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移动支付方案v1.3
中国某电信公司电子商务平台分为两层：支撑层和业务层，支撑层为电子商务业务的开展提供支撑功能，包括认证系统、支付系统、移动终端安全系统以及整个电子商务业务的计费和结算系统；业务层包括各种具体的电子商务业务以及为各种业务提供公共服务功能的业务平台。(a Chinese telecommunications company e-commerce platform is divided into two tiers : the supporting layer and the business layer, layer support for the development of e-commerce to provide business support functions, including authentication systems, payment systems, mobile terminals and security systems throughout the e-commerce business billing and settlement systems; Layer including business specific business and e-commerce operations for the full range of public services business platform.)
- 2005-07-25 15:06:29下载
- 积分：1
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000
说明： 全国电子设计大赛优秀方案（程控滤波电路）(Electronic Design Competition outstanding national program (program-controlled filter circuit))
- 2009-08-16 11:13:28下载
- 积分：1
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metasurface
a good paper to understand the metasurface directivity
- 2018-06-21 19:01:54下载
- 积分：1
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n
说明： 这是一篇硕士论文：论述了矢量控制的理、坐标变换矩阵和三相异步电机的基本方程式，推导出了异步电机在不同坐标系下的数学模型，实现了异步电机转矩电流、励磁电流的解耦，然后分析、比较了无速度传感器矢量控制的各种方法的原理及优缺点，对常用的自适应法和反电动势法进行了更为详细的原理和仿真比较，并将带速度传感器控制系统的性能和无速度传感器控制系统的性能进行了比较；最后设计了模糊控制器对电机定子电阻进行在线检测，增强矢量控制系统的鲁棒性。(This is a master s thesis ： the vector control of the administration, the transformation matrix and coordinate with a three wire asynchronous the motor of the basic formula of the asynchronous motor, resulting in a different coordinate system of mathematical model, the realization of the asynchronous the motor turned the current, the solution urges, and then analyzing and my speed sensor vector control of theprinciples and commonly used to act against the law and pose a more detailed and emulation, and will take speed sensor control)
- 2011-07-13 10:19:19下载
- 积分：1
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Test7
Eagle cadsoft library ADE7758 power meter i ade
- 2012-06-06 17:14:19下载
- 积分：1
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dc-ac-10-kW-inverter
详细设计10KW逆变器的英文资料，内有原理图，有较大参考价值(10KW inverter detailed design information in English, there are schematic, a larger reference value)
- 2011-09-15 09:40:57下载
- 积分：1
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gaussian-filters
非线性问题的高斯滤波,包含了贝叶斯递归滤波、高斯-厄尔米特滤波、中心差分滤波、混合高斯滤波等先进滤波方法(Gaussian filters for Nonlinear filtering problems)
- 2012-05-07 22:39:18下载
- 积分：1
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CBIR
关于CBIR的论文，非常有用，使您轻松掌握常用技巧，取得事半功倍的效果。(About CBIR papers, very useful, allowing you to easily master the techniques used to obtain a multiplier effect.)
- 2014-05-25 22:00:31下载
- 积分：1
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zhexuejiajincan
说明： 计算机操作系统原理与实现中的重要实验，关于哲学家进餐的问题(computer operating system Theory and the important experiments on the dining philosophers problem)
- 2006-05-17 11:43:45下载
- 积分：1
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HVDCLIGHTSYSTEM
SIMULINK MODELS OF HVDC LIGHT SYSTEM
- 2011-10-20 05:09:00下载
- 积分：1
