其主要特点是通过特殊电路提高信号的幅度和占空比，同时抑制日光干扰。
It is chiefly characterized by increasing the amplitude and the duty cycle of the signal, and reducing the interference of the daylight with a special circuit.
其主要特点是通过特殊电路提高信号的幅度和占空比，同时抑制日光干扰。
It is chiefly characterized by increasing the amplitude and the duty cycle of the signal, and reducing the interference of the daylight with a special circuit.
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