base station 中文意思是什麼

base station 解釋
岸臺(又稱「固定臺」)
  • 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...
  • station : n 1 站,臺,車站;航空站,機場。2 派出所;署,局,所。3 【無線電】電臺,電視臺。 4 駐地,部戍地,...
  1. Base station identity code bsi

    基站識別碼
  2. To keep the environment people live in, we should restrict or prevent many kinds of pollution, which includes electromagnetic radiation pollution. while we are considering setting up base station or evaluating the electromagnetism pollution of environment, we can measure on the spot. to save time, hard work and cost taken by measuring on spot, it is necessary to calculate and analyze the electromagnetic wave propagation in urban area

    在對現有電磁輻射源(如移動通信基站、廣播電視發射天線等)環境電磁污染狀況進行評估時可以進行實地測試,但是對在建或擬建的輻射源則不可能進行先測試,同時為了避免實地測試的費時、費力和較大的測試費用,通過計算機來計算分析城市環境電波傳播顯得很有必要。
  3. A microcell rcs can be associated with up to six ds0s ( one per base station, or signaling - link base station daisy chain )

    一個微小區rcs最多可以和6個ds0相關(每個基站一個,或每個信令鏈路基站菊花鏈一個) 。
  4. 2 ) the quantity of eal increased largely compared with the former set, for example each base station elevation 13 %. 3 ) operation receipt enhanced by 20 %

    我通過多次試驗總結出了500mw於10mw基站共同組網的方法,從而制定出完整可行的網路改造方案。
  5. 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
  6. In this dissertation, the location estimation methods for mitigating the influence of the nlos propagation and the location parameters estimation methods for ds - cdma cellular radio systems are studied. furthermore, the influence of the nlos propagation on the performance of radiolocation systems is analyzed. moreover, by using pilot sequences from the base station ( bs ) in wireless cdma cellular networks, the techniques for detecting and locating and tracking for 3 - d moving target are provided

    本論文針對蜂窩網中移動臺定位這一熱點,研究了移動臺定位的非視距影響減輕技術以及適用於ds ? cdma系統的定位參數估計技術,分析了非視距對定位性能的影響,並研究了利用蜂窩網路資源對三維運動目標的檢測、定位與跟蹤技術。
  7. Base station telephonic control element

    基站電話控制單元
  8. Evrc vocoder is widely used in the base station of is - 95 and cdma2000

    在is - 95和cdma2000的基站中, evrc聲碼器都得到了廣泛的應用。
  9. 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。
  10. 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。
  11. Test results show that under 2 - tone test in 5mhz tone spacing, the power amplifier system achieves - 50dbc imd3 with 20w output power, improved 20db in imd3 compared with the one without linearity. estimated value of aclr comes to 53db, which satisfies the 3gpp requirement for wcdma base - station transistor. further tests with alterative input power indicate a steady suppression to the imd3 controlled by the adaptive system

    測試結果表明,自適應前饋功放系統在雙音輸出功率20w時三階交調系數小於- 50dbc ,鄰通道泄漏抑制比( aclr )的估算結果大於53db ,在理論上滿足3gpp對wcdma基站發射機的指標要求。
  12. 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。
  13. 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。
  14. 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。
  15. Sgsn 900 1800mhz tdma digital cellular mobile communication network test method of gprs general packet radio service base station system and serving gprs support node interface

    900 1800mhz tdma數字蜂窩移動通信網通用分組無線業務gprs基站子系統與服務gprs支持節點
  16. Base station identity code bsic

    基站識別碼
  17. Base station identity code. an attribute of a gsm ( global system for mobile communications ) cell which is a code allowing a distinction between local cells having the same radio frequency

    基站識別碼。 gsm (全球移動通信系統)蜂窩小區的一個屬性,通過基站識別碼,不同的本地蜂窩小區可以使用相同的無線頻率。
  18. First, the theory and structure of swr is expounded, then software and hardware models of the base station, which use the sdr structure of wideband and band - pass sampling in if ( intermediate frequency ), are put forward

    首先介紹了軟體無線電的概念、特點、基礎理論和基本構成,推導了軟體無線電的數學模型,然後在此基礎上詳細討論了基於寬帶中頻帶通采樣軟體無線電結構的移動通信基站的硬體和軟體的設計方案。
  19. Secondly, the thesis designs a kind of scheme of simulcast base station and center base station. and the requisite requirement and chip are introduced here, and the most important controller is atmega128, the avr microcontrollers of atmel corporation. the other roles are played by voice processing circuit, simulcast broadcasting station, data transmission broadcasting station, link transmitter - receiver and gps module etc. and some theory is introduced here, which includes a / d conversion and correct code

    然後,給出了一種同播基站和中心基站子系統的設計方案並簡要說明了所使用的各種設備和晶元,其中最主要的基站控制器由atmel公司的avr單片機atmega128來完成,其它的還包括語音處理電路、同播電臺、數傳電臺、鏈路機、 gps模塊等,並介紹了相關的理論知識,包括a / d轉換,糾錯編碼等。
  20. Radio base station

    無線電轉播站
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