battt

matlab实现遗传算法程序,用于求解约束的优化问题(matlab genetic algorithm to achieve the procedure for solving constrained optimization problem)

simulator of alamouti code in lte system

This the program for Generalized synchronization of fractional order Hyperchaotic chen system

说明：  全自动无缝图像拼接技术 并附有样例供参考(Automatic seamless image mosaic technology together with samples for reference)

simulation of ultrasonic cavitation. to use with RP function file in order to plot bubble radius time development.

该程序能够实现小球的运动，且小球运动角速度可调，单击【开始】，小球开始运动。(The program is able to achieve a small movement of the ball and ball movement angular velocity is adjustable, click [Start], the ball starts to move.)

线性调频信号频谱及匹配滤波方面的源代码，供大家参考，(LFM signal spectrum and matched filter area of the source code for reference,)

In this paper, we investigate the timing and carrier frequency offset (CFO) synchronization problem in decode and forward cooperative systems operating over frequency selective channels. A training sequence which consists of one orthogonal frequency-division multiplexing (OFDM) block having a tile structure in the frequency domain is proposed to perform synchronization. Timing offsets are estimated using correlation-type algorithms. By inserting some null subcarriers in the proposed tile structure, we propose a computationally efficient subspace decomposition- based algorithm for CFO estimation. The issue of optimal tile length is studied both theoretically and through simulations. By judiciously designing the tile size of the pilot, the proposed algorithms are shown to have better performance, in terms of synchronization errors and bit error rate, than the time-division multiplexing-based training method and the computationally demanding space-alternating generalized expectation-maximization

ode numerical simulation of vertical cavity semiconductor optical amplifier

数字水印(digitalwatermarking)是一种信息隐藏技术，它的基本思想是在数字图像、音频或视频等数字媒体作品中嵌入秘密信息，以便保护数字作品的版权、证明作品的真实可靠性、跟踪盗版行为或提供作品的附加信息。(Digital Watermarking (digitalwatermarking) is a kind of information hiding technology, its basic idea is in the digital image, audio or video digital media works, such as embedded secret information in order to protect the copyright of digital works to prove that the true reliability of the work, tracking piracy works or provide additional information.)