無線接收技術 的英文怎麼說

中文拼音 [wúxiànjiēshōujìshù]
無線接收技術 英文
wireless access technology
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 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...
  • 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...
  • 技 : 名詞（技能; 本領） skill; ability; trick; technique
  • 術 : 術名詞1. （技藝; 技術; 學術） art; skill; technique 2. （方法; 策略） method; tactics 3. （姓氏） a surname
  • 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
  • 接收 : 1 （收受） receive; reception; accept; [電學] receipt; receiving 2 （接管） take over; expropriat...
  1. Synchronization is also one key technology of sdr in the receiver system

    同時在接收系統中同步問題也是軟體無線電中的一個關鍵技術。
  2. This paper introduces a project based on code division multiplexed that is used to realize four el channels ' s wireless transportation. after briefly introducing the whole structure of the device of transportation, this paper introduces mainly implemention of the hardware. futhermore, the discussion concerning the selection of principles in code acquisition and the threshold setting of code acquisition on continous pilot in the receiving unit is given. at the same time, the methods about how to design the parameters of dll is introduced in this paper. in addtion, how to solve the actual problems in debugging the hardware is also provided

    本文提出了一種基於碼分復用技術的四路e1數據擴頻無線傳輸設備的實現方案。在介紹整個擴頻數傳設備實現框圖的基礎上，重點介紹了硬體平臺的實現；接收單元捕獲策略的研究及其捕獲門限的確定方法；以及接收單元dll環路參數設計方法；並給出了調試過程中遇到的實際問題及其解決措施。基於調試所遇到的問題，論文的最後提出了這套數傳設備的改進方案。
  3. Therefore, a method in design and fpga implementation of wideband digital if receivers based on polyphase filters to fulfill decimation and filtering is proposed

    本文正是基於這種目的，研究並設計了基於軟體無線電技術的中頻數字接收機的數字下變頻。
  4. The purpose of this thesis is to work deeply over the sr theory, understand the key thinking of sr, cognize the key technologies of sr, and design the if ( intermediate frequency ) sr receiver subsystem basing on the sr theory

    本文的研究目的是深刻研究軟體無線電基礎理論，領會軟體無線電關鍵思想，認識軟體無線電中的關鍵技術，掌握軟體無線電的發展現狀和應用前景，設計基於軟體無線電思想的中頻軟體無線電接收機子系統。
  5. 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。
  6. Using mobile phone, wireless, radio, microchip and gps ( global positioning satellite ) technology, they can keep tabs on their children wherever they are, night or day

    使用手機、無線電話、無線電接收裝置、微晶元和全球定位衛星技術，無論他們在哪兒，無論是白天還是黑夜，都能監視自己的孩子。
  7. Telecommunications - electromagnetic compatibility and radio spectrum matters - radiotelephone transmitters and receivers for the maritime mobile service operating in vhf bands - part 1 : technical characteristics and methods of measurement v1. 3. 1

    電信.電磁兼容性和無線電頻譜情況.工作在甚高頻帶的海上移動業務用無線電話傳送機和接收機.第1部分:技術特性和測量方法
  8. Along with the development of the technology of the wireless communication particular the modern modulation and software radio technique, meantime the employ of wireless frequency are more presser, the development of the receiver tend towards high performance and high integration

    隨著無線通信技術特別是現代調制體制和軟體無線電技術的快速發展，且無線頻譜的擁擠程度日益加劇，無線電接收機在設計和實現上越來越趨向于高性能、高集成度方向。
  9. The underwater - radio buoy for use as obtaining the ocean " s acoustical parameters is a underwater acoustic signals record system which has long distance radio remote control and data transmit function. the technology key of the dissertation study is that under the requirements of the system the monitor and record equipment on the acoustic source vessel, the monitor and record equipment on control vessel command and control the work slate of the buoy system by radio data transmitting mode of short wave transmitter - receiver

    海洋環境參數獲取浮標監測系統屬于具有長距離無線電遙控?數傳功能的水下聲信號接收記錄系統，本論文研究目標的技術關鍵在於根據系統要求，指揮船和發射船監控記錄設備通過短波電臺以無線數傳方式，對浮標系統的工作狀態進行指揮和控制，浮標則通過同一短波通道向指揮船上報浮標方位、工作狀態、關鍵數據及非常狀態下的報警信號等。
  10. Digital down converter ( ddc ) is one of the core technologies in the software defined radio ( sdr ) receiver

    數字下變頻（ ddc : digitaldownconvert ）技術是軟體無線電接收機的核心技術。
  11. Subsequently, the communication of wireless is introduced as well as the key points of receiver ’ s rf front end. then, the design methods of receiver with high linearity and high dynamic range are recommended too. also, the blue print of the receiver, the achievement of function guide line and the problems in real debugging are discussed in detail

    本文先介紹了當代無線電導航的狀況以及發展趨勢和無線電的傳播，然後對接收機射頻前端的關鍵技術指標進行了深入分析，還介紹了系統在大動態范圍，高線性實現的一些設計方法，之後詳述了本項目採用的方案、具體功能指標的實現以及在設計與實現中應該注意的問題，最後給出系統的測試結果。
  12. The following technologies such as mcu 、 rf communication 、 ultrasonic distance measuring are integrated in the system which has the functions of real time measuring in the watch sites and real time display in the receiving facilities

    該系統綜合應用了單片機技術、短距離無線通信技術、超聲波測距技術，具有監測點距離實時測量、遠端接收設備實時顯示等功能。
  13. The reflected wave will be received by the receive antenna and transferred to digital data. we can analyze the data that saved by the computer of gpr to deduce the medium ' s property, situation, location and so on. being a kind of nondestructive, untouched method, it has many advantages such as nondestructive, rapidness, simpleness and high precision, so it will have wide applications in the ways of examination, control and maintenance to road quality, especially for highway

    路用探地雷達是近幾年發展起來的、應用於公路無損檢測的一項新技術，它利用超寬帶脈沖電磁波對路面結構層進行探測，當雷達發射天線發射的電磁波在路面結構層中傳播時會在介電特性突變處產生反射和透射，反射回來的波經由接收天線接收並轉化為數字信號儲存起來，通過分析探地雷達回波信號來估計路面結構層的性質、狀態和位置等特徵。
  14. Based on the wlan standard ieee 802. lla, this thesis focus on design and study of all - digital demodulation algorithms in ofdm receivers, including frame synchronization, frequency estimation, channel estimation and implemention of the ofdm demodulation

    本論文基於ieee802 . 11a （新一代無線局域網標準） ，對ofdm全數字接收技術進行了研究，並設計了一個全數字的ofdm接收機。
  15. Some problems of wireless transmission are discussed in the paper, centering on the design of high performance physical channel structure, synchronization technique ( acquisition and tracking ) and coherent detection technique

    本文圍繞高速業務無線傳輸中的高性能物理通道結構設計、碼捕獲與跟蹤同步技術、載頻提取及相干接收技術等問題展開研究。
  16. The main subject in this paper contain : this paper studied the characters of system of spaceflight test control, and put forward the system characteristic and function interface in new system of spaceflight test control according to the evolution of sdr. and then analyzed the project demand of telemetering digital diversity receiver

    本文研究的主要內容:研究航天測控系統的發展特徵，根據軟體無線電（ sdr ）技術發展趨勢，提出新一代航天測控系統的體系特徵及功能介面，據此提出遙測數字分集接收機的項目需求。
  17. And diversity is a technique of extensive use and maturation, a technique of more inexpensive investment with more improvement in wireless communication. the common diversity be classified as space diversity, polarization diversity, frequency diversity, and time diversity etc. this paper focus on implement of space diversity and polarization diversity in digital field

    無線傳輸在自然界中存在大量不相關的多徑信號，分集技術是通信中的一種廣泛應用的、成熟的技術，一種用相對較低廉的投資就可以大幅度的改進無線鏈路性能的強有力的接收技術。
  18. Considering the charactristics of the radio communication through stratum ; using single antenna with short circuit terminal, single side - band modulation and receiving technique of weak signals ; a proposal of mine radio communication through stratum is presented

    針對穿透地層無線通信的特點，採用終端短路單級天線及單邊帶調制和弱信號接收技術，提出一種可行的穿透地層礦井無線電通信系統的方案。
  19. In next mobile communication system to suffice more and more high - speed data service and demand of qos ( quality of service ) many new wireless link layer transport technologies are going to be used such as mimo ( multiple input multiple output ), ofdm ( orthogonal frequency division multiplexing ), channel coding and acm ( adaptive coding modulation ) etc. low density parity check ( ldpc ) codes were first discovered in 1960 ’ s which belong to linear block codes with their parity matrix being sparse

    下一代移動通信系統為了滿足移動用戶對高速、寬帶數據傳輸業務不斷增長和更高服務質量的要求，採用了許多新的無線鏈路傳輸技術，包括多天線發射和接收技術、正交頻分復用技術、通道糾錯編碼技術和自適應編碼調制技術等。上世紀60年代提出的低密度校驗碼，是一種校驗矩陣為稀疏矩陣的線性分組碼。
  20. Software radio technology is a whole new wireless communication technology. because of it, the innovation of receiver technology has begun, after stable to mobile, from analog to digital the software radio technology is another breakthrough in the wireless communication field

    軟體無線電技術是一種新的無線通信技術，它的出現導致了接收機技術的革新，被認為是無線通信從模擬到數字，從固定到移動之後的又一次突破。
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