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行业发展研究 A Public Key Infrastructure (PKI) binds cryptographic public keys to physical entities through digi
A Public Key Infrastructure (PKI) binds cryptographic public keys to physical entities
through digital certificates. A PKI includes components that issue digital certificates and
distribute certificate status information. PKI users select one or more certificate issuers as
trust anchors, and establi ...
行业发展研究 Abstract - A fl exible multiscale and directional representation for images is proposed. The s
Abstract - A &#64258 exible multiscale and directional representation for images is
proposed. The scheme combines directional &#64257 lter banks with the
Laplacian pyramid to provides a sparse representation for two-
dimensional piecewise smooth signals resembling images. The
underlying expansion is ...
系统设计方案 本系统分电压测量和信号产生输出两大部分
本系统分电压测量和信号产生输出两大部分，电压测量部分以模拟电路为主，配合放大模块、A/D转化模块、显示模块；通过凌阳单片机进行数据处理，在误差允许范围内显示测量电压值。信号产生以直接数字式频率合成器(Direct Digital Frequency Synthesis,简称DDS或DDFS)为核心，经过AT89S52对DDS芯片内部进行控制，使之输出标准 ...
单片机开发 These Release Notes describe the functionality of the AudioCodes’ TrunkPack Series Boards and Digit
These Release Notes describe the functionality of the AudioCodes’ TrunkPack Series Boards
and Digital Media Gateways supported by Software Release 4.8. Information contained in this
document is believed to be accurate and reliable at the time of printing. However, due to
ongoing product improvement ...
其他 his procedure is the power spectral density of the simulation, 3 signal source on the specific circu
his procedure is the power spectral density of the simulation, 3 signal source on the specific circumstances, see the "modern digital signal processing" Introduction to the first volume, P202, Exercise 5. Experimental Methods
其他 An introductory course on programming PIC microcontrollers. The reader should have some knowledge of
An introductory course on programming PIC microcontrollers. The reader should have some knowledge of digital logic.
嵌入式/单片机编程 The software and hardware development fields evolved along separate paths through the end of the 20t
The software and hardware development fields evolved along separate paths through the end of the 20th century. We seem to have come full circle, however. The previously rigid hardware on which our programs run is softening in many ways. Embedded systems are largely responsible for this softening. Th ...
matlab例程 Title : Implementation of quadrature modulation and demodulation Design Object : By implementing qu
Title : Implementation of quadrature modulation and demodulation
Design Object : By implementing quadrature modulation and demodulation of analog signals in digital signal processing, students will have better understanding of sampling and frequency analysis of discrete-time signals.
Design Content ...
数学计算 VC 中调用MATLAB 程序功能： 为了在vc中调用MATLAB而写的一个简单测试程序 设置路径： 根据MATLAB所在盘而定
VC 中调用MATLAB
程序功能：
为了在vc中调用MATLAB而写的一个简单测试程序
设置路径：
根据MATLAB所在盘而定，例如我的matlab是装在D盘的，所以需要包含的路径为
D:\MATLAB6p1\extern\include\,在工程中设置
需包含的头文件：
//matlab中的头文件调用matlab的函数
#include "engine.h"
需要连接的LIB库：
D:\MATLAB6p1\ext ...
其他书籍 The Open Radar Data Acquisition (ORDA) subsystem replaces the current WSR-88D Radar Data Acquisiti
The Open Radar Data Acquisition (ORDA)
subsystem replaces the current WSR-88D Radar
Data Acquisition subsystem with improved
receiver and signal processing hardware and with
improved user interface, signal processing and
diagnostics software. This paper will discuss the
input data from the digital r ...