...触式卡 标签 ASK调制与解调 阻抗调制 [gap=592]Keywords：RFID；contactless card；tag；ASK modulation and demodulation；impedance modulation ...
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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。
Having realized the modulation and demodulation algorithm of ASK, FSK, QPSK on the software radio platform, and has provided the modulation and demodulation flow chart and the main part procedure.
在软件无线电平台上研究并实现了ASK、FSK、QPSK等方式的调制解调算法，并给出了调制解调的流程图和主要部分的程序。
Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM).
实现信号的调制解调功能，包括各类调制如ask(调幅)，PSK(调相)，FSK(调频)。
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