For the influence of fading and ISI on low Rice factor channel, the system adopting diversity technology is presented, and the schematic diagram of the modem adopting diversity technology is given.
针对低莱斯因子信道中衰落和码间干扰的影响，提出了带内三重频率分集接收实现方式，给出了采用带内三重频率分集的调制器和解调器的原理框图。
The diagram of chemical potential shows that the total concentration of cupric ions is main influence factor on chloride precipitation.
化学位图分析表明，铜离子总浓度是影响氯脱除率的主要因素。
The paper definites input signal and feedback signal etc. conception using block diagram. Analyses decisive factor and direct effect of extreme nature for feedback.
文章用方框图明确了输入信号、反馈信号等概念，分析了反馈极性的决定因素和直接效果，改进了传统的“瞬时极性法”。
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