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- radio propagation medium 无线电传播媒质
- Radio Propagation for Modern Wireless Systems II. 现代无线通信系统电波传播2。
- As one of the most popular and effectual propagation medium at present, the television undertakes the important population policy propaganda task. 作为目前最大众化、最具效力的传播媒介之一,电视承担着重要的人口政策宣传任务。
- The combination of geometric optics(GO), uniform theory(UTD) and ray tracing technique has been adopted for radio propagation prediction in microcellular systems in urban area. 本文应用几何光学(GO)方法、一致性几何绕射理论(UTD)和射线跟踪的方法对给定环境下的城市微区信道电波传播特性进行了预
- ANC with multi-layered perception neural networks is considered for optimum cancellation of broadband air-conditioner noise in a three-dimensional propagation medium. 对在三维空间传播的宽频带空调噪声,利用多层感知神经网络的ANC获得了良好降噪效果。
- Based on the Radio Propagation Model and Finite State Machine, this article proposes the route to establish the simulation model of physical layer protocol of WLAN,and the approach to implement the IEEE 802.11b protocol in a specific network simulator. 基于无线信号传播模型和有限状态自动机理论;提出了无线局域网物理层协议仿真模型的设计思路和在具体的网络仿真器中实现IEEE 802.;11b协议的方法。
- Optical wireless communication (OWC) systems use the atmosphere as a propagation medium, so the atmospheric turbulence effects lead to multiplicative noise related with signal intensity. 无线光通信(OWC)系统采用大气通道作为传输媒介,而大气湍流效应引入了与信号强度有关的乘性噪声。
- Joint Meteorological Radio Propagation Subcommittee 气象无线电传播联合分委会
- Radio propagation in mobile communication 移动通信的电波传播
- On Propagation Medium and Characters Writing 浅谈传播媒介与文字写作
- Adjustment of 3G Radio Propagation Model 3G无线传播模型校正
- Army Signal Radio Propagation Agency 陆军信号(通信)无线电传播管理局
- Forecast of Radio Propagation Conditions 无线电传播条件覆报
- Central Radio Propagation Laboratory 中央无线电传播实验室
- Joint Meteorological Radio Propagation Committee 联合气象无线电传播委员会
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- central radio propagation labo ratory [电] 中央无线电实验室
- radio propagation in earth-ionosphere waveguide 地-电离层波导电波传播
- English is not the usual medium of instruction in our school. 英语不是我校通常使用的教学语言。
- Empirical models are often used to represent the variations of the electron density with height in the ionosphere, since radio propagations are concerned with electron density. 短波频段中的传播情形与电离层中的电子密度有关,在一般短波预测软体中常用经验模型来表示。