收發信基站 的英文怎麼說
中文拼音 [shōufāxìnjīzhàn]
收發信基站
英文
bts base transceiver station-
Ncaps is a novel satellite navigation system presented by scientists of cas recently, which is based on the prin ciple that the land control station transmits the navigation signals via communication satellites, other than special navigation satellites, to the ncaps receivers, in which the received signals are processed to obtain its detailed positioning information
空基導航系統代表有美國的gps和俄國的glonass衛星導航系統。 ncaps系統是我國科學家最近提出的一種新的衛星導航系統。其主要原理是：地面控制站利用通信衛星（而不是專用的導航衛星）轉發導航電文給接收機，接收機利用導航電文解算出本地位置。Base transceiver station bts
基站收發信機臺Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present
具體工作有以下幾方面： 1 ）收集整理漫灣水電站大壩運行監測資料，並對其進行了系統分析，從觀測資料本身直觀的分析了大壩的運行狀況； 2 ）總結位移反分析的理論及方法，建立了考慮先驗信息多介質位移反分析模型，基於神經網路非線性映射功能，建立了神經網路時間序列預測模型； 3 ）以ansys軟體為平臺，開發了漫灣水電站砼重力壩運行狀態評價模塊，結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力壩運行狀態分析系統；實現了對漫灣水電站運行狀態的動態「反演-預測」分析； 4 ）利用漫灣水電站砼重力壩運行狀態分析系統，在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上，系統的分析並預測了大壩運行狀態。The implementation of operational security was illustrated by the practice of personal operations, public operations and bank certificates operations, etc. under the endeavors of the author and other colleagues, through the using of call center system as the operation working platform and the website www. 95599bj. com. cn as the main accessing net station for clients, e - banking system of beijing agriculture bank has successively developed such services as finance information, introduction for financial products, enterprise and personal finance operation disposals, bank certificates operations, funds, long - term trade for foreign exchange, internet electricity purchasing, capital checking bulletins for administration for industry and commerce, integrated financing cards, the opening of all the above services has built up a favorable image for our bank
目前，北京農行網上銀行系統以已經投產的callcenter系統為業務處理平臺，以我行www . 95599bj . com . cn站點為對外客戶訪問的主網站，相繼開通了金融信息、金融產品知識介紹、企業和個人金融業務處理、銀證通業務、基金、外匯買賣遠期交易、網上購電、工商局驗資公示、綜合理財卡等服務，為我行樹立了良好形象。最後，本文提出了網上銀行系統業務的不足之處，提出了學習信息安全的收獲及我國網上銀行業務發展對策。These functions are put in the 16th message track. in order to overcome disturbance from the same frequency, there must be a control protocol observed by all. synchronization of slot time adopts the time information of gps, so that the ship and the base do not send and receive messages simultaneously, and each function has its own share of time
我們把這些業務均放到16通道，為了克服同頻干擾，就需要設計一個共同遵守的分時通信協議，時隙的同步採用gps的定時來進行，使船臺和基站不同時發送或接收，將各項業務在時間上區分開。The high speed data flow transmitted from the satellites is received by the satellite communication earth station and then sent to the data terminal center, the speed of which is up to hundreds of megabytes baud rate
從衛星上高速下傳的數據由地面衛星接收站轉發為基帶信號送至數據中心，速度可達上百兆波特率，並要求系統能夠正確接收，存入計算機中進行后續數據的分析和處理。The quality of hjm - 25 cable joint module and xjs datacable cable plastic joint closure manufactured a series of hnors ; first prize of quanzhou science and technolohy award, third prize of fujian science and technology award and etc. also, it has been considered as national - grade key new product. the advanced high integrated full electronic circuit is adopted to develop and produce 3999 series telephone,
Cdma是移動通信目前最具有發展潛力的技術，公司於1995年開始此項技術的研究與開發，在收集國內外大量cdma的技術資料基礎上，進行消化、改造、創新，開發成功了冠盛系列cdma移動通信直放站。The application of smart antenna technique in wireless communications gives us a new solution. it allows the base station to transmit to and receive from mobiles by directional beams, which can improve the system performance by relieving the cci, decreasing the transmission power, improving the spectrum efficiency, enlarging the system capacity and so on
空域自適應濾波即智能天線技術在移動通信領域的引入為這些問題的解決帶來了新的思路，它能夠實現基站對移動臺的定向發射和接收，從而能大大減輕系統的多址干擾，降低系統的發射功率，提供系統的頻譜利用率，增大系統容量等好處。The dissertation tries to eliminate these affection in details : far - near field problem can be relieved by changing the pesudolite ' s signal format and increasing the dynamic range of receivers ; dual - satellite ' s dual directions timing technology and atomic tinier are contributions to enhance synchronization, the constraints of the layout and location of pesudolite stations, such as gdop, proof - interfere etc., are also focused in
從偽衛星信號格式和接收機動態范圍出發改進了遠近場問題的影響。研究了偽衛星與衛星精確時間同步。通過對gdop 、衛星間及與用戶接收機的共視性、抗干擾性等幾個約束條件的分析，對偽衛星基站進行了合理選址和優化布局。Combined with the requirement to realize auto - management in constructional quality acceptance data in based on the latest unified standard for constructional quality acceptance of building engineering ( gb 50300 - 2001 ) and following the general principle to develop project management information system, the thesis studies and develops the constructional quality acceptance data management system, almost realizing the aim of managing the quality acceptance date with computer the maim contents and results of this paper are as follows : ( 1 ) to study and analyze the sequence
本論文結合西安市建築質量安全監督站建築工程文件資料管理計算機化的要求，對建築工程質量驗收資料管理系統進行了全面的研究。本項目參照現有建設工程資料管理系統，依據最新的建築工程施工質量驗收統一標準，遵循建設項目信息管理管理系統開發的一般原則，研究和開發了建築工程施工質量驗收資料管理系統，基本上實現了對施工質量驗收資料的計算機管理。With these optical transceivers, the workstation on the shore can receive the synchronization signal for synchronization demodulation of pgc and controls the long - distance photoelectric modules under water. in this thesis, a long - distance optical transceiver is designed to meet the above requirements. beginning with the principle of optical communication, characteristics of the basic optical active device are summarized firstly
為了實現pgc信號的同步解調與遠程水下光電模塊的監控，岸基工作站與水下光電模塊需要通過光收發一體模塊進行低速率、無中繼的雙工通信，因此本課題的主要工作是進行遠程水下光收發一體模塊的設計與實現。分享友人