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传真(Fax)编程 利用FaxModem通过串口或TAPI接口直接发送和接收传真 一套非常不错的传真库(稳定
利用FaxModem通过串口或TAPI接口直接发送和接收传真 一套非常不错的传真库(稳定，高速)，几乎支持所有的FaxModem，出自Symantec公司 Winfax 中国作者之手。
一 .Some of the standard features:
1.Comes with Class1, Class1.0, Class2 and Class 2.0 Fax Drivers
2.Class 1 ECM error correction .
3.Supports CCITT T. ...
其他书籍 This paper addresses the subject of SQL Injection in a Microsoft SQL Server/IIS/Active Server Page
This paper addresses the subject of SQL Injection in a Microsoft SQL Server/IIS/Active
Server Pages environment, but most of the techniques discussed have equivalents in other
database environments. It should be viewed as a "follow up", or perhaps an appendix, to
the previous paper, "Advanced SQL ...
技术资料 基于小波变换和BP神经网络的视觉诱发电位识别
·摘 要:结合小波变换和误差逆传播（Error Back Propagation,BP）神经网络对视觉诱发脑电信号（visual evoked potential,VEP）进行分类而产生脑机接口控制信号。利用一维离散小波变换提取强噪声背景下的低频微弱脑电信号,获取特征向量输入BP神经网络进行事件相关电位模式识别。实验表明,小波变换特征向量提取方法能有效地 ...
技术资料 基于Proteus的单片机模数转换电路的设计与仿真
以单片机控制A/D转换器TLC549为例,对A/D转换器的主要技术指标进行了分析研究,在Proteus平台下,完成了A/D转换电路的构建,采用器件工作时序方式进行程序编写,借助仿真图表、虚拟仪器等工具对A/D转换的数据进行测量并对失调误差、增益误差、微分非线性、积分非线性和转换时间等重要参数进行了详细分析。结果表明:使用Proteus软 ...
文件格式 This project aim was to build wireless software modem for data communication between two computers
This project aim was to build wireless software modem for data communication
between two computers using an acoustic interface in the voice frequency range (20Hz–
20,000Hz). The transmitting antenna is a speaker (frequency response of: 90Hz –
20,000Hz) and the receiving antenna is a microphone (fr ...
书籍 RFID+Security
Radio frequency identification (RFID) is a type of automatic identification systems
which has gained popularity in recent years for being fast and reliable in keeping
track of the individual objects. In RFID systems, contactless object identification
is achieved using radio signals without the need ...
书籍 Auto-Machine-Learning-Methods-Systems-Challenges
The past decade has seen an explosion of machine learning research and appli-
cations; especially, deep learning methods have enabled key advances in many
applicationdomains,suchas computervision,speechprocessing,andgameplaying.
However, the performance of many machine learning methods is very sensi ...
技术资料 高速ADC、DAC测试原理及测试方法
随着数字信号处理技术和数字电路工作速度的提高，以及对于系统灵敏度等要求的不断提高，对于高速、高精度的ADC、DAC的指标都提出了很高的要求。比如在移动通信、图像采集等应用领域中，一方面要求ADC有比较高的采样率以采集高带宽的输入信号，另一方面又要有比较高的位数以分辨细微的变化。因此，保证ADC/DAC在高速采样情况 ...
其他书籍 We address the problem of blind carrier frequency-offset (CFO) estimation in quadrature amplitude mo
We address the problem of blind carrier frequency-offset (CFO) estimation in quadrature amplitude modulation,
phase-shift keying, and pulse amplitude modulation
communications systems.We study the performance of a standard
CFO estimate, which consists of first raising the received signal to
the Mth ...
软件设计/软件工程 Just what is a regular expression, anyway? Take the tutorial to get the long answer. The short answ
Just what is a regular expression, anyway?
Take the tutorial to get the long answer. The short answer is that a regular expression
is a compact way of describing complex patterns in texts. You can use them to search
for patterns and, once found, to modify the patterns in complex ways. You can also u ...