The orthogonal sampling demodulating technique for low frequency time-code signal is introduced. Based on the theoretical analysis about its principle and implement method, The simulation is tested.
作者提出低频时码信号的正交扫描解调技术，从理论上分析了正交扫描原理和实现方法，并进行了仿真测试；
This paper proposes an extended RLC(Run Length Code)data acquisition method. The detected signal has the feature of long time lasting and transienting characteristic waveforms.
针对被检测信号具有长时间域、瞬变特征波形的时域位置不确定等特点，提出一种扩展游程编码数据采集方法。
The traditional differential space-time block code (DSTBC) suffers from the signal constellation expansion for QPSK modulation.
传统的差分空时分组编码(DSTBC)在QPSK调制时存在着信号星座扩展。
Tow base-band IJF pulse signal have been researched: the time-limited double-code rise cosine pulse and the time-limited double-code triangle pulse.
研究了两种基带IJ F脉冲信号：双码元间隔升余弦脉冲以及双码元间隔三角脉冲，并对它们的性能参数作了比较。
A duress function lets residents open the door with a code and at the same time send a signal to the concierge that there's a problem.
胁迫功能可以让住户用密码打开门的同时发送一个信号给门房。
A duress function lets residents open the door with a code and at the same time send a signal to the concierge that there's a problem.
胁迫功能可以让住户用密码打开门的同时发送一个信号给门房。
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