搜索资源列表
-
0下载:
WLAN仿真-发送机
wlan No Comments
设置完系统参数后,开始产生发送数据。
1. 产生随机的发送bit(tx_bits),这里不考虑信道编码。
2. QAM映射
3. 将数据映射到不同载波,形成OFDM符号
4. 产生pilot,并将pilot插入OFDM符号中
5. 加入dc和guard子载波
6. 进行ifft,将频域信号变到时域,并加入循环前缀
7. 对信号进行overlap window
8. 在时域产生short preamb
-
-
1下载:
数字信号处理实验详解及MATLAB实现源代码
实验一: 系统响应及系统稳定性
实验二: 时域采样与频域采样
实验三: 用FFT对信号作频谱分析
实验四:IIR数字滤波器设计及软件实现 实验五: FIR数字滤波器设计与软件实现
实验六: 数字信号处理在双音多频拨号系统中的应用-Detailed experimental digital signal processing and MATLAB source code to achieve the experimental on
-
-
0下载:
8 通道双正交余弦调制滤波器组实现,滤波器的采样频率为 Fs:20000Hz 设计的低通原型的通带频率为625Hz 阻带衰减80db,滤波器的系数长度为512-8-channel biorthogonal cosine-modulated filter banks to achieve, filter sampling frequency Fs: 20000Hz designed a prototype low-pass frequency of 625Hz passband stopband
-
-
0下载:
This digital oscilloscope takes a MCU and FPGA as the core. We made emphases on the choice of the sampling methods and the implement of equivalent sampling as a result, our design not only has the real-time sampling mode but also can reach the highes
-
-
1下载:
设雷达信号是码宽为0.5微妙,中心频率是10MHz的7为巴克码2PSK信号,接收的雷达回波中频采样频率为40MHz,中频进行正交下变频。假设在13.5km处有一个点目标,仿真该雷达的脉冲压缩处理。-Code-based radar signal is a delicate relief of 0.5, the center frequency is 10MHz for the 7 Barker Code 2PSK signal, the radar echo received IF sampli
-
-
0下载:
本篇文章主要阐述了数字滤波器设计中采样频率的作用和影响-This article focused on the design of digital filter sampling frequency in the role and impact of
-
-
0下载:
The whole decoding process has been implemented natively on MATLAB. I need help in streamlining it so that it can run real-time. top level module is decoder.m. It takes in as input parameter the file name or file path and returns the decoded data & s
-
-
0下载:
实现一个25阶的低通滤波器,采用汉明窗口,截止频率为1000Hz,采样频率为8000Hz。-Implement a 25th order low-pass filter and Hamming window and cutoff frequency of 1000Hz, a sampling frequency of 8000Hz.
-
-
3下载:
一个带通信号的中心频率为15MHz,带宽为750Hz(载波每侧各375Hz)。
(1)利用带通采样定理,确定能够无误差地恢复被采样带通信号的最小采样频率;
(2)如果使用(1)中的采样频率,试画出采样信号的频谱;
(3)从(1)中的采样频率开始,考虑增加采样频率的影响,试问增加多少采样频率可以没有混叠误差?
-The center of a bandpass frequency of 15MHz, the bandwidth is 750Hz (carrier on each s
-
-
0下载:
产生正弦波VI的前面板和程序框图 信号幅度 初始相位 采样频率 采样点数等参数由前面板上的输入空间设置-Produce sine wave VI the front panel of and program diagram initial phase signal amplitude parameters such as sampling frequency points sampled by former panel input space Settings
-
-
0下载:
matlab test code for sampling frequency
-
-
1下载:
输入信号: cm.txt 含有胎儿和母亲的心电信息的混合心
电信号.
mother1024.txt 母亲的心电信号
参数: 抽样频率:200Hz
数据长度:1024
要求: 用自适应滤波的LMS算法抵消掉混合心电信号中
母亲的心电信号。
注意u和N的选取,在报告中说明u和N的选取对滤
波结果的影响。
自适应滤波By莫小凯-Input signal: cm.txt containing the fetus and the mother o
-
-
0下载:
FPGA 示波器,使用 digilent 的 nexys2 板子。可以在 VGA 显示器上显示波形及字符。AD 为 60M 采样频率 8bit 的 ADS830E 。-The FPGA Oscilloscope, use digilent, the nexys2 board. Waveform can be displayed on a VGA monitor and character. The AD for 60M sampling frequency 8bit ADS830E.
-
-
0下载:
perform real-time signal input and output using C6713 DSK,the effects of sampling frequency in signal sampling and reconstruction
-
-
0下载:
自己寫的音樂壓縮~對於WAV的壓縮,基本上對震幅和取樣頻率下手-Write their own music compression to basically start on the amplitude and the sampling frequency for compressed WAV
-
-
0下载:
此程序为采样频率同步,专门用于OFDM接收部分,用于定时同步-This procedure for the sampling frequency synchronization, specifically for the OFDM receiving section is used for timing synchronization
-
-
0下载:
给定模拟信号和抽样频率,求出相应的序列和该信号的幅频特性-Given analog signal and the sampling frequency, to obtain the corresponding sequence and the signal amplitude-frequency characteristic
-
-
0下载:
4. 产生一个淹没在噪声中的信号,分析确定采样频率及数据分析长度,计算并绘出信号的频谱,指出50Hz和120Hz的正弦分量以及噪声分量-(4) generating a signal buried in noise, analysis to determine the sampling frequency and the length of the data analysis, calculate and plot the signal spectrum, noting that the sin
-
-
0下载:
频率混叠和抽样试验 用于说明频率混叠与抽样之间的关系-Frequency aliasing and sampling test
-
-
0下载:
给出原始信号,用不同采样频率对信号进行采样,得出波形图-Given the original signal, with a different sampling frequency signal is sampled waveform obtained
-