搜索资源列表
-
0下载：
试卷生成系统，一个很好的工具，希望大家喜欢，请求开通账号-Paper Generation System, a good tool, I hope you like it, request open account
-
-
0下载：
In a deregulated utility environment financial and market forces will demand a more optimal and profitable
operation of the power system with respect to generation, transmission and distribution. Power electronic
equipment such as flexible AC Tra
-
-
0下载：
This paper describes a small wind generation system where neural network principles are applied for wind speed estimation and robust maximum wind power extraction control against potential drift of wind turbine power coefficient curve. The new contro
-
-
0下载：
TCExam is a web-based open source online examination system for online questions generation, management and other aspects. Recently, the online examination as a way to replace the traditional pen and paper test "gradually in many popular schools
-
-
1下载：
本文分析微网中微电源包括光伏发电、风力发电、微燃机、柴油发电机和燃料电池的电气特性，构建微电网优化运行的模型，以微网的经济成本和环境成本最小为目标函数，充分考虑了电压越限、功率平衡、微电源出力限制等约束条件，应用鸡群算法进行求解。 解决了粒子群算法易早熟、易陷入局部最优解的问题。并通过典型的微网系统进行仿真分析，仿真结果验证了该算法的有效性。(In this paper, the electrical characteristics of micro-power sources in micro
-
-
1下载：
随着无线通信技术的快速发展和智能手机的迅速普及，人们对数据传输速率提出了更高的需
求。为进一步提高数据传输速率，通过增加基站天线数目构建大规模ＭＩＭＯ系统，是一种高效而相对
便捷的方式。大规模ＭＩＭＯ系统能深度发掘空间维的自由度，使得基站能够利用同一时频资源服务于
多个用户。本文探讨了大规模ＭＩＭＯ系统的导频污染问题及解决方案、适用于大规模ＭＩＭＯ系统的
信道模型以及低复杂度的传输技术与实现方法三项关键技术。与现有ＭＩＭＯ系统相比，大规模ＭＩＭＯ
系统能显著提高频谱效率、能量效率和系统
-
