communication antenna 中文意思是什麼

communication antenna 解釋
通信天線
  • communication : n. 1. 通訊,通知;交換;信息;書信,口信,通報。2. 傳達,傳授;傳播;傳染。3. 交通,交通機關;聯系,連絡(設備)。4. 【宗教】接受聖餐。
  • antenna : n. (pl. -nae , antennas)1. 【動物;動物學】觸角。2. 【無線電】天線〈英國常用 aerial〉。
  1. Design of switched beam antenna in mobile communication system

    移動通信系統中的智能天線技術
  2. The antenna test turntable automatic test system used the multi - machinecollecting and distributing controlling mechanisms in this article. the lowerposition machine realized the real - time control of the electrically controlledsystem and the goniometric system, keeping the communication with the upperposition machine, and fed back the turntable condition information, and so on ; the upper position machine realized the data acquisition of the various axialangles, the transmission of the control command and the monitoring of thecurrent turntable running status, and so on

    本文所研製的天線測試轉臺自動化測試系統採用的是多機集散控制機制? ?下位機實現對轉臺電控系統、測角系統實時控制並保持與上位機通信以及反饋轉臺狀態信息等工作;上位機實現轉臺各軸角度數據採集、控制命令發送以及監視當前轉臺運行狀態等工作。
  3. However, many problems are emerging and urgently needed to be solved in the mimo communication system due to the introduction of multiple antennas. an excellent performance of the multi - antenna system ensures that the mimo system achieve its advantages

    優異的多天線性能是mimo系統實現其各種優勢的根本保障,本文以863項目「新型天線與分集技術研究」為契機,圍繞移動終端多天線設計這一主題展開了系統的研究。
  4. So it holds a ideal ability to anti - interference and has 2 scalar level resolution in location and measuring velocity than traditional radio induction technology. and the channel composed of the new radio induction system for communication is different from the parameter - constant channel and the traditional parameter - changing channel, its parameter is decided by the mutual induction between its antenna and induction - cable, by the location of its antenna, by the signal frequency passing through, its parameter has nothing to do with the time parameter. the channel composed of the new radio induction system is a new parameter - changing channel independently of time for communication

    而且,由新型無線感應系統組成的通道既不是恆參通道,也不是一般目前所知的變參通道,其通道傳遞函數的幅值只與信號的頻率有關,與系統中天線和感應電纜之間的互感和天線的位置有關,而與時間無關,其通道傳遞函數的相位只與天線的位置有關,而與時間無關,由新型無線感應系統組成的通道是一種不隨時間變化的新型變參通道。
  5. The technical specification of radiation pattern envelope for paraboloid antenna used in microwave relay communication systems

    微波接力通信系統拋物面天線輻射圖包絡的技術要求
  6. The key technique include nip signal ' s generation, serial port 422 communication, control system data acquisition and processing, stationary wave ratio of antenna, sending and receiving signal ' s attenuation of antenna and so on

    其關鍵技術包括nip信號產生, rs - 422串口通信,控制系統各模塊數據採集和處理,機載天線駐波比及收發信號衰減測量等。
  7. In this dissertation, switched parasitic pattern diversity yagi - uda antenna array used for the base station has been illustrated after the introduction of mimo technologies and the analysis of the base station antenna design for next generation of wireless communication

    本文在介紹mimo技術和分析新一代移動通信中基站天線的設計思路的基礎上,給出了一種適用於mimo系統基站、具有角度分集功能的開關八木天線陣列。
  8. Brief introduction to adaptive algorithm of smart antenna in mobile communication

    移動通信中智能天線自適應演算法簡介
  9. The paper studies three key problem of base station array antenna for mobile communication, controlled radiation pattern, beam width and passive intermodulation

    本文研究移動通信基站天線中的三個關鍵問題,波束賦形、波瓣寬度、無源交調。
  10. In that mainly including communication work mode, project argumentation of system, performance analyses and type choosing of communication transmitter - receiver and the design of antenna system, etc. in chapter 3, coding mode of msk and gmsk and the hardware circulation realization of modem are discussed in detail

    在第二章里,介紹無線電通信系統總體設計,按通信系統組成,逐項進行計算,主要包括通訊工作方式和體制的方案論證,通訊電臺性能分析、選型、參數,以及天線系統的論證等。在第三章里,詳細論述msk和gmsk編碼方式,以及用fx909實現數據機的硬體電路。
  11. An analysis on improving mobile communication capability by using multiple beam smart antenna

    多波束智能天線對改善移動通信性能的分析
  12. Smart antenna has two critical tasks, one is to filter the uplink signals, and the other is to form the downlink beam, and we need adaptive algorithm and digital signal processing ( dsp ) technology to fulfill these work. adaptive algorithm is one of the most important technologies of smart antenna, and it determines smart antenna ' s speed to the wanted to signal and the complexity of the circuit of the communication system

    自適應演算法是智能天線的核心技術之一,它決定著智能天線對來波信號響應的速率和系統實現電路的復雜程度,系統需要針對各種通信環境來選擇合適的演算法,也可以採用演算法分集的方法來使整個系統工作在最佳狀態。
  13. In the next generation of wireless communication, the base station antenna should have these functions : integration of different diversity methods to release multi - path fading, beam - downtilt to reduce co - channel interference, beam - forming to optimize coverage

    在設計新一代移動通信基站天線時,應使天線能綜合各種分集方式進行天線分集以消除多徑效應,具有波束下傾以減少同頻干擾,能波束賦形以實現優化覆蓋。
  14. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離,給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究,分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響,給出了相應的改進措施。
  15. Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals

    智能天線技術是目前通信和信號處理等領域的研究熱點,自適應波束形成演算法的研究是智能天線的一個關鍵技術,它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束,在干擾信號方向產生較深的零陷,是實現用戶信號最佳接收的有效方法。
  16. Technical requirement of communication antenna for naval ship

    艦船通信天線技術要求
  17. It has large ratio of deploying / stowed volume. it may be used as sar antenna for small satellite or as other communication antenna of s or l band. the structural system configuration and key components design are described

    它具有展縮比大,重量輕和頻段寬等特點,可用於小衛星合成孔徑雷達天線和其它s 、 l頻段星載通訊天線。
  18. It establishes the foundation of the research about satellites communication antenna servo system

    為以後進行的星星通訊天線伺服系統研究奠定基礎。
  19. For ka - band communication antenna, several classes of different satellite weight were considered and the critic first frequency of antenna system was given

    為滿足ka頻段通訊天線的指向精度指標,文中針對不同質量的衛星平臺,計算了對天線系統的最小剛度要求。
  20. In this paper, aiming at the control communication problem of satellite communication antenna system, the particularity of the communication part of the equipments which have relative movement is analyzed, and comparing to formerly communicationg project, a new project to resolve the communication problem is put forward, namely lower voltage power line carrier technology

    本文針對衛星通信天線系統中的控制通信問題,分析了有相對運動設備間通信的特殊性,並與之前所用的通信方案進行了對比,提出了一種新的方案來解決該通信問題,即利用低壓電力線載波技術來實現通信。
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