1. 1 ME 660 Intermediate Acoustics Instructor:Dr. Joseph Vignola Office:Pangborn G43 Phone:202-319-6132, e-mail: vignola@cua.edu Time (section 1):Tuesdays, 6:35-9:00PM Time (section 2):Thursdays, 1:35-4:00PM Office Hours: Tuesdays 1:00 -2:00 (or anytime I’m in my office or the lab most of normal business hours) Web pages: http://josephfv.googlepages.com/ http://josephfv.googlepages.com/ http://faculty.cua.edu/vignola/

2. 2 Line Array Directivity The directivity for the endfired array is given by

3. 3 Line Array Directivity The directivity for the endfired array is given by

4. 4 Line Array Directivity The directivity for the endfired array is given by

5. 5 Line Array Directivity The directivity for the endfired array is given by

6. 6 Line Array Directivity The directivity for the endfired array is given by

7. 7 Line Array Directivity The directivity for the endfired array is given by

8. 8 Line Array Directivity The directivity for the endfired array is given by

9. 9 Line Array Directivity The directivity for the endfired array is given by

10. 10 Line Array Directivity The directivity for the endfired array is given by

11. 11 Line Array Directivity The directivity for the endfired array is given by

12. 12 Line Array Directivity The directivity for the endfired array is given by

13. 13 Line Array Directivity The directivity for the endfired array is given by

14. 14 Line Array Directivity The directivity for the endfired array is given by

15. 15 Line Array Directivity The directivity for the endfired array is given by

16. 16 Line Array Directivity The directivity for the endfired array is given by

17. 17 Line Array Directivity The directivity for the endfired array is given by

18. 18 Line Array Directivity The directivity for the endfired array is given by

19. 19 Line Array Directivity The directivity for the endfired array is given by

20. 20 Line Array Directivity The directivity for the endfired array is given by

21. 21 Line Array Directivity The directivity for the endfired array is given by

22. 22 Line Array Directivity The directivity for the endfired array is given by

23. 23 Line Array Directivity The directivity for the endfired array is given by

24. 24 Line Array Directivity The directivity for the endfired array is given by

25. 25 Line Array Directivity The directivity for the endfired array is given by

26. 26 Line Array Directivity The directivity for the endfired array is given by

27. 27 Line Array Directivity The directivity for the endfired array is given by

28. 28 Line Array Directivity The directivity for the endfired array is given by

29. 29 Line Array Directivity The directivity for the endfired array is given by

30. 30 Line Array Directivity The directivity for the endfired array is given by

31. 31 Line Array Directivity The directivity for the endfired array is given by

32. 32 Line Array Directivity The directivity for the endfired array is given by Here And the second major lobe is evident

33. 33 Line Array Directivity The directivity for the endfired array is given by Here

34. 34 Line Array Directivity The directivity for the endfired array is given by Now we see additional major lobes

35. 35 Line Array Directivity The directivity for the endfired array is given by

36. 36 Line Array Directivity The directivity for the endfired array is given by

37. 37 Line Array Directivity The directivity for the endfired array is given by

38. 38 Line Array Directivity The directivity for the endfired array is given by

39. 39 Line Array Directivity The directivity for the endfired array is given by

40. 40 Line Array Directivity The directivity for the endfired array is given by

41. 41 Line Array Directivity The directivity for the endfired array is given by

42. 42 Line Array Directivity The directivity for the endfired array is given by

43. 43 Line Array Directivity The directivity for the endfired array is given by

44. 44 Line Array Directivity The directivity for the endfired array is given by

45. 45 Line Array Directivity The directivity for the endfired array is given by

46. 46 Line Array Directivity The directivity for the endfired array is given by

47. 47 Line Array Directivity The directivity for the endfired array is given by

48. 48 Line Array Directivity The directivity for the endfired array is given by

49. 49 Line Array Directivity The directivity for the endfired array is given by

50. 50 Line Array Directivity