§4.1 Antenna system parameters 天线系统参数 §4.2 The Friis equation Friis 方程 §4.3 Antenna noise temperature 天线噪声温度 §4.4 Propagation 传播 §4.5 Fading 衰落

§3.1 Review of Random Processes 随机过程回顾 §3.2 Thermal Noise 热噪声 §3.3 Noise in Linear System 线性系统中的噪声 §3.4 Basic Threshold Detection 基本的门限检测 §3.5 Noise Temperature and Noise Figure 噪声温度和噪声系数 §3.6 Noise Figure of Passive Networks 无源网络的噪声系数 §3.7 Dynamic Range and Intermodulation Distortion 动态范围和交调失真

The nature of language A definition: Language is human speech; the ability to communicate by this means; a system of vocal sounds and combinations of such sounds to which meaning is attributed, used for the expression or communication of thoughts and feelings; the written representation of such a system. (Webster's New World Dictionary)

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