Chapter_4

an ebook with Matlab code at the end of it

本书以移动通信系统为背景，系统介绍射频系统的各个模块的基本原理，分析其设计方法，以及射频系统的构成与设计的基本知识。本书内容主要包括：射频电路的特点与常见的移动通信系统、传输线、噪声与非线性失真、低噪声放大器、功率放大器、振荡器、锁相与频率合成技术、调幅与检波、调角与解调、数字调制与解调、收发信机的结构与设计等(The book mobile communication system as the background, the system introduces the basic principles of the various modules of the RF system, analyze the basics of composition and design of its design methods, and RF systems. This book includes: the RF circuit and the common features of a mobile communication system, transmission lines, noise and nonlinear distortion, low noise amplifiers, power amplifiers, oscillators, PLL frequency synthesizer technology, AM and detection, and de-tune the angle and other tone, the digital modulation and demodulation, the transceiver structure and design)

最优估计最有用的 程序的新方法 ，对于新人学习有很大的帮助，请大家多多指教 共同交流(Matable In order to improve the adaptation property of the system by making the best of the direction of distribution of radar measurement errors, a optimum estimation algorithm for Kepler orbit is proposed, which yields a maximum likelihood estimation of the Kepler orbit with multi-spatio-temporal state based on both the preprocessing of the small manoeuvring model and the determining of initial value parameter with two spatio-temporal state. )

自适应波束形成的matlab程序，根据到达的来波方向，自适应的调节形成波束的主瓣方向(Adaptive beamforming the matlab program, according arrived DOA, adaptive regulation of the formation of the main lobe beam direction)

Plot image histogram with Mathematic Algorithm in matlab

利用激光雷达技术生产数字线划图的技术参考文献，对3S技术人员很有帮助，难得的好资料。(By using laser radar technology to produce a DLG technique reference documents)

BAYESIAN STATISTICS by Sarat C. Dass Department of Statistics & Probability Department of Computer Science & Engineering Michigan State University

说明：  matlab 遗传算法的程序，主函数 T_youhua。 (Matlab GA procedures, the main function T_youhua.)

根据IEEE 802.11a规定的OFDM的结构，用matlab进行其链路仿真，包括加循环前缀，信道估计等(According to the structure specified in IEEE 802.11a OFDM using matlab, its Link Simulation, including the increase of the cyclic prefix, the channel estimation)

最小拍无纹波控制列程，很实用的列子。matlab语言实验，对初学者很有用。(Deadbeat ripple-control bar away, very practical Liezi. matlab language experiments, useful for beginners.)