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ga427
- 针对TSP问题，提出了一种改进的遗传算法。在遗传算法中引入进化算法的思想，在此基础上提出顶端培育策略和分阶段策略，以求在保证群体多样性的同时加快收敛速度。-against TSP, an improved genetic algorithms. Genetic Algorithm evolutionary algorithm introduced the idea that the basis of this proposed strategy and cultivating top phase
goagoBlogs
- 1.使用Url重写成静态页，优化meta的title属性，使搜索引擎更容易识别和收录，并提高安全性。 2.采用更加快速的查询算法和和强大的多用户自定义分类，保证程序运行的高效率。 3.首页博客概要列表采用灵活的html代码和文本的选择机制，使首页显示更加多样性。 4.使用Menu控件作为菜单导航，使您可以通过Web.sitemap任意增减无级下拉菜单扩展定位您的网站页面。 5.规范n层架构和动态缓存，以避免IIS回收资源后程序的不稳定。 6.与逛一逛论坛(goago
asp
- 本系统是一个相对简单的基本应用系统，主要满足传统的花店运营需要，将自己的销售渠道扩展到网上，通过简单的管理，提供给最终消费者产品的展现、购物、订单处理等一实现鲜花在线销售。 通过本系统可以管理简单的在线销售模式、满足用户随时查询产品信息，随时下单购物的应用需求。由于本系统考虑到产品的适应性、安全性和访问效率，所以，在系统平台多样性、技术先进性、功能适应性和灵活性等方面都有考虑，使系统相对完善，具有更好的学习价值。 -The system is a relatively simple ba
2009_the_Algorithm_Improves_in_Dyadic_System_Owing
- 嵌入式系統中SPIHT算法改進的研究: 本文在重點分析研究SPIHT算法的基礎上,結合現有技術提出一種改進的SPIHT算法.改進的SPIHT算法通過采用提升小波變換、結合人眼視覺特性、對算法的分集排序過程進行優化等措施,進一步提高壓縮性能,而且圖像復原質量較好.-SPIHT algorithm for embedded systems to improve the research: In this paper, the focus of analysis in the SPIHT algori
NetSimu
- 使用临域节点来充当虚拟的MIMO，构成多天线，从而实现空间分集，并且使用了跨层优化的设计理念，将网络层，MAC，和物理层进行了模拟-Use the Pro domain node to act as virtual MIMO, constitutes a multi-antenna in order to achieve spatial diversity, and the use of cross-layer optimization design concepts, the network
transmit-diversity
- 无线通信中一个简单的发送分集，介绍了Alamouti空时块码！-This paper presents a simple two-branch transmit diversity scheme. Using two transmit antennas and one receive antenna the scheme provides the same diversity order as maximal-ratio receiver combining (MRRC) with
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- 基于生物免疫系统的自适应学习、免疫记忆、抗体多样性及动态平衡维持等功能,提出一种动态多目标免疫 优化算法处理动态多目标优化问题.算法设计中,依据自适应ζ邻域及抗体所处位置设计抗体的亲和力,基于Pa- reto控制的概念,利用分层选择确定参与进化的抗体,经由克隆扩张及自适应高斯变异,提高群体的平均亲和力,利 用免疫记忆、动态维持和Average linkage聚类方法,设计环境识别规则和记忆池,借助3种不同类型的动态多目标 测试问题,通过与出众的动态环境优化算法比较,数值实验表明所
GA
- 热力学遗传算"~-(therm odynamical genetic algorithms，简称TDGA)借鉴固体退火过程中能量与熵的竞争 模式来协调GA 中“选择压力”和“种群多样性”之间的冲突．然而TDGA 目前极高的计算代价限制了其应用．为了提 高TDGA的计算效率，首先定义一种等级熵(rating—based entropy,J~j称RE)度量方法，它能以较小的计算成本度量种 群中个体适应值的分散程度．然后引入分量热力学替换规则(component thermod)rnami
Immune_Chaotic_Network_Algorithm_for_Multimodal_Fu
- 针对多峰函数优化问题，借鉴混沌遍历特性和免疫网络理论，提出一种免疫混沌网络算法。算法利用混沌运动的自身规律在不同的峰值区域内搜索最佳抗体，增强了算法的局部搜索能力；采用网络抑制策略，保持了种群的多样性；通过网络补充机制自适应地调节抗体群的规模，提高了算法对不同类型多峰函数的适应能力。仿真结果表明该算法能有效地改善种群的多样性，较好地保持全局搜索和局部搜索的动态平衡，具有更强的多峰函数优化能力-Referred to the ergodicity of chaos and immune netwo
Based-on-WS-model-PSO
- 利用WS模型的断边重连特性从网络中随机选择边进行断边重连，以此来改变算法的邻域结构，提高算法的多样性。-the model off Bian WS rewiring randomly selected features from the network of conducting an off side reconnection algorithm in order to change the neighborhood structure, increase the diversity algo
pso1
- 某些实际问题的优化目标是求所有的局部最优解, 即求解多峰寻优问题, 为了求解多峰优化问题, 提出了改造的微粒 群优化算法. 尽量减少微粒群算法中的全局因素, 从而增大其局部因素, 同时采用变步长方法增加微粒的多样性. 并给出了该算法 的原理和步骤. 仿真实验表明该算法概念清楚, 计算简单, 具有很好的局部寻优特性, 可应用求解于多峰寻优问题. 另外还给出了几 个运算实例和与其它优化算法的比较.-Some of the practical problems the optimizati
Alamouti
- 16qam 换句话说,信号可能仍然是 探测到,但以较低的质量。这是通常所说 对软失败。幸运的是,新的传-16qam simulink ser mimo one of the receive chains fail, and the other receive chain is operational, then the performance loss is on the order of the diversity gain. In other words, the
antenna
- 换句话说,信号可能仍然是 探测到,但以较低的质量。这是通常所说 对软失败。幸运的是,新的传输的多样性 方案提供了相同软失败。对-one of the receive chains fail, and the other receive chain is operational, then the performance loss is on the order of the diversity gain. In other words, the signal may stil
diversity
- achivable to order diversity in coperativr communication
SER_Rayleigh_Bessel
- Calculates SER in 64PSK,64QAM modulation technique and produces graphical figures for diversity order up to eight,rayleigh channel,bessel first order
Cooperative-Diversity-using-Soft-Decision-and-Dis
- Cooperative communications techniques exploit the spatial diversity of wireless radio channel by forming antenna arrays in order to achieve Multiple Input Multiple Output (MIMO) performance in multi-user single-antenna environment.
vvvvA-Simple-Transmit-Diversity-Technique-in-wire
- This paper presents a simple two-branch transmit diversity scheme. Using two transmit antennas and one receive antenna the scheme provides the same diversity order as maximal-ratio receiver combining (MRRC) with one transmit antenna, and two
MIMO-OFDM
- 基于matlab的OFDM仿真程序，源代码，分析等-This paper presents a simple two-branch transmit diversity scheme. Using two transmit antennas and one receive antenna the scheme provides the same diversity order as maximal-ratio receiver combining (MRRC) with one tr
MRC
- ns STBC for purely time-selective channels by transforming the time-selective channels into frequency-selective channels, and by adjusting existing space–time code designs over frequency-selective MIMO channels to collect joint space–Doppler ga
Signal Space Diversity: A Power- and Bandwidth-Efficient Diversity Technique for the Rayleigh Fading Channel
- The increasing need for high data-rate transmissions over time- or frequency-selective fading channels has drawn attention to modulation schemes with high spectral efficiency such as QAM. With the aim of increasing the “diversity order” of the signal