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remez.rar
- remez函数设计FIR低通滤波器 设计滤波器,使逼近低通滤波特性 。 要求通带波纹 ,阻带衰减 ,并用最小阶数实现。绘出设计的FIR数字滤波幅频特性曲线。 ,remez function design FIR filter low-pass filter designed to approximate the low-pass filter characteristics. Requirements of passband ripple, stopband attenuation, an
16qam_channel_encode
- 一、 本程序采用16QAM调制方式,对一串2进制信源进行调制,采用(7,4)循环码对信源做信道编码,用升余弦滚降函数进行基带调制,再调到高频信道;在信道上加入高斯白噪声,运用匹配滤波器解调,画出解调星座图,运用最小欧氏距离译码判决,再对信号进行信道解码,画出采用信道编码技术和不采用信道编码技术的误比特率图。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated,
aliasingfilter
- 1)设计Butterworth型音频抗混叠滤波器; 2)参数: 下通带频率300Hz;上通带频率3400Hz; 下阻带频率280Hz;上阻带频率3600Hz; 通带最大衰减0.3dB; 阻带最小衰减40dB; 3)采用一低通滤波器和一高通滤波器级联; 4)分别确定LPF和HPF的性能指标; 5)求出两滤波器的系统函数和频率响应,并画出其幅频特性曲线; 6)求整个滤波器的系统函数和频率响应,并画出其幅频特性曲线。-1) the design of Butterw
fskgenerator1
- Cross – Correlation of the Two FSK Signals. FREQUENCY SHIFT KEYING - ERROR PROBABILITY: The Probability of error of an FSK system depends on the separation of “distance” d, between two (or more) signals The probability of error is minimu
qam
- 一、 本程序采用16QAM调制方式,对一串2进制信源进行调制,用升余弦滚降函数进行基带调制,再调到高频信道;在信道上加入高斯白噪声,运用匹配滤波器解调,画出解调星座图,运用最小欧氏距离译码判决,计算误比特率。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated with a raised cosine roll-off function for base-ba
zz
- 主要完成通信最小高斯移频键控的相关一些函数的功能-Mainly to complete the minimum Gaussian frequency shift keying communications related to the function of some function
chxu
- 本文在传统分布式功率控制算法的基础上,考虑到代价函数的非负性,且存在一个正的最小值的特性,采用用户发射功率和信干比来定义用户的代价函数,引用了一种基于代价函数的功率控制算法。最后,本文利用MATLAB工具对该算法进行了仿真分析,验证了算法的有效性-Based on the traditional distributed power control algorithm based on, taking into account the non-negative Daijia function, a
ImageTest
- android 软件工程,实现图片图片切换功能,还有改变图片的透明度,开始时为全屏蓝色,因为此时透明度最小,只显示背景。-Android software engineering, Image Image switching function, change the transparency of the picture, the beginning of full-screen blue, because the minimum transparency, show only the back
zyc2
- 平台ATmega16 编程软件CodeVisionAV 实现功能:单片机与PC机(电脑)之间的串口通信。具体就是单片机最小系统上的AD键盘按键按下后发送键值到串口助手上显示,串口助手发送一串字符到最小系统上的lcd1602显示。 -The platform ATmega16 programming software CodeVisionAV function: serial communication between the MCU and PC (computer). Specif
Imitation-of-alipay-qr-code-scanning
- 支持生成二维码,扫描二维码功能,最少支持苹果ios7.0,二维码的中间还可以放置头像-Support to generate the qr code, scan qr code function, minimum support apple ios7.0, qr code still can be placed in the middle of the picture