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A miniature vector sensor for line array applications
By: Shipps, J.C.; Deng, K.;
2003 / IEEE / 0-933957-30-0
This item was taken from the IEEE Conference ' A miniature vector sensor for line array applications ' Until recently it was not possible to design a miniature vector sensor for line array applications which met the Navy's size and performance requirements. A vector sensor constructed using conventional PZT ceramic would result in a sensor that was too large for the existing line array space requirements and would not simultaneously achieve the bandwidth and noise requirements. The advent of PMN-PT crystals now allows a vector sensor to be constructed which meets both the Navy's size and acoustic performance requirements. A vector sensor is discussed which utilized three PMN-PT crystal based axial accelerometers, a PZT omni-directional hydrophone, and a 4-channel amplifier. The excellent piezoelectric properties of the PMN-PT crystals allowed the vector sensor to be miniaturized and tests conducted on the vector sensor demonstrates that the sensor met the Navy's required sensitivity, and bandwidth.
Array Signal Processing
Sonar Signal Processing
Miniature Vector Sensor
Line Array Applications
Acoustic Performance Requirements
Pzt Omnidirectional Hydrophone
Sensor Phenomena And Characterization
Linear Particle Accelerator