串行通讯协议 I2C： 集成电路间或两线制接口是一种串行通信协议，半双工。 广泛用于短距离板内通信。 I2C连接嵌入式系统中的微控制器，EEPROMS，A / D和D / A转换器，I / O接口和其他类似外设接口等设备。 I2C总线中的数据传输 理想状态：当主机和从机之间没有数据传输时，则SDA和SCL线处于高逻辑状态。 启动条件：SDA线从高逻辑变为低逻辑，而SCL线保持在高逻辑。 这称为“开始信号”。 从站地址：发送目标从站的7位地址。 ACK：从机将产生一个1位信号来确认主机。 数据传输：8位数据通过SDA线传输的顺序是：先传输MSB，最后传输LSB。 ACK2：当从主机接收到一个字节（8位）时，从机再次产生一个确认信号。 停止条件：SDA线从低逻辑变为高逻辑，并且SCL线保持高电平，这称为“停止信号”。

讨论了在通信约束下联合状态降维和量化器设计问题，用于量化线性动态系统中的状态估计。 为了满足发射功率约束和并行信道数目和带宽约束的要求，采用DPCM（差分脉冲编码调制）的结构来产生量化的创新信号作为发射信号，并进行状态维数的减小和减小。量化器是根据接收方滤波的MMSE（最小均方估计误差）准则共同设计的。 分析分析和仿真结果表明，采用所提出的降维方法和最优量化器，在通信约束下，接收器滤波器的估计性能最佳。

1、文章：https://kunnan.blog.csdn.net/article/details/114693546 2、目的：是想在自己的deb 自带rocketbootstrapd，避免每次部署都从bigBoss 源更新。 3、相关文章：iOS AppStore Search optimize【 ASO项目使用的技术】之 Inter process Communication By Rrocketbootstrap ———————————————— 版权声明：本文为CSDN博主「#公众号：iOS逆向」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。 原文链接：https://blog.csdn.net/z929118967/article/details/114694914

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Simulation of Digital Communication Systems Using Matlab

Simulation Of Communication Systems Since the first edition of the book was published, the field of modeling and simulation of communication systems has grown and matured in many ways, and the use of simulation as a day-to-day tool is now even more common practice. Many new modeling and simulation approaches have been developed in the recent years, many more commercial simulation packages are available, and the evolution of powerful general mathematical applications packages has provided still more options for computer-aided design and analysis. With the current interest in digital mobile communications, a primary area of application of modeling and simulation is now to wireless systems of a different flavor than the traditional ones. Since the objective of modeling and simulation is to study and evaluate the behavior and performance of systems of current interest, the practice of simulation has naturally evolved along with the types of systems that have emerged or are being designed for the future. Nevertheless, to the extent that simulation is an embodiment of fundamental principles of several disciplines, communication theory in particular, the practice of modeling and simulation is still very much grounded in those basics. It is these principles, along with the many tricks of the trade that accompany their application, that still form the main focus of this second edition.

《DIGITAL COMMUNICATION(Second Edition)》Edward A. Lee、David G. Messerschmitt

研究了由光纤非线性引起的偏振抖动现象。 当使用最佳偏振校正时，基于两个正交线性偏振态，在偏振复用（PM）系统中得出有关偏振抖动的一般公式。 通过仿真研究了基于NRZ码的100G b / s PM系统，针对两种正交偏振光的不同功率和相位差，得到了关于偏振抖动和庞加莱球图的Stocks参数。 结果表明，当组合的PM信号为线性或圆形偏振态时，偏振抖动将得到抑制。

(1)ASN.1 Complete.pdf (2)ASN.1 Communication between Heterogeneous Systems.pdf