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Modem编程 Make and answer phone calls Detect tone and pulse digit from the phone line Capture Caller ID
Make and answer phone calls
Detect tone and pulse digit from the phone line
Capture Caller ID
Support blind transfer, single-step transfer/conference, consultation transfer/conference, hold, unhold.
Control of the local phone handset, microphone and speaker of the modem
Send and receive fa ...
技术资料 正弦波采样软件源码
软件名：
- Single-Cycle Sine Wave Samplor
版本：
- 1.0.0
主要功能：
- 本软件实现对已知正弦函数等间距取值，并生成C语言数组型数据表，可以灵活的配置正弦波最大值，最小值，取样点数等。
主要应用：
- 单片机查表法DA输出正弦波，单片机查表法生成SPWM等。
作者：
- Fane
发布者：
- Firekey电子技术研究与开发 ...
单片机编程 800A全自动STC单片机实验开发板软硬件说明
800A全自动STC单片机实验开发板软硬件说明:① 将下载编程通信线的DB9串行通信RS232插头，插入PC机的RS232串行通信座，用以实现对STC单片机下载编程的通信。② 将下载编程通信线的USB插头（与DB9串行通信RS232插头线较短的一端，注意别搞错，否则不能工作），插入PC机的USB通信座，用以实现对全自动STC单片机实验开发板的供 ...
无线通信 Rf And Microwave Power Amplifier Design（2005）
The main objective of this book is to present all the relevant informationrequired for RF and micro-wave power amplifier design includingwell-known and novel theoretical approaches and practical design techniquesas well as to suggest optimum design approaches effectively combininganalytical calcul ...
单片机开发 六位电子密码锁 采用89s52（51
六位电子密码锁
采用89s52（51，52都可），4*4键盘，六个数码管，74ls04（位选），573（8D锁存器）。
说明：P2---数据（接573）———（接数码管）
P1---位选 ---（按74ls04）
P0--4*4键盘
密码一次性设置（编程时写入的）
电路简单，此源程序仅供初学者学习，可自行扩展密码模块（加24C02）。
编绎软件为wave ...
书籍 LTE-Advanced+and+Next+Generation
In the nineteenth century, scientists, mathematician, engineers and innovators started
investigating electromagnetism. The theory that underpins wireless communications was
formed by Maxwell. Early demonstrations took place by Hertz, Tesla and others. Marconi
demonstrated the first wireless transmis ...
行业发展研究 本文介绍了一种基于复合右/左手（composite right/left-handed
本文介绍了一种基于复合右/左手（composite right/left-handed，CRLH）超材料的新型高增益的有源漏波天线(leaky-wave antenna，LWA)。这种天线工作在边射，由无源CRLH漏波部分与放大器相互连接,重新组成一种在辐射过程中逐步增大功率泄漏的结构,从而提高天线的有效口径进而提高其增益。通过放大器的准单向特性而导致的匹配 ...
文章/文档 It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electrom
It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electromagnetic
illumination (Pendry et al., Science 312, p. 1780). The cylindrical cloaks experimentally
demonstrated (Schurig et al., Science 314, p. 997) and theoretically proposed (Cai et al., Nat. Photon ...
文章/文档 We analyze, both analytically and numerically, the effectiveness of cloaking an infinite cylinder f
We analyze, both analytically and numerically, the effectiveness
of cloaking an infinite cylinder from observations by electromagnetic
waves in three dimensions. We show that, as truncated approximations
of the ideal permittivity and permeability tensors tend towards
the singular ideal cloaking fiel ...
技术资料 TEF665X 用户指南
TEF665XA (‘Atomic-2’) is a series of unparalleled single-chip car radio devices with a mainstream performance and feature set. The Atomic-2 series consists of two variants; TEF6657A and TEF6659A. The TEF6657A (Atomic-2 Premium) offers worldwide FM and full AM reception including short wave (SW) up ...