| 摘要 |
An apparatus for testing the transmit and/or receive modes of operation of an elongate phased array of transducers (11) comprising: transducer means (3) which extends along the length of the array (11) when the array (11) is disposed for testing by the apparatus, in testing the transmit mode of operation the transducer means (3) receiving acoustic plane waves transmitted by the array (11), in testing the receive mode of operation the transducer means (3) transmitting acoustic plane waves to the array (11); and an acoustic coupling medium (5) which extends along the length of the array (11) between the array (11) and transducer means (3) to acoustically couple the array (11) and transducer means (3), in use the apparatus functioning as a waveguide to guide the acoustic plane waves between the array (22) and transducer means (3) through the coupling medium (5). |
