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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 Butterworth-type audio anti-aliasing filter 2) parameters: passband frequency of 300Hz on pass-band frequency 3400Hz under the stop-band frequency of 280Hz on stop-band frequency 3600Hz passband maximum attenuation of 0.3dB minimum stopband attenuation of 40dB 3) the use of a low-pass filter and a high-pass filter cascade 4) separately to determine the performance of LPF and HPF target 5) to derive two-filter system function and frequency response, and draw its increase frequency characteristic curve 6) for the entire filter system function and frequency response, and draw its amplitude-frequency characteristic curve.)
- 2009-04-08 22:56:06下载
- 积分：1
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banjiutun
esprit algorithm signal frequency interference can be assessed NRZ type differential phase modulation signal modeling and simulation analysis, About ultrasonic parking radar ranging.
- 2017-09-18 16:35:49下载
- 积分：1
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SAE J1939-71-2008 Vehicle Application Layer
汽车行业CAN通讯SAEJ1939标准英文版(Auto Industry CAN Communication SAEJ1939 Standard English Edition)
- 2020-06-18 00:20:01下载
- 积分：1
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通信系统解调中载波锁相环的设计
主要研究无线通信系统中，调制信号的载波同步问题，利用锁相环技术实现同步的matlab仿真(This paper mainly studies the carrier synchronization of modulated signal in wireless communication system, and realizes the MATLAB simulation of synchronization by using phase-locked loop technology.)
- 2019-05-08 19:29:20下载
- 积分：1
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cdlab
this file talk about network
- 2012-10-13 08:30:27下载
- 积分：1
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yapnb
采用加权网络中节点强度和权重都是幂率分布的模型，双向PCS控制仿真，包含光伏电池模块、MPPT模块、BOOST模块、逆变模块。( Using weighted model nodes in the network strength and weight are power law distribution, Two-way PCS control simulation, PV modules contain, MPPT module, BOOST module, inverter module.)
- 2017-05-15 12:45:04下载
- 积分：1
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svn-UserManul
SVN使用方法：如何同步代码，提交代码，更新代码，制作patch(SVN using tips:sync code,commit code,update code,make .patch file)
- 2016-01-04 10:52:26下载
- 积分：1
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OFDM-SINR-blind-estimation
基于相关性分析的OFDM系统信干噪比盲估计，一种利用循环前缀进行信道计数估计，和信噪比盲估计的新方法(Correlation analysis based on OFDM system SINR blind estimation, a use of cyclic prefix for channel count estimates, and SNR estimation method of blind)
- 2013-11-14 19:40:37下载
- 积分：1
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时频分析
说明： 截获接收机采用时频分析进行跳频通信的参数估计程序(Intercepting the parameter estimation procedure of the receiver for time-frequency analysis for frequency hopping communication)
- 2019-04-20 14:19:54下载
- 积分：1
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communication
利用NIUSRP 和LABVIEW数字通信实验平台，进行信道估计和信道均衡，实践均衡器的原型设计和性能评测。(Use LABVIEW and NIUSRP digital communications test platform for channel estimation and channel equalization, practice equalizer prototyping and performance evaluation.)
- 2020-11-12 10:39:44下载
- 积分：1
