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数据库系统课程设计
数据库系统课程设计(Database System Design Course)
- 2005-01-05 19:59:50下载
- 积分：1
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PSOBPlunwen
基于PSO的BP训练算法论文：在BP训练算法中，关于变权值、学习速率、步长的问题已被广泛地研究，几种基于启发式改进的技术也表明具有改善训练时间以及避免陷入局部最小的明显效果。这里BP训练过程由基于PSO同时优化log—Sigmoid函数与网络权值的新算
法(PSO。GainBP)实现。实验结果表明，PSO—GainBP比传统基于PSO的BP算法在网络训练方面具有更好的性能。(PSO based on the BP training algorithm Papers: In the BP training algorithm, on the right to change the value of learning rate, step length of the question has been widely studied, several heuristics based on improved technology also shows that to improve the training time and avoid falling into local the smallest tangible results. Here BP training process at the same time by the PSO-based optimization of log-Sigmoid function and the network weights of the new algorithm (PSO. GainBP) to achieve. The experimental results show that, PSO-GainBP than the traditional PSO based on the BP algorithm in network training has a better performance.)
- 2008-12-21 10:56:16下载
- 积分：1
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crm_rm_doc
说明： 客户管理需求 需求文档，系统管理，考勤管理(Customer demand for document management requirements, systems management, attendance management)
- 2010-03-21 09:01:36下载
- 积分：1
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tongxinxuebaoNO6
分享是美德，通信学报第六期，很有用的资料。特别是通信行业的，谢谢分享。(Sharing is a virtue, Journal Communications sixth, useful information. Especially the communications industry, thanks to share.)
- 2011-11-01 16:26:18下载
- 积分：1
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excellent-papers-of-math-
主要是全国研究生数学建模大赛的优秀论文，还有些美赛的，本科生的(Mathematical modeling of the main competition is the outstanding graduate student papers, and some U.S. race, undergraduate)
- 2011-09-30 21:31:24下载
- 积分：1
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FrequencyHoppingTechnology
在无线通信中使用跳频技术是军事通信中最主要的抗干扰手段之一, 而如果系统中能使用合适的中心频率可以快速跟踪跳频变化的带通滤波器将可以明显改善系统的抗干扰性能。文中从实际应用出发, 比较了几种可用于实现带通滤波器快速变频的方案, 选择了简单、实用的开关电容阵改变带通滤波器中心频率的方案(The use of frequency hopping in wireless communication technology is the most important anti-jamming in military communications, one of the means, and if the system can use the appropriate center frequency can be fast-tracked changes in frequency-hopping band-pass filter will be able to significantly improve the system anti-jamming性能. This paper from the actual application, the comparison of several band-pass filter can be used to achieve the rapid conversion of the program, choose a simple, practical switched capacitor array to change the center frequency of band-pass filter program)
- 2009-12-22 21:52:44下载
- 积分：1
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SHE
This is the simulink model for selective harmonic elimination method for induction motor.
- 2010-03-05 13:47:10下载
- 积分：1
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DSP-MP3
dsp 课程设计基于DSP的MP3播放器设计. 文件 word 内包含了 项目介绍，dsp源码和电路图。(dsp course design word document contains a project description, dsp source code and circuit diagrams.)
- 2020-07-03 12:40:02下载
- 积分：1
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QNMVD100系列高压变频器的使用说明手册
QNMVD100系列高压变频器的使用说明手册。本产品的技术方案采用串桥级联多电平逆变器的主电路拓扑结构。高压变频器通过移相隔离变压器将三相6kV高压交流电，变换成3×5组错相的三相690V低压交流电，分别经功率单元整流、逆变、串联叠加形成0~6kV、0~50Hz的交流电压输出至异步电动机(QNMVD100 series of high-voltage inverter)
- 2011-07-15 15:25:53下载
- 积分：1
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k-19
Digital bird kit circuit design
- 2011-10-11 13:30:29下载
- 积分：1
