design LP,HP,B S digital Butterworth and Chebyshev filter. All array has been specified internally,so user only need to input f1,f2,f3,f4,fs(in hz), alpha1,alpha2(in db) and iband (to specify the type of to design). This program output hk(z)

C++Builder中，通过HID_GUID找到HID USB设备，并向咖啡机设备发送命令以取得咖啡机设备的参数。深圳企业www.wik.com.hk公司的咖啡机项目基本源代码。-In C++ builder, through HID_GUID to find HID USB device. and Send command to Coffee Machine to get the parameters of Coffee Machine. Project in ShenZhen industr

android使用海康Sdk的demo，实现登录，预览和停止预览的官方sdk(Android USES hai kang Sdk demo, login, the official Sdk preview and stop the preview)

海康威视摄像机app客户端开发实例demo(hk android app develop demo)