The sea level and current velocity have an effect on wave height, and the wave directionmodulation is small.
潮汐、风暴潮对波浪的作用是通过其产生的不定常水深与流场实现的；水深与流速对波向的影响很小。
2
This article mainly offers a method to achieve high-accuracy and anti-interference remote measuring circuit in which the principle of pulse-directionmodulation is used.
本文主要提出了利用调节脉冲宽度的原理来实现高精度、抗干扰遥测电路的一种方法。
3
In the transmit direction, the transceiver provides RF signals to the power amplifier, which amplifies the signals based on gain and ramp information for a given modulation type.