This thesis studied the modulation and demodulation technology of CDMA by comparing several technologies.

本文主要研究了CDMA技术中调制解调方法的选取与比较。

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The error correcting and decoding, interleave and and DMT modulation and demodulation are analyzed in detail.

分析了信道编译码方法、 交织与解交织及DMT调制与解调等关键技术。

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Finally, the antenna, ASK modulation, power supply of the tag, load impedance modulation, demodulation, power supply sensor and HF power amplifier were realized.

本文实现了天线、ASK调制、应答器的电源、负载调制、解调、电源传感器和高频功放模块。

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