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本文利用核心芯片TDA5051A，采用ASK（幅度键控）调制技术，建立电力线通信系统，实现数字信号在电力线上进行传输。
关键词:电力线通信 TDA5051A 调制解调器
-In this paper, the core chip TDA5051A, using ASK (amplitude shift keying) modulation technology, the establishment of power line communication systems, digital
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the is the amplitude modulation in matlab
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Modulation analogique en amplitude et en fréquence
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齿轮发生裂纹故障时其振动信号会产生调制现象,包括幅值调制和频率(相位)调制两部分。目前调幅信号的解调分析已经比较成熟,但对于调频信号的解调方法研究还不够完善。全面系统介绍了近年来处理调频信号
中最常用的希尔伯特相位解调和循环平稳解调两种方法-Gear crack fault occurs when the vibration signal will produce modulation phenomenon, including the two parts of the modulation
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qpsk MAtlab show the using of qadrature amplitude modulation as modulation code and you can shose the psk length
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一种线性自动补偿的定频调幅式电涡流位移传感器,专利文献，请参考-A linear automatic compensation of the fixed-frequency eddy current displacement sensor amplitude modulation, patent literature, see
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数字调制就是把数字基带信号的频谱搬移到高频处，形成适合在信道中传输的带通信号。基本的数字调制方式有振幅键控（ASK）、频移键控（FSK）、绝对相移键控（PSK）、相对（差分）相移键控（DPSK）。在接收端可以采用想干解调或非相干解调还原数字基带信号。
-Digital modulation is the spectrum shifting to high frequency digital baseband signals, suitable for the formation of ban
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Quadrature Amplitude modulation in wireless sensor environement
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frequency division multiplexing (OFDM) is used extensively in broadband wired and wireless communication systems because it is an effective solution to intersymbol interference (ISI) caused by a dispersive channel. This becomes increasingly important
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