搜索资源列表
simpificationandreconstruction
- 初步学习采样和重建信号。包括源程序和报告书。-Preliminary study of sampling and reconstruction of the signal. Including the source and report.
IndoorlocationTrackingUsingRSSIReadingsfromasingle
- 通过单一的Wi-Fi接入点的信号强度来判断移动物体的位置。比较新的一篇文章。用了蒙特卡罗抽样的办法-Monte Carlo Sampling Method-来估计位置。-This paper describes research towards a system for locating wireless nodes in a home environment requiring merely a single access point. The only sensor reading
dsp
- 数字信号处理中对模拟信号的采样频谱分析,及时域、频域重构分析,包括信号及频谱,采样信号及其频谱,时域重构,通过低通滤波器进行频谱重构等代码-Digital signal processing of the analog signal sampling spectral analysis, time-domain, frequency-domain reconstruction analysis, including signal and spectrum, the sampling signal
multisamplerate
- 改变原始wav音频信号的抽样频率,并且显示处理前后声音信号的频谱.有助于帮助大家理解奈圭斯特抽样定理。-Change the original wav audio signal sampling frequency, and shows the spectrum of sound signal before and after treatment. Helps to help you understand the Nyquist sampling theorem.
baseband_detection_simulink
- In this simulink model , baseband binary detection is simulated .A rectangular pulse shaped signal is given as input to the detector.The received signal is matched filtered and down-sampled .The effects of symbol timing offset can be seen by varying
pam_detection_simulink
- In this simulink model , baseband 8-ary PAM detection is simulated .A half-sine pulse shaped PAM signal is given as input to the detector.The received signal is matched filtered and down-sampled .The effects of symbol timing offset can be seen by
diankaoxiang.c
- 电烤箱作为一种重要的生产工具广泛的应用于工业生产和食品加工等领域。电烤箱的温度是生产工艺的一项重要指标,对温度的控制性能在很大程度上决定了产品的质量和生产效率。 系统以P89V51RD2单片机为核心,实现了温度采集、PID控制、人机对话以及定时等功能。由于干扰和实际噪声的存在,在采样过程当中会出现采样信号与实际信号存在偏差的现象,为了减小这方面原因造成的测量误差,系统采用了16次采样取平均值的方式对采样值进行平滑滤波,再对滤波值查表就得到了实际的温度值。在控制方面采用PID控制,温度控制具有
PWM
- PWM原理 2、调制器设计思想 3、具体实现设计 一、 PWM(脉冲宽度调制Pulse Width Modulation)原理: 脉冲宽度调制波通常由一列占空比不同的矩形脉冲构成,其占空比与信号的瞬时采样值成比例。图1所示为脉冲宽度调制系统的原理框图和波形图。该系统有一个比较器和一个周期为Ts的锯齿波发生器组成。语音信号如果大于锯齿波信号,比较器输出正常数A,否则输出0。因此,从图1中可以看出,比较器输出一列下降沿调制的脉冲宽度调制波。 -PWM principle 2
Multirate
- Multirate滤波器设计。模拟带通信号频率范围1KHz—1.1KHz,设计一个采样频率8KHz数字频谱分析系统,要求频率分辨率0.1Hz。-Multirate filter design. Analog bandpass signal frequency range 1KHz-1.1KHz, design a sampling frequency of 8KHz digital spectrum analysis system, required frequency resolution o
I2C-LM75A
- 利用LM3S微控制器的I2C接口传输LM75A的温度采样信号-Microcontroller using LM3S LM75A I2C interface, the temperature sampling signal transmission
zr
- 1. 用双线性变换法设计一个巴特沃斯低通IIR数字滤波器。设计指标参数为:在通带内频率低于0.2π时,最大衰减小于1dB;在阻带内[0.3π, π]频率区间上,最小衰减大于15dB. 2.0.02π为采样间隔,打印出数字滤波器在频率区间[0, π/2]上的频率响应特性曲线。 3. 用所设计的滤波器对实际心电图信号采样序列进行仿真滤波处理,观察总结滤波作用与效果 附:心电图采样序列x(n) 人体心电图信号在测量过程中往往受到工业高频干扰,所以必须经过低通滤波处理后,才能作为判断心脏
CIC
- 3级CIC抽取,内插滤波,r为抽取因子,n为原始信号的采样点数,x为原始信号序列 y为抽取滤波后的输出序列-3 CIC decimation, interpolation filter, r for the extraction factor, n the sampling points for the original signal, x is the original signal sequence y to extract the filtered output sequence
pro_2
- 用局部参数最优化方法设计一个模型参考自适应系统,可调增益的初值Kc(0)=0.2,给定值r(t)为单位阶跃信号,即r(t)=A×1(t)。 要求: 1把连续系统离散化(采样时间可取0.1)。 2编制并运行这个系统的计算机程序(注意调整B值,使系统获得较好的自适应特性)。 3记录ym、yp的曲线 记录kp×kc的曲线 记录广义输出误差e的变化曲线。 4在参数收敛后,让Kp=2变为Kp=1,重新观察Kp×Kc及e的变化曲线。 5找出在确定的B值下,使系统不稳定的A值(阶跃信号
limited-update-rate-of-the-non-band-limited-signal
- 基于有限更新率的非带限信号采样与重建算法Based on the limited update rate of the non-band-limited signal sampling and reconstruction algorithm-Based on the limited update rate of the non-band-limited signal sampling and reconstruction algorithm
Principles_of_Communication_Systems_Simulation_wit
- 《通信系统仿真原理与无线应用》系统地介绍通信系统的设计、分析和仿真方法,还提供了大量极具参考价值的仿真实例。《通信系统仿真原理与无线应用》的全部仿真程序都是采用MATLAB编写的。这不仅方便读者理解仿真的实现过程,还允许读者修改或使用这些代码段来进行自己的仿真开发。章后提供了大量的参考文献和经过精心设计的各类练习题,方便教学。 此为英文原版书籍-Principles of Communication Systems Simulation with Wireless Applications
CC1100-RECIEVE
- CC1100射频通讯程序,下位机先收到命令,将采样信号发送至上危机-CC1100 radio communications procedures, the next crew received the first order, will send the first crisis of sampling signal
GPS_1.0
- LPC2148通过串口接收GPS信号以及AD采样信号-LPC2148 to receive GPS signals through the serial port and the sampling signal AD
tongxinfangzhen2
- 对给定语音信号进行抽样、量化和13折线PCM编码,经过传输后,接收端进行PCM译码,对此过程进行matlab仿真分析。-Given speech signal sampling, quantization and PCM 13 line coding, after transmission, the receiver for PCM decoding, matlab simulation of this process
SamplingSingal
- This source code is for the Sampling Signal
signal-sampling-MATLAB
- 基于MATLAB的信号采样与重构的实现,该文档是基于理论算法的研究,同时给出了较为详细的说明。-Realization of signal sampling and reconstruction based on MATLAB