Amplitude
共 43 篇文章
Amplitude 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 43 篇文章，持续更新中。
This MATLAB code simulates the effects of amplitude variation between modulators for the wireless L
This MATLAB code simulates the effects of amplitude variation between
modulators for the wireless LO.该程序分析由于本振信号幅度动态变化对调制器的影响。
16qam
16qam
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Using LabVIEW 8.5 Language to control Tektronix AWG3102. This program can select output waveform, fr
Using LabVIEW 8.5 Language to control Tektronix AWG3102. This program can select output waveform, frequency and amplitude.
This m file analyzes a coherent binary phase shift keyed(BPSK) and a amplitude shift keyed(ASK) comm
This m file analyzes a coherent binary phase shift keyed(BPSK) and a amplitude shift keyed(ASK) communication system. The receiver uses a correlator(mixer-integrator[LPF]) configuration with BER measu
The same two-stage decoder as above. However, when transforming the symbols prior to Viterbi decodin
The same two-stage decoder as above. However, when transforming the symbols prior to Viterbi decoding, the amplitude information is ignored and only the phase of the received symbol is employed in the
The EM algorithm is short for Expectation-Maximization algorithm. It is based on an iterative optimi
The EM algorithm is short for Expectation-Maximization algorithm. It is based on an iterative optimization of the centers and widths of the kernels. The aim is to optimize the likelihood that the give
ML Estimation of frequency, phase, and amplitude of a sinusoid from discrete time samples MLEsim.m
ML Estimation of frequency, phase, and amplitude of a sinusoid from discrete time samples
MLEsim.m
Using LabVIEW to control Tektronix AWG2021 via GPIB. This program can select output waveform, freque
Using LabVIEW to control Tektronix AWG2021 via GPIB. This program can select output waveform, frequency and amplitude.
计算全息close all clc clear A=zeros(64) A(15:20,20:40)=1 A(15:50,20:25)=1 A(45:50,20:40)=1 A(30:34,
计算全息close all clc clear
A=zeros(64)
A(15:20,20:40)=1 A(15:50,20:25)=1
A(45:50,20:40)=1 A(30:34,20:35)=1
％ ppp=exp(rand(64)*pi*2*i) A=A.*ppp
％ Author s email: zjliu2001@163.com
figure imshow(
We address the problem of blind carrier frequency-offset (CFO) estimation in quadrature amplitude mo
We address the problem of blind carrier frequency-offset (CFO) estimation in quadrature amplitude modulation,
phase-shift keying, and pulse amplitude modulation
communications systems.We study the p
基于Multisim 10的矩形波信号发生器仿真与实现
在Multisim 10软件环境下，设计一种由运算放大器构成的精确可控矩形波信号发生器，结合系统电路原理图重点阐述了各参数指标的实现与测试方法。通过改变RC电路的电容充、放电路径和时间常数实现了占空比和频率的调节，通过多路开关投入不同数值的电容实现了频段的调节，通过电压取样和同相放大电路实现了输出电压幅值的调节并提高了电路的带负载能力，可作为频率和幅值可调的方波信号发生器。Multisim 10仿
In this letter, the error performance of an ultra-wideband (UWB) system with a hybrid pulse amplitud
In this letter, the error performance of an ultra-wideband (UWB) system with a hybrid pulse amplitude and position modulation (PAPM) scheme over indoor lognormal fading channels is analyzed. In the PA
The following is a list of MATLAB codes which includes the radar absorbing material design, the ant
The following is a list of MATLAB codes which includes the radar
absorbing material design, the antenna pattern, the observation points generation, and the amplitude
error and phase error calculatio
Code for the Quadrature Amplitude modulation
Code for the Quadrature Amplitude modulation
Routine mampres: To obtain amplitude response from h(exp(jw)). input parameters: h :n dimensione
Routine mampres: To obtain amplitude response from h(exp(jw)).
input parameters:
h :n dimensioned complex array. the frequency response is stored
in h(0) to h(n-1).
n :the dimension of h and a
幅度调制
幅度调制，It is a diffrent matlab code for amplitude modulation.
zemax源码： This DLL models a standard ZEMAX surface type, either plane, sphere, or conic The surfac
zemax源码：
This DLL models a standard ZEMAX surface type, either plane, sphere, or conic
The surface also demonstrates a user-defined apodization filter
The filter is defined as part of the real ra
Carrier-phase synchronization can be approached in a general manner by estimating the multiplicativ
Carrier-phase synchronization can be approached in a
general manner by estimating the multiplicative distortion (MD) to which
a baseband received signal in an RF or coherent optical transmission
sy
基于单片机和FPGA的多功能计数器的设计
以89S52单片机和EP1C6Q240C8型FPGA为控制核心的多功能计数器，是由峰值检波、A/D转换、程控放大、比较整形、移相网络部分组成,可实现测量正弦信号的频率、周期和相位差的功能。多功能计数器采用等精度的测量方法，可实现频率为1Hz～10MHz、幅度为0.01～5Vrms的正弦信号的精确测频，以及频率为10Hz～100kHz、幅度为0.5～5Vrms的正弦信号精确测相。液晶显示器能够实时显
2012TI电子设计大赛——微弱信号检测装置
微弱信号检测装置<br />
四川理工学院 刘鹏飞、梁天德、曾学明<br />
摘要：<br />
本设计以TI的Launch Pad为核心板，采用锁相放大技术设计并制作了一套微弱信号检测装置，用以检测在强噪声背景下已知频率微弱正弦波信号的幅度值，并在液晶屏上数字显示出所测信号相应的幅度值。实验结果显示其抗干扰能力强，测量精度高。<br />
关键词：强噪声；微弱信号；锁相放大