The tuning mechanism of two-segment DFB lasers is explained in terms of the fundamental phase and amplitude reflection properties of the waveguide gratings.
两节DF B激光器的调谐机理可根据波导光栅反射特性的基本相位和幅度来解释。
The offset panel allows correlation of a high amplitude reflection on a near trace with delayed refraction breaks on distant traces thus identifying the hazards.
由 炮检距汇集 图可将近道上的反射高振幅和远道上的折射延迟联系起来，从而确定危险区。
Reflection signals and high velocity noise change in amplitude and waveform with increasing offset between source and receiver.
反射信号和高速干扰的振幅和波形随着炮检距的增大而变化。
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