实验报告zhang.rar
上传时间： 2013-12-19
上传用户：784533221
henzhing yao de wen zhang kankan
上传时间： 2014-01-20
上传用户：er1219
wo de wen zhang
上传时间： 2015-08-13
上传用户：啊飒飒大师的
Qinghua zhang 关于小波神经网络奠基性文章，全英文，经典之作。
上传时间： 2016-01-15
上传用户：FreeSky
The exercise should be finished in English. 2. According to Prof. zhang s requirement, this exercise mainly focuses on the BER performance of some wireless communication system using specific coding and modulation type through the AWGN channel. Signal-to-Noise ration (SNR) varies from 5dB to 20dB.
标签： requirement According exercise finished
上传时间： 2014-01-06
上传用户：zhangyigenius
本文档由Taiguo zhang 个人翻译完成。如有转载，复制，摘抄，必须向Taiguo zhang 提出。 本文英文文档归RIM 公司所有。如有任何问题，请与RIM 联系。 如果本文档侵犯RIM 的权利，请RIM 立即通知我，我将予以删除和其他处理。
上传时间： 2014-01-04
上传用户：vodssv
Enhanced Audio Project by Dixie Xue & Wei zhang
标签： Enhanced Project Audio Dixie
上传时间： 2013-12-24
上传用户：fredguo
Integrated EMI/Thermal Design forSwitching Power SuppliesWei zhangThesis submitted to the Faculty of theVirginia Polytechnic Institute and State Universityin partial fulfillment of the requirements for the degree of Integrated EMI/Thermal Design forSwitching Power SuppliesWei zhang(ABSTRACT)This work presents the modeling and analysis of EMI and thermal performancefor switch power supply by using the CAD tools. The methodology and design guidelinesare developed.By using a boost PFC circuit as an example, an equivalent circuit model is builtfor EMI noise prediction and analysis. The parasitic elements of circuit layout andcomponents are extracted analytically or by using CAD tools. Based on the model, circuitlayout and magnetic component design are modified to minimize circuit EMI. EMI filtercan be designed at an early stage without prototype implementation.In the second part, thermal analyses are conducted for the circuit by using thesoftware Flotherm, which includes the mechanism of conduction, convection andradiation. Thermal models are built for the components. Thermal performance of thecircuit and the temperature profile of components are predicted. Improved thermalmanagement and winding arrangement are investigated to reduce temperature.In the third part, several circuit layouts and inductor design examples are checkedfrom both the EMI and thermal point of view. Insightful information is obtained.
上传时间： 2013-11-10
上传用户：1595690
Integrated EMI/Thermal Design forSwitching Power SuppliesWei zhangThesis submitted to the Faculty of theVirginia Polytechnic Institute and State Universityin partial fulfillment of the requirements for the degree of Integrated EMI/Thermal Design forSwitching Power SuppliesWei zhang(ABSTRACT)This work presents the modeling and analysis of EMI and thermal performancefor switch power supply by using the CAD tools. The methodology and design guidelinesare developed.By using a boost PFC circuit as an example, an equivalent circuit model is builtfor EMI noise prediction and analysis. The parasitic elements of circuit layout andcomponents are extracted analytically or by using CAD tools. Based on the model, circuitlayout and magnetic component design are modified to minimize circuit EMI. EMI filtercan be designed at an early stage without prototype implementation.In the second part, thermal analyses are conducted for the circuit by using thesoftware Flotherm, which includes the mechanism of conduction, convection andradiation. Thermal models are built for the components. Thermal performance of thecircuit and the temperature profile of components are predicted. Improved thermalmanagement and winding arrangement are investigated to reduce temperature.In the third part, several circuit layouts and inductor design examples are checkedfrom both the EMI and thermal point of view. Insightful information is obtained.
上传时间： 2013-11-16
上传用户：萍水相逢
摄像机标定程序：用matlab语言编写，zhang是主程序，请参考test以了解调用的方法
上传时间： 2015-07-11
上传用户：yyyyyyyyyy
