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Description: TIMS硬件实验报告，实现模拟信号SSB、AM、FM，以及数字信号ASK、PSK、FSK的调制与解调，包含完整的模块连接图-TIMS hardware test report, the realization of analog signal SSB, AM, FM, and digital signal ASK, PSK, FSK modulation and demodulation, the modules contain a complete map
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Size: 546816 |
Author: 王京 |
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Description: 关于模拟调制解调的源代码，am,ssb,dsb,pm,fm-Analog modem on the source code, am, ssb, dsb, pm, fm
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Size: 5120 |
Author: 杨林 |
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Description: 由NI开发，针对信号处理、信号与系统、通讯原理等课程量身订做的课程套件，其中包括了卷积、混叠、窗函数分析、栅栏效应、IIR、FIR、AM/FM调制、倒谱等等50多个从基础到高级的信号处理知识点的演示程序-labview signal processing
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Size: 13408256 |
Author: 李富勇 |
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Description: 两个模式识别算法实现，一个是线性区别函数另一个是混合高斯模型方法。本人的大作业，经验证可用。-Two pattern recognition algorithm, the difference between a linear function of the other is the Gaussian mixture model. I am a big operation, experience certificates available.
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Size: 252928 |
Author: 苏冠华 |
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Description: 本系统以51单片机及FPGA为控制核心，由正弦信号发生模块、功率放大模块、调幅（AM）、调频（FM）模块、数字键控（ASK，PSK）模块以及测试信号发生模块组成-The system of 51 single-chip and FPGA for the control of the core module by the sinusoidal signal, power amplifier module, AM (AM), frequency modulation (FM) module, digital keying (ASK, PSK) signal modules and test modules
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Size: 105472 |
Author: 123 |
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Description: am,fm,dsb,调制和解调程序以及它们的性能分析-am, fm, dsb, modulation and demodulation process, as well as their performance analysis
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Size: 5120 |
Author: xiefengbo |
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Description: 单工无线呼叫系统分发射和接收两大部分。发射部分采用锁相环式频率合成器技术， MC145152和MC12022芯片组成锁相环，将载波频率精确锁定在35MHz，输出载波的稳定度达到4×10-5，准确度达到3×10-5，由变容二极管V149和集成压控振荡器芯片MC1648实现对载波的调频调制；末级功放选用三极管2SC1970，使其工作在丙类放大状态，提高了放大器的效率，输出功率达到设计要求。接收部分以超大规模AM/FM立体声收音集成芯片CXA1238S为主体，灵敏度、镜像抑制、信噪比等各项性能指标均达到设计要求；音频功率放大器采用集成芯片LM386，电压放大倍数最大为200。采用PT2262/2272编码/解码电路实现了数据传输业务以及对台号的选择等功能；音频输入和数据输入可自动转换；AT89S52作为整个系统的控制部分，程序设计采用C语言在KEIL51的编译器上编程实现；显示采用128×64点阵型液晶显示。经测试，整机功能齐全，各项性能指标符合系统要求，接收波形稳定，无明显失真。-The simplex wireless-calling system consists of two parts: transmit part and receive part.The transmit part adopts the phase-locked loop pattern of frequency synthesizing technology and uses the MC145152 and MC12022 chips to compose the phase-locked loop.It locks the frequency of the carrier-wave at 35MHz.The stabilization of the carrier-wave can be 4×10-5,the accuracy can be 3×10-5.The frequency modulation and the confection of the carrier-wave are realized by the capacity-changing diode V149 and the integration voltage-control oscillator MC1648 chip.The end power amplifier uses the audion 2SC1970 to make it work in the third magnifying state,it improves the efficiency of the magnifier and the power of the output reaches the design demand.The receive part uses the super cosmically AM/FM dimensional sound stereo radio reception integration chip CXA1238S as the main part.The sensitivity、the mirror-control restrain、the SNR and every capability index all reach the design demand.The audio
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Size: 626688 |
Author: 周宇 |
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Description: 以前常有的调制识别程序大多是基于MATLAB的，本程序是基于C语言的实用程序，可以识别AM、FM、DSB、LSB、USB、CW、Noise等模拟调制信号的调制类型，是在实际工程中正在应用的实用程序！-Previous common modulation identification procedures are mostly based on MATLAB, and this program is based on the C language utility can identify the AM, FM, DSB, LSB, USB, CW, Noise and other analog modulation signal modulation type is the actual project utilities are being applied!
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Size: 5120 |
Author: haobenjian |
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Description: matlab编写的常见调制模式(am,fm,bpsk,qpsk,mask,16qam等)自动识别动态链接库，可以直接被vc调用，信噪比为>=10dB,-matlab write common modulation (am, fm, bpsk, qpsk, mask, 16qam, etc.) automatically identify dynamic link library, you can directly vc called signal to noise ratio> = 10dB,
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Size: 5073920 |
Author: xiejian |
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Description: Si4704 AM/FM收音机程序,一系列都在里面-Si4704 AM/FM
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Size: 21504 |
Author: wxj |
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Description: this is source code 4 matlab
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Size: 3072 |
Author: indra |
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Description: 用matlab7.0软件对通信信号进行调制simulink仿真,它包括am,pm,fm,ask,psk,fsk,qpsk等调制方式-matlab&simulink of am,pm,fm,ask,psk,fsk,qpsk
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Size: 151552 |
Author: nkjj |
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Description: fm=input( Enter the message signal frequency fm= )
fc=input( Enter the carrier frequency fc= )
Am=input( Enter the message signal amplitude Am= )
Ac=input( Enter the carrier signal frequency Ac= )
n=input( Enter the no of DFT points: )
tm=(1/fm)
tc=(1/fc)
nfc=40
t=0:(tc/nfc):4*tm
msg=Am*cos(2*pi*fm*t)
car=Ac*cos(2*pi*fc*t)
Modulation
dsb=msg.*car
AM=(dsb/Ac)+car
figure(1)
subplot(2,1,1)
plot(t,msg)
subplot(2,1,2)
plot(t,car)
figure(2)
subplot(2,1,1)
plot(t,dsb)
subplot(2,1,2)
plot(t,AM) -fm=input( Enter the message signal frequency fm= )
fc=input( Enter the carrier frequency fc= )
Am=input( Enter the message signal amplitude Am= )
Ac=input( Enter the carrier signal frequency Ac= )
n=input( Enter the no of DFT points: )
tm=(1/fm)
tc=(1/fc)
nfc=40
t=0:(tc/nfc):4*tm
msg=Am*cos(2*pi*fm*t)
car=Ac*cos(2*pi*fc*t)
Modulation
dsb=msg.*car
AM=(dsb/Ac)+car
figure(1)
subplot(2,1,1)
plot(t,msg)
subplot(2,1,2)
plot(t,car)
figure(2)
subplot(2,1,1)
plot(t,dsb)
subplot(2,1,2)
plot(t,AM)
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Size: 1024 |
Author: dasu |
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Description: 使用Verilog HDL语言实现的一个DDS，可以发生0-10Mhz正弦波、方波、三角波，频率步进可调，FM调制、AM调制，调制度可调。DA芯片为8位并行，160MHz-Using the Verilog HDL language implementation of a DDS, can occur 0-10Mhz sine, square, triangle wave, frequency step tunable, FM modulation, AM modulation, adjustable modulation. DA-chip 8-bit parallel, 160MHz
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Size: 1638400 |
Author: nostalgia |
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Description: 一般通信AM FM BPSK MSK信号的产生 与频谱仿真及通过滤波器仿真-General Communication AM FM BPSK MSK signal generation and spectrum simulation and emulation through the filter
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Size: 158720 |
Author: jule |
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Description: 用MATLAB实现调制技术，通信原理中常用的调制技术仿真AM,FM,FSK调制原理等matlab源码，-communication priciples common modulation techniques AM FM FSK modulation principles matlab source code
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Size: 114688 |
Author: lido |
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Description: 由MSP430做主控芯片，控制AD9852产生0~10MHz的正弦波，可AM，FM，BPSK，ASK调制，分类可调-MSP430 work as the master chip, control AD9852 produce 0 ~ 10MHz sine wave, can be AM, FM, BPSK, ASK modulation, classification adjustable
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Size: 75776 |
Author: 廖余立 |
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Description: Free Source Code for AM & FM modulation
Matlab实现的调幅调频(AM/FM)算法源代码-Free Source Code for AM & FM modulation
Matlab
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Size: 200704 |
Author: 666666 |
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Description: 调制解调matlab代码包括am,fm,fsk,gfsk,msk,gmsk.很完善的代码。am,fm，中还有语音测试。所有的程序都有代码解释，原理分析，性能对比分析等。希望对大家有用。-Matlab code modulation and demodulation include am, fm, fsk, gfsk, msk, gmsk. A very comprehensive code. am, fm, there are voice tests. All programs have the code interpretation, principle analysis, performance comparison analysis. Hope that useful.
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Size: 1529856 |
Author: fengmin |
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Description: Modulate with matlab & simulink
Digital signal (QPSK,ASK,FSK,QAM...)
Analog signal (AM,FM,PM)
MATLAB release MATLAB 7.8 (R2009a)
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Size: 520192 |
Author: Rafal |
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