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  • dhtmlx媲美EasyUI的好用UI组件

    dhtmlx标准版源码,包含tree、form、grid等常用插件

    标签: dhtmlx EasyUI

    上传时间: 2017-05-09

    上传用户:jiangjun0817

  • stm8s模拟iic

    void IIC_Init(void) {                             //由于STM8单片机,可以在输入和输出条件下读取IO口状态,故直接设置为输出。     GPIO_Init(IIC_SCL_PORT, IIC_SCL_PIN, GPIO_MODE_OUT_OD_HIZ_SLOW );     GPIO_Init(IIC_SDA_PORT, IIC_SDA_PIN, GPIO_MODE_OUT_OD_HIZ_SLOW );     IIC_SCL_H;     IIC_SDA_H; } //产生IIC起始信号 void IIC_Start(void) {     IIC_SDA_H;                         IIC_SCL_H;     Delay_us();     IIC_SDA_L; //START:when CLK is high,DATA change form high to low      Delay_us();     IIC_SCL_L; //钳住I2C总线,准备发送或接收数据  }

    标签: stm8s iic 模拟

    上传时间: 2018-01-10

    上传用户:m009988

  • matlab神经网络算法通信信号调制识别

    %========================开始提取加噪信号的各类特征值================================ for n=1:1:50;     m=n*Ns;     x=(n-1)*Ns; for i=x+1:m;          %提取加噪信号'signal_with_noise=y+noise'的前256个元素,抽取50次     y0(i)=signal_with_noise(i); end Y=fft(y0);        %对调制信号进行快速傅里叶算法(离散) y1=hilbert(y0) ;    %调制信号实部的解析式  factor=0;        %开始求零中心归一化瞬时幅度谱密度的最大值gamma_max for i=x+1:m;    factor=factor+y0(i); end ms=factor/(m-x); an_i=y0./ms; acn_i=an_i-1; end gamma_max=max(fft(acn_i.*acn_i))/Ns

    标签: matlab 神经网络算法 通信信号 调制识别

    上传时间: 2020-04-07

    上传用户:如拷贝般复制

  • matlab神经网络算法通信信号调制识别y

    %========================开始提取加噪信号的各类特征值================================ for n=1:1:50;     m=n*Ns;     x=(n-1)*Ns; for i=x+1:m;          %提取加噪信号'signal_with_noise=y+noise'的前256个元素,抽取50次     y0(i)=signal_with_noise(i); end Y=fft(y0);        %对调制信号进行快速傅里叶算法(离散) y1=hilbert(y0) ;    %调制信号实部的解析式  factor=0;        %开始求零中心归一化瞬时幅度谱密度的最大值gamma_max for i=x+1:m;    factor=factor+y0(i); end ms=factor/(m-x); an_i=y0./ms; acn_i=an_i-1; end gamma_max=max(fft(acn_i.*acn_i))/Ns

    标签: matlab 神经网络算法 通信信号 调制识别

    上传时间: 2020-04-07

    上传用户:如拷贝般复制

  • SmartCitiesTheInternetofThings,PeopleandSystems

    The contemporary view of the Smart City is very much static and infrastructure- centric, focusing on installation and subsequent management of Edge devices and analytics of data provided by these devices. While this still allows a more efficient management of the city’s infrastructure, optimizations and savings in different do- mains, the existing architectures are currently designed as single-purpose, vertically siloed solutions. This hinders active involvement of a variety of stakeholders (e.g., citizens and businesses) who naturally form part of the city’s ecosystem and have an inherent interest in jointly coordinating and influencing city-level activities.

    标签: Internet Systems Cities People Things Smart The and of

    上传时间: 2020-05-26

    上传用户:shancjb

  • Communications+Receivers

    The capability of radio waves to provide almost instantaneous distant communications without interconnecting wires was a major factor in the explosive growth of communica- tions during the 20th century. With the dawn of the 21st century, the future for communi- cations systems seems limitless. The invention of the vacuum tube made radio a practical and affordable communications medium. 

    标签: Communications Receivers

    上传时间: 2020-05-26

    上传用户:shancjb

  • Digital+Communication+over+Fading+Channels 1st

    Regardless of the branch of science or engineering, theoreticians have always been enamored with the notion of expressing their results in the form of closed-form expressions. Quite often, the elegance of the closed-form solution is overshadowed by the complexity of its form and the difficulty in evaluating it numerically. In such instances, one becomes motivated to search instead for a solution that is simple in form and simple to evaluate. 

    标签: Communication Channels Digital Fading over 1st

    上传时间: 2020-05-27

    上传用户:shancjb

  • Digital+Communication+over+Fading+Channels,2nd

    Regardless of the branch of science or engineering, theoreticians have always been enamored with the notion of expressing their results in the form of closed-form expressions. Quite often the elegance of the closed-form solution is overshadowed by the complexity of its form and the difficulty in evaluating it numerically. In such instances, one becomes motivated to search instead for a solution that is simple in form and likewise simple to evaluate. 

    标签: Communication Channels Digital Fading over 2nd

    上传时间: 2020-05-27

    上传用户:shancjb

  • Digitally+Assisted+Pipeline+ADCs

    The continued reduction of integrated circuit feature sizes and commensurate improvements in device performance are fueling the progress to higher functionality and new application areas. For example, over the last 15 years, the performance of microprocessors has increased 1000 times. Analog circuit performance has also improved, albeit at a slower pace. For example, over the same period the speed/resolution figure-of-merit of analog-to-digital converters improved by only a factor 10.

    标签: Digitally Assisted Pipeline ADCs

    上传时间: 2020-05-27

    上传用户:shancjb

  • Introduction to Communications Technologies

    Our original effort in writing this book was to create a starting point for those in the business community who did not have a high level of technical expertise but needed to have some understanding of the technical functions of their information and communication technologies (ICT) in a corporate environment. As was true with the first edition of this book, if you are already an engineer, find some other form of pleasure reading—this text is not designed for you!

    标签: Communications Introduction Technologies to

    上传时间: 2020-05-27

    上传用户:shancjb