17.06.2013 Views

FIFTH CANADIAN CONFERENCE ON NONDESTRUCTIVE ... - IAEA

FIFTH CANADIAN CONFERENCE ON NONDESTRUCTIVE ... - IAEA

FIFTH CANADIAN CONFERENCE ON NONDESTRUCTIVE ... - IAEA

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

- 338 -<br />

130ymx 163 y m<br />

12 22 31 42 52<br />

FREOUENCY\MHz)<br />

130 x 163 pm Void<br />

Figure 4: Representative of characterized voids:<br />

(a) optical character<br />

(b) ultrasonic signal<br />

(c) frequency spectrum obtained from spectrum analyzer<br />

(d) frequency spectrum from Fourier transform of digitized signal<br />

* .

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!