传输数据波形稳定，符合ISO 7816 - 3传输标准，对设计3g通信终端和高速发卡设备有借鉴意义。
Its wave output is steady and in accordance with ISO7816-3. This scheme is a useful reference for designs of 3g terminal and high-speed ICC product line devices.
在设计过程中，对提高频率稳定性、电压稳定性、温度性能和改善波形，采取了一些措施。
Some measures have been carried out in improving its frequency stability, voltage stability, temperature performance and waveform in designing procedure.
经过限带滤波后的QDPS K信号的码元波形可分为稳定区与过渡区，根据这一特点可以利用DFT方法来实现信号的解调和位同步。
After a bandpass filter, QDPSK signal's symbol can be divided into steady section and transition section, so the demodulation and synchronization for the signal can be realized with DFT.
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