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RF
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)
- 2014-09-03 16:46:02下载
- 积分：1
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oqam
offset quadrature amplitude modulation
- 2014-12-30 13:52:10下载
- 积分：1
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a982cfb5a2d9
小波阈值去噪的各种方法研究，包括软硬阈值函数去噪，新的阈值函数去噪(Wavelet thresholding study various methods, including hard and soft threshold function de-noising, the new threshold function de-noising)
- 2014-03-06 10:59:50下载
- 积分：1
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PML2D
this program simulates 2D electromagnetic Maxwell equations , by using finite difference time domain method FDTD..and it simulates the perfect matched layer to prevent the reflections that may occure at the boundaries of the problem space
- 2013-08-28 17:18:18下载
- 积分：1
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MATLAB_power_spectrum
MATLAB中几种功率谱估计函数的比较分析与选择(Several MATLAB power spectrum estimation for comparison of analysis and selection)
- 2010-12-14 22:09:37下载
- 积分：1
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AFSA-MATLAB
说明： 此源码是对人工鱼群算法的一种实现，用于无约束连续函数的优化求解，对于含有约束的情况，可以先使用罚函数等方法，把问题处理成无约束的模型，再使用本源码进行求解。仅供学习参考。(This source is a realization of artificial fish school algorithm for unconstrained optimization of continuous functions to solve for the case with constraint, you can first use the penalty function and other methods to deal with the problem into the unconstrained model, then use the source to solve it. Study reference purposes only.)
- 2011-03-07 09:46:55下载
- 积分：1
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sixuanyimohukongzhi
四旋翼飞行仿真器俯仰角的模糊PID控制器的设计，建立微型四旋翼无人机系统动力学数学模型和电机模型， 在系统模型的基础上设计模糊PID 控制器。通过Matlab/Simulink 仿真对所设计的模糊PID 控制器的有效性进行验证。(Design of Fuzzy PID Controller Flight Simulator four-rotor pitch angle, the establishment of micro four-rotor UAV system dynamics mathematical model and motor model, based on the system model design fuzzy PID controller. By Matlab/Simulink simulation of the effectiveness of the designed fuzzy PID controller for authentication.)
- 2021-01-06 23:48:54下载
- 积分：1
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DPCM_DCT_m
Differential Pulse Code Modulation (DPCM) and Discrete Cosine Transform (DCT) coding techniques in MATALB
- 2010-01-28 23:37:02下载
- 积分：1
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IDMA
说明： 交织分复用多址(IDMA)的matlab程序。IDMA可以通过简单的迭代运算分离各用户的信号，是一种有前途的技术。(matlab program for Interleaver division multiple accessing(IDMA).)
- 2011-03-17 21:14:52下载
- 积分：1
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picture
图形界面设计，实现开放的图片，图像增强，锐化图像，放大，缩小功能，一个简单的图形界面。(Graphical interface design, to achieve the opening of the picture, the enhancement of the image, sharpen the image, zoom in, zoom out function, a simple graphical interface.
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- 2012-03-26 15:56:17下载
- 积分：1
