antenna base 中文意思是什麼

antenna base 解釋
天線底座
  • antenna : n. （pl. -nae , antennas）1. 【動物；動物學】觸角。2. 【無線電】天線〈英國常用 aerial〉。
  • base : n 1 基底，基，根基，底座；底層，底子；（紀念碑等的）基址；（山）麓。2 【軍事】基地，根據地。3 根...
  1. On study of omnidirectional base station antenna use for personal communications

    一種用於個人通信的基站全向天線的設計思路
  2. 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。
  3. The characters of this antenna lie in three points : using yagi - uda antenna to obtain antenna gain through the radial direction ; making full use of the space of the base station along the z - axis direction to get array gain ; arranging the antenna array properly to achieve pattern diversity in azimuth plane

    其特點集中體現在三個方面:在天線徑向通過八木天線的形式獲得增益;充分利用基站空間在z向組成陣列獲取陣列增益;利用開關八木天線方向圖可重構的特性，通過合理的布局，在方位面內實現角度分集。
  4. 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。
  5. This pattern diversity antenna has been used as the base station antenna in the mimo experimental system and several results have been obtained

    將該天線作為基站天線用於mimo實驗系統平臺上進行了一系列的實驗，對一些典型的實驗現象和實驗數據進行了分析討論。
  6. 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。
  7. Based on the requirement, a base station array antenna of which beam width in h - plane is 45 is made. the relationship between the size and the performance of array antenna is researched. the antenna is tested and is proved eligible

    根據實際要求，設計一副水平面波瓣寬度為45的基站陣列天線，討論天線尺寸與性能指標的關系，對天線進行測試，達到了設計要求。
  8. The smart antenna, which is adapted in the wireless mobile communication system, in fact, forms an antenna with a high gain. thus communication in all directions can be proceeded, then base station antenna coverage, system capacity and service quality are improved, also inter - symbol interferes and multi - access interfere are reduced. the space division multiple access ( sdma ) is introduced, and users can be distinct from each other through their special location

    在無線移動通信系統中採用智能天線技術，實際上是通過數字信號處理，使天線陣為每個用戶自適應地進行波束賦形，相當于為每個用戶形成了一個可跟蹤它的高增益天線，從而即可以進行全方位通信，也可以用較小的發射功率覆蓋相同的范圍以及提高系統容量和業務質量、降低用戶間的碼間干擾和多址干擾。
  9. Bringing into play the communication market resources in hangzhou bay, the park devotes itself to the formation of a “ mobile valley ”, which means a unique zhejiang - flavored economic pattern : forming a complete telecommunication industry chain from software and operation development of key parts, such as ic chip, rf modules, base band, display, high capacity battery, to related components like cell phone housing, keypad, antenna, vibration motor, mould, pcb ( circuit board ), photoelectricity device, electronic device, connectors and system and software development, and operation service development

    園區依託杭州灣通信市場資源，致力打造「移動谷」 ，創造中國浙江經濟特有的專業版塊模式：從集成電路晶元、 rf組件、基帶、顯示器、高能電池等核心器件到接手機外殼和按鍵、天線、振動馬達、模具、 pcb （電路板） 、光電器件、電子器件、連接件等相關組件及系統和軟體開發、運營服務開發，形成完整的通信產業鏈。
  10. Above ground, several stations are equipped with a base station antenna to cover their areas. below ground, communication is via leaky coaxial cables driven by radio base stations located in each underground station. as a result, interference at entrances to underground stations happens frequently

    3 .地面沿線部分由數個車站設置基地臺之天線電波涵蓋，地下車站每一車站皆有基地臺透過漏波電纜輻射涵蓋，因而地下車站出入口部分干擾常常很嚴重。
  11. Rfid antennas we research operate at 915mhz, which belong to vhf, therefore microstrip patch antenna is adopted as base station antenna and various balanced dipole antennas are employed as tag antennas. then, a brief introduction is given on the radiating principles of the microstrip antenna

    由於本課題所研究的rfid天線主要工作於915mhz ，屬于甚高頻波段，因而基站天線主要採用微帶貼片型，標簽天線主要採用各種對稱振子型天線。
  12. This means that the seti receiver was perched permanently above the arecibo dish at the base of the aging line feed antenna

    也就是說seti的接收器永久的占據著阿雷西博碟型天線上老化的線性饋源的底部。
  13. Firstly, the oscillator theory was researched as the base of the design of oscillator - type aia in this paper. the derivation of oscillation condition and stability condition were given ; at the same time, the cavity modeling theory of microstrip antenna was studied, which gave the relation between the size of microstrip antenna and the resonate frequency and that between the size and impedance of microstrip antenna

    首先，針對本文所討論的振蕩型有源集成天線，作為理論基礎，進行了振蕩器理論的研究，推導出有源集成天線的振蕩條件和穩定條件；同時利用空腔模理論，給出了天線尺寸與諧振頻率和輸入阻抗的關系。
  14. Natural characteristic analysis not only verifies whether the natural frequencies and mode shapes of the antenna are reasonable or not, but also is the base of the structural response analysis, fatigue resistivity computing and the other dynamics problems. the structure design of antenna is a complicated systems engineering, which is generally limited to multiple objects that influence each other, so we need to keep the balance among those objects by decision - making technology of multiple objects to ensure every target optimized

    固有特性的分析不僅能檢驗天線結構的固有頻率和振型是否合理，而且也是結構響應分析、動強度計算等其他動力學問題研究的基礎；天線的結構設計是一個復雜的系統工程，它通常受到多個目標的限制，而各目標往往是相互影響的，甚至是相互矛盾的，因此需要藉助多目標決策技術，平衡各目標，以保證空間天線最優的滿足各項設計指標。
  15. Firstly a microstrip - fed microstrip patch antenna has been emulated and validated. on the base of this, the multi - band property of sierpinski equilateral triangle and squareness microstrip fractal patch antennas are carefully studied, and the effect of antenna ' s property by the permittivity, the size of patch, the order of the fractal and the decrease of fractal patches is depicted ; secondly on the base of analysis and comparison of performance of microstrip - fed semicircle and rectangle double - band microstrip patch antennas, warranty of dimension curtailment is offered ; finally expansion of band of those antennas above is discussed

    在此基礎上，著重分析了微帶線耦合饋電的sierpinski等邊三角形微帶分形貼片天線以及sierpinski方形微帶分形貼片天線的多頻特性，給出了介質參數、貼片尺寸、分形的階數以及減少分形貼片數對微帶線耦合饋電的sierpinki等邊三角和sierpinski方形微帶分形貼片天線特性的影響；其次基於微帶線耦合饋電的半圓雙頻微帶貼片天線和矩形雙頻微帶貼片天線的性能分析和比較，提供了尺寸縮減的依據；最後對以上天線的頻帶擴展進行了探論。
  16. So at first the on the base of the deep study on method of moments, this dissertation analyses the problem of the mutual coupling of the thin dipole antenna arrays

    所以本文首先運用矩量法對細線對稱振子陣中陣元互耦效應進行了分析和計算。
  17. Abstract : in this paper, the reasons for internal leakage of hydro - motor as driving component of antenna base for airborne radar are analyzed, and their structures are correspondingly improved

    文摘:本文針對某機載雷達天線座驅動元件液壓馬達的內漏進行分析，並對結構作相應改進。
  18. For the case of microstrip patch antenna structure with dielectric, the fdtd based commercial software empire is used. a coaxial probe - fed microstrip patch antenna and a coaxial probe - fed stack patch antenna have been analyzed for checking its validity. on the base of that, the multi - band property of microstrip fractal patch antenna is carefully studied, and the effect of antenna ' s property by the permittivity, the size of patch, the order of the fractal and the metal box is depicted

    在此基礎上，著重分析了同軸饋電的sierpinski地毯形微帶貼片天線以及同軸饋電耦合的sierpinski地毯形微帶貼片天線的多頻特性，給出了介質參數、貼片尺寸、分形天線的階數以及金屬盒對同軸饋電的sierpinski地毯形微帶貼片天線特性的影響。
  19. Theory analysis and practical measurements of response characteristics are done about two couplers. from the aspect of capacitive coupling, the frequency response characteristics of two sensors are assessed in terms of square wave response. at the same time, the amplitude - frequency relationship characteristics are calculated on the base of antenna model

    對所研製的兩種內置傳感器響應特性進行理論分析與實際測量：從電容耦合原理角度採用方波響應分析傳感器及整個測試系統的頻率響應特性，從天線模型角度分析幅頻響應特性，局部放電實測結果也驗證了設計的傳感器的性能優良。
  20. In this paper, a smart - antenna base receiver compatible with the w - cdma standard is researched and designed. according to this standard, the up - link frequency band allocates from 1920mhz ~ 1980mhz, and the signal is modulated by qpsk schemes

    本文主要針對應用於w - cdma系統的智能天線接收機射頻前端進行研究和設計，此接收機應用於w - cdma系統上行鏈路（ 1920mhz 1980mhz ） ，採用qpsk調制技術。
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