The principles of phased array are expressed firstly in china and time delay transmission theory of phased array is also present . this theory make it possible to transmit broadband signals and the phased array improved by this theory can be used in acoustic doppler current profiler 闡述了我國首次自行研制的相控陣的原理并提出了相控陣的時延發(fā)射原理,使得相控陣可以發(fā)射寬帶信號,從而能夠在多普勒流速剖面儀中使用相控陣。
百科解釋
An Acoustic Doppler Current Profiler (ADCP or ADP) is a hydroacoustic current meter similar to a sonar, attempting to measure water current velocities over a depth range using the Doppler effect of sound waves scattered back from particles within the water column. The term ADCP is used synonymously for all kind of acoustic current meters although the abbreviation originates from the name of an instrument series by Teledyne.