Automatic identification system (AIS) baseband signal communication equipment
A technology of baseband signal and communication equipment, which is applied in the field of AIS baseband signal communication equipment, can solve the problems of high power consumption, complex modulation process, and inability to effectively prolong the use time of AIS baseband signal communication equipment, so as to reduce equipment power consumption and extend equipment The effect of using time
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[0032] Such as image 3 The shown embodiment of the AIS baseband signal communication device of the present invention includes a controller and a transmitter; the controller has a DAC function, and the main frequency requirement is only 8MHz, and the controller includes:
[0033] A processing module for converting messages into binary data,
[0034] A storage module for storing binary data and its corresponding AIS baseband signal waveform,
[0035] According to the binary data converted into by the processing module and the corresponding relationship between the binary data and the waveform in the storage module, extract the corresponding AIS baseband signal waveform in the storage module and generate a generation module for the AIS baseband signal;
[0036] The AIS baseband signal generated by the generating module is sent out through the transmitter.
[0037] AIS stipulates that in the data output stream, in order to prevent the occurrence of 6 consecutive "1", it is stip...
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