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- multichannel frequency division system 频分路系统
- frequency division system 分频制
- Orthogonal Frequency Division Multiple Access (OFDMA) gains an increasing attention for broadband wireless access (BWA) system. OFDMA在BWA系统中得到越来越多的应用。
- The Multi-Carrier CDMA (MC-CDMA) system combines the advantages of orthogonal frequency division multiplexing (OFDM) system with that of CDMA system. Multi-CarrierCDMA(MC -CDMA)系统结合了正交频分复用 (OFDM)系统和码分多址 (CDMA)系统的优点 ,能比传统CDMA系统提供更高的用户容量 ,因而在 3G中受到了广泛的关注。
- A multicell adaptive resource allocation(MARA) scheme was proposed for downlink orthogonal frequency division multiple access(OFDMA) cellular system. 提出了一种用于正交频分多址通信系统下行链路的多小区自适应资源分配算法(MARA)。
- A new symbol timing and carrier frequency synchronization scheme applicable to orthogonal frequency division multiplexing(OFDM) system was presented. 针对正交频分复用(OFDM)系统提出了一种新的符号定时和载波频率同步算法。
- OFDM (Orthogonal Frequency Division Multiplex) technique, on which DRM system is based, features with high bandwidth efficiency and robustness to multi-path channel. DRM系统以OFDM(Orthogonal Frequency Division Multiplex)技术为基础,具有高频带利用率和抗多径干扰等特点。
- The joint estimation (JE) method is proposed to combat inter-carrier interference (ICI) problem in ultra-wideband orthogonal frequency division multiplexing (UWB-OFDM) system. 针对超宽带正交频分复用(UWB OFDM)系统存在的子载波间干扰(ICI)问题;提出了联合估计(JE)接收机方法.
- This paper proposes a new Maximum Likelihood Channel Estimator(MLE) based on all-phase FFT(ap-FFT) algorithm for Orthogonal Frequency Division Multiplexing(OFDM) system. 摘要 在OFDM系统中设计了一种基于全相位快速傅里叶变换算法的最大似然信道估计器。
- In DVB satellite transmission system used QPSK, using QAM cable transmission, terrestrial transmission using COFDM (coded orthogonal frequency division multiplexing) way. 在DVB系统中卫星传输采用QPSK,有线传输采用QAM方式,地面传输采用COFDM(编码正交频分复用)方式。
- This paper describes a novel joint acquisition algorithm of timing and carrier frequency for burst orthogonal frequency division multiplexing (OFDM) transmission system. 提出了一种新的正交频分多路(OFDM)传输系统定时和载波频率捕获联合算法。
- On this basis, from the angle of division system, the author proposes the three types of travel services in the future. 在此基础上,作者从分工体系的角度出发,指出了中国旅行社业未来将会出现的三种形态。
- The paper studies the effects of timing synchronization and frequency offsets to the error code ratio of an orthogonal frequency division multiple access (OFDMA) system. 文章对频率偏移、系统同步性对OFDMA系统误码率等的影响进行了研究。
- If have a country departmental those who issue, also belong to what division system decides to wait a moment somewhat. 如有国家各部颁发的,也有所属部门制定的等等。
- Orthogonal frequency division multiplexing (OFDM) system is an efficient system.It can transmit high data rate and combat intersymbol interference (ISI). 这些资讯系统不仅促进资讯在供应链夥伴间流通,也协助厂商完成存货管理与物流规划。
- Finally studied and proposed the automobile division defense conception from the automobile division system structure and the defense way aspect. 最后从汽车分队体系结构和防卫方式方面研究并提出了汽车分队防卫构想。
- The organized division system also provides for support from the RLI officers and attempts to avoid completely reinventing the wheel. 这已成立的分部系统也可由扶轮领导学院(RLI)职员们提供支援和完全避免重覆。
- Use of one channel for several messages by timedivision multiplex or frequency division. 通过时分或频分多路复用的方法,用单个信道传输多个报文。
- At the same time, the division system exists a lot of castigation what can"t meet the requirements of the urbanization and the economic development. 同时,行政区划体制也存在许多诟病,不能适应城市化以及经济发展的要求。
- The benefits of old cadres are involved in college reforms of the personnel system,division system,housing system and system of medical care. 正在进行的高校人事制度改革、分配制度改革、医疗和住房制度改革等都涉及到老干部的切身利益。
