隔震非隔震结构在El-centro地震波下反应

python numpy 的一些基本操作和结果展示。。。。。。。(python numpy basic function)

一个简单的arp封包程序，可以伪装成任意ip，mac。代码简单可塑性强，适合winpcap初学者或arp防御测试者使用，对于不好的地方希望多多交流相互学习-Arp packet with a simple procedure that can masquerade as any ip, mac. Code is simple and plasticity, and is suitable for beginners or arp defense winpcap test to use, the local hope for the poor lot of communication learning from each other

在 Internet 存取 CDDB(Compact Disc DataBases) 的 MFC 类-band Internet access (Compact Disc DataBases) category MFC

C#开发的取色器

用udp协议通讯示例--包括udp客户端与服务端的源代码。(Examples using udp protocol communications- including the udp client and server source code.)

一个简易的用户留言Web应用程序,它能实现留言的查看和添加功能.-a simple Web user voice applications, it can realize the message view and add functionality.

说明：  OFDM信号的循环谱密度，非常详细，根据协议编的，外面非常少见！(OFDM signals in cyclic spectrum density, very detailed, made under the agreement, the outside is very rare!)

简单局域网聊天，同时可以互传文件，主要对socket的操作-A simple LAN chat, as well as documents to each other, mainly operating on the socket

在美国流传甚广的图片站程序。imgthumbs_35.zip非常值得使用，二次开发容易(In the United States widely picture stations. imgthumbs_35.zip very worthwhile use of the secondary development of easy)

说明：  下垂控制在逆变器型微电网控制中得到了广泛应用。当线路呈阻性时,有功功率和无功功率存在较强耦合,影响了下垂控制的性能。目前提出了两大类解决方法:一类方法通过控制参数的选取使逆变器的等效输出阻抗在基频段呈感性,但该方法的输出阻抗受制于控制参数并且存在较大缺陷;另一类方法用逆变器输出电流和虚拟阻抗计算电压降,从指令电压中减去该电压降,达到模拟实际阻抗的作用,效果更优,但对其机理缺乏阐述,且存在逆变器输出电压偏差问题。(Droop control is widely used in inverter based microgrid control. When the line is resistive, there is a strong coupling between active power and reactive power, which affects the performance of droop control. At present, two kinds of solutions are proposed: one is to make the equivalent output impedance of the inverter inductive in the fundamental frequency band by selecting the control parameters, but the output impedance of this method is subject to the control parameters and has great defects; the other is to calculate the voltage drop by using the output current and virtual impedance of the inverter and subtract the voltage drop from the command voltage to simulate the actual impedance, The effect is better, but its mechanism is lack of elaboration, and there is the problem of inverter output voltage deviation.)