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64QAM正交幅度调制的产生程序,可以-64QAM quadrature amplitude modulation generator
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无功补偿statcom装置及载波移幅调制主电路仿真示例-Statcom reactive power compensation device and carrier shift amplitude modulation of the main circuit simulation examples
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基于matlab正交振幅数字调制解调模块仿真程序-Digital orthogonal amplitude modulation demodulation module based on matlab simulation program
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Pulse Amplitude Modulation
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1 最好先调试出523 能够操作TypeA 卡,程序可能从522 移植。
2 读A 卡成功以后,在进行读B 卡之前要先确认下读卡天线的质量,包括调制幅度,调制系数。
调制幅度主要是跟C2 关系比较大,这个要耐心调节,一般情况下调节好后能有10V 左右的调制幅度
(单边),这个跟天线的大小等因素有关系。如果有网络分析仪那是最好不过的。
调制系数根据14443 协议一般是要10 左右(8 -14 ),这个要配合天线调试。相关的寄存器-A good idea to be able to
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16 进制的正交振幅调制是一种振幅相位联合键控信号。16QAM 的产生有 2 种方法:
(1)正交调幅法,它是有 2 路正交的四电平振幅键控信号叠加而成;
(2)复合相移法:它是用 2 路独立的四相位移相键控信号叠加而成。-Quadrature amplitude modulation is a hex key signal amplitude and phase combined. 16QAM produce two kinds of methods: (1) quadrature a
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此程序是对线性调频信号进行的仿真,并在此基础上进行解调,画出了解调后的幅度谱。很适合对线性调频信号进行理解和研究。-This program is a simulation of the linear FM signal, and demodulates this basis, draw about the amplitude modulation spectrum. It is suitable for linear FM signals understanding and research.
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this code performs amplitude modulation for a given signal using simulink model
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用AT89S51单片机制作红外电视遥控器
一般红外电视遥控器的输出都是用编码后串行数据对38~40kHz的方波进行脉冲幅度调制而产生的。
用AT89S51单片机制作红外电视遥控器
当发射器按键按下后,即有遥控码发出,所按的键不同遥控编码也不同。这种遥控码具有以下特征:
-AT89S51 microcontroller produced by infrared TV remote control TV remote control infrared output are
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基于msp430g2553单片机实现幅度调制信号发生暨电子音乐合成和播放-MCU-based msp430g2553 amplitude modulation signal generation and Electronic music synthesis and play
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Quadrature Amplitude modulation in wireless sensor environement
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程序是一个16进制正交幅度调制(16QAM)的硬判决器。-The program is a 16 ary quadrature amplitude modulation (16QAM) hard decision.
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信号调幅,对于输入的正弦信号进行模拟幅度调制、传输、解调-Signal amplitude, the input analog signal is a sinusoidal amplitude modulation, transmission, demodulates
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QAM是英文Quadrature Amplitude Modulation的缩略语简称,意为正交幅度调制,是一种数字调制方式。16QAM是指包含16种符号的QAM调制方式。使用matlab编写-QAM Quadrature Amplitude Modulation is the English acronym for short, meaning quadrature amplitude modulation, is a digital modulation. 16QAM is a symbol
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16 quadrature amplitude modulation for wireless systems , bit error rate analy-16 quadrature amplitude modulation for wireless systems , bit error rate analysisi
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Bit Error Rate simulation of 64- Quadrature Amplitude Modulation in Additive White Gaussian Noise channels in MATLAB.
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amplitude modulation
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Quadrature amplitude modulation (QAM) is both an analog and a digital modulation scheme. It conveys two analog message signals, or two digital bit streams, by changing (modulating) the amplitudes of two carrier waves, using the amplitude-shift keying
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Intermodulation or intermodulation distortion (IMD) is the amplitude modulation of signals containing two or more different frequencies in a system with nonlinearities. The intermodulation between each frequency component will form additional signals
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Generation of ASK:
Amplitude shift keying - ASK - in the context of digital communication is a modulation process which imparts to a sinusoid two or more discrete amplitude levels 1. These are related to the number of levels adopted by the digit
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