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40kHz Cylinderical Communication Transducer for Underwater Sonar

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40kHz Cylinderical Communication Transducer for Underwater Sonar




Measurement Contents:


Conductivity and Susceptance Parameters:

Measuring the conductivity and susceptance parameters of the transducer.


Transmitting Voltage Response:

Measuring the transmitting voltage response of the transducer within the 30kHz–50kHz frequency band; the response should be no less than 140dB at 40kHz.


 Vertical Directivity: The vertical directivity angle at 40kHz is (46.6±5)°.


Hydrostatic Pressure: 1MPa.


Measurement Data

Conductivity and Susceptance Parameters

4ad50c92-05f5-4435-a9be-37524e14f3ba



34cbc3f1-cd43-4e99-9615-3f494f10d944




202601#

202602#

f/kHz

G/ms

B/ms

f/kHz

G/ms

B/ms

30

0.44

2.20

30

0.50

2.26

32

0.62

2.35

32

0.71

2.41

34

0.84

2.47

34

0.92

2.49

36

1.10

2.47

36

1.17

2.52

38

1.30

2.38

38

1.37

2.46

40

1.41

2.28

40

1.48

2.40

42

1.40

2.14

42

1.57

2.39

44

1.31

2.20

44

1.73

2.42

46

1.38

2.42

46

2.01

2.38

48

1.76

2.54

48

2.36

2.08

50

2.21

2.31

50

2.46

1.51

Transmitting voltage response(dB)

f/kHz

202601#

202602#

30

143.3

143.8

32

145.7

145.8

34

147.3

146.6

36

148.9

148.5

38

149.2

149.0

40

150.3

150.0

42

151.0

150.2

44

150.5

149.7

46

150.2

148.5

48

150.9

149.0

50

151.3

149.5


Vertical Direction


2da31f10-0d44-4e58-b380-5b0e62b713cf


7baff1c5-3368-4385-bf91-128447076ab0



Hydrostatic Pressure Test


After hydrostatic pressure tests of 3MPa/0.5h, 0MPa/0.25h, and 3MPa/0.5h, the insulation resistance between the positive and negative electrodes of both transducers was greater than 200MΩ.


Measurement Results: Both transducers met the technical specifications.



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communication transducer cylinderical communication transducer 40kHz communication transducer 40kHz cylinderical communication transducer transducer for underwater sonar transducer for underwater sonar array 40khz transducer for sonar array underwater acoustic transducer receiving transmitting acoustic transducer

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