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QPSK 调制与解调
数字调制技术一套的基础功能选择特定的调制方案。一般的基础功能是互相正交的。可以使用 "克施密特正交化" 过程派生的基础功能。一旦选择了基础功能,任何信号空间中的向量可以表示为基函数的线性组合。
在正交相移键控 (QPSK) 两个正弦波 (sin 和 cos) 作为基函数调制的。调制被通过不同相的基础功能,根据消息符号。在 QPSK,调制是基础,在那里有一个符号包含 2 位的象征。
- 2023-08-22 20:00:04下载
- 积分:1
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This is what I have written serial debugger, we want to help
这是我自己编写的串口调试程序,希望对大家有所帮助-This is what I have written serial debugger, we want to help
- 2022-02-14 05:05:00下载
- 积分:1
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Complete website design and code of the thesis can be used as a thesis and clear...
完整的网站设计的毕业论文及代码,可以作为毕业论文使用,很清晰的设计-人才信息管理-Complete website design and code of the thesis can be used as a thesis and clear design- human resources information management
- 2022-01-22 15:49:07下载
- 积分:1
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M3DEA (Mobile 3D Engine API) 手机3D引擎API
M3DEA (Mobile 3D Engine API) 手机3D引擎API-M3DEA (Mobile 3D Engine API) mobile 3D engine API
- 2022-08-02 16:52:27下载
- 积分:1
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g.711 alow ulaw g.726 source.
g.711 alow ulaw g.726源码.-g.711 alow ulaw g.726 source.
- 2022-05-28 00:23:34下载
- 积分:1
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本书全面讲解IPv6及相关协议实现的事实标准KAME,揭示了KAME IPv6协议栈的所有细节,对每行代码到底做了什么以及为什么要这样设计都进行了解释。全书共分...
本书全面讲解IPv6及相关协议实现的事实标准KAME,揭示了KAME IPv6协议栈的所有细节,对每行代码到底做了什么以及为什么要这样设计都进行了解释。全书共分7章,分别介绍IPv6地址结构、IPv6、ICMPv6、邻居发现和无状态地址自动配置、传输层协议及套接字API扩展。每章都包含两个主要部分:第一部分提供了作为RFC发布的主要协议规范的摘要,定义各种协议分组,解释每个分组中每个字段的含义和目的;第二部分则描述实现这些RFC的KAME的数据结构及功能。书的最后还提供了一些例子,说明如何编写既可以在IPv4网络上运行、又可以在IPv6网络上运行的可移植应用程序。.
本书是IPv6的权威参考书,适合网络设计和开发人员阅读。此外,本书还适合作为高校相关专业网络课程的教学参考书。-This book fully explain the IPv6 and related protocols, the de facto standard KAME, reveals the KAME IPv6 protocol stack all the details on each and every line of code in the end did what and why to be so designed to have carried out an explanation. The book is divided into seven chapters, describing the structure of IPv6 addresses, IPv6, ICMPv6, neighbor discovery and stateless address autoconfiguration, Transport Layer and the socket API extensions. Each chapter contains two main parts: the first part provides as RFC published a summary of the main protocol specification, defining a variety of protocols grouped in each group to explain the me
- 2022-03-05 02:31:04下载
- 积分:1
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ultrawidebad文件有
ultrawidebad file is there
- 2022-11-17 07:55:04下载
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A self
A self-designed control of PC parallel port communication is introduced in this paper.Taking advantage of the MFC ActiveX technology, it is developed in Visual C++ and offset the scarcity of the control of PC parellel paort communication. An example of frequency measurement shows the detail procedure and application of the control.
- 2022-01-25 21:28:42下载
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SerialPortCS
这是前段时间为多普达U1000手机做的一个蓝牙串口通信软件,实现通过多普达U1000手机控制外部设备的功能,软件运行于wince系统,使用vs2005开发,
- 2022-08-22 18:23:46下载
- 积分:1
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digital television system theory and test digital TV introduced the theory of kn...
数字电视系统原理及测试
介绍数字电视方面的原理知识-digital television system theory and test digital TV introduced the theory of knowledge
- 2022-07-01 18:08:02下载
- 积分:1