈路傳送的已知參考站gps接收機獲得的原始觀測數據或相位改正數據，在線式或實時計算未知點與已知參考站的幾何關系，從而得到用戶接收機的精確位置。
  17. By using computer network, distributed multimedia database, speech signal process and computer graphics technologies, this project use non - diving into virtual reality technology to implement virtual radio detection work environment through the simulation of electromagnetic environment, receiver and recorder among radio detection work to make those who take part in training immerse in similar training environment as real detection work and achieve the same training effect as in real detection work

    本課題採用計算機網路、分散式多媒體數據庫、語音信號處理和計算機圖形學等技術，運用「非投入」式虛擬現實技術方法，通過對無線電監測工作中電磁環境、接收機和錄音機的模擬，實現了無線電監測人員工作環境的虛擬，從而使參訓人員投入到與監測工作實際相近的訓練環境、達到與實際監測工作相同的訓練效果。
  18. By analysis of the intermediate frequency signals which through eight antennae and receiver channels, eight channels radio spatial spectrum direction finding system can reach the purpose of finding radio direction

    八通道無線電空間譜測向系統通過分析經過八路天線和接收機通道以後的中頻信號達到確定無線電信號方向的目的。
  19. Finally, the paper gives out a scheme of digitized carrier synchronization loop for software defined radio receiver which is based on the hardware platform composed of fpga and dsp

    最後給出了一種用fpga與dsp組成的硬體平臺實現軟體無線電接收機載波同步環路的方案。
  20. General specification of multichannal receivers in the central station for radio duplex mobile communication system

    無線雙工移動通信系統中心臺多路接收機通用規范
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