wave direction meter 中文意思是什麼
wave direction meter
解釋
波向表-
The variation of db magnitude attenuation and phase delay of reflection is uniformly proportional to distance along the line toward the direction of reflection, where the phase delay is 360 degree per wave length, the db attenuation per meter is twice the one way db attenuation per meter of forward or backward wave
沿傳輸線之反射,即反向傳播與正向傳播電壓沿傳輸線之相量比,其相位落後及分貝衰減沿反射方向之變化則正比于線長,相位落後為每半波長三百六十度,每米之分貝衰減為正向波或反向波單程每米之分貝衰減之兩倍。 -
Strain gauge typy wave direction meter
應變計式波向儀
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