high wave echo 中文意思是什麼
high wave echo
解釋
高波-
High frequency ground wave radar for near ocean inspection and ocean remote sensor is a method that use ocean echo wave dopier spectrum to deduce the parameters of ocean situation
高頻地波雷達近海監測和海態遙感技術是一種利用海洋回波多普勒譜反演海態參數的方法。 -
According to the principle of ultrasound detection, this thesis describes a high - speed sampling system for ultrasound emergent wave and echo wave
摘要根據定量超聲波檢測原理,闡述了一種針對超聲波發射信號和回波信號的高速採集系統。 -
The echo of single hole was high, its front was steep edge ; the echo of dense hole was connected and uneven ; the echo of crack was high and keen - edged, the bottom echo was decline in some certain ; the echo root of bird ' s net had some small wave followed
單個孔洞反射回波高,前沿較尖銳;密集氣孔回波參差不齊,根部互相連接;裂紋回波高而尖銳,底波有所下降; 「鳥巢」缺陷的反射波根部有若干小波峰出現。
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