References
- De Belie, N., K. Tu, P. Jancsok and J. De Baerdemaeker. 1999. Preliminary study on the influence of turgor pressure on body reflectance of red laser light as a ripeness indicator for apple. Postharvest Biology and Technology 16:279-284. https://doi.org/10.1016/S0925-5214(99)00025-3
- Hertog, M. L., R. Ben-Arie, E. Roth and B. M. Nicolai. 2004. Humidity and temperature effects on invasive and non-invasive firmness measures. Postharvest Biology and Technology 33: 79-91. https://doi.org/10.1016/j.postharvbio.2004.01.005
- Huang, R. J., L. W. Schmerr and A. Sedov. 2005. Research in Nondestructive Evaluation 16(4):143-174. https://doi.org/10.1080/09349840500306055
- ISO. 1999. 12715: Ultrasonic Non-destructive Testing - Reference Blocks and Test Procedures for the Characterization of Contact Search Unit Beam Profiles. ISO, Genera, Switzerland.
- Kim, K. B., M. S. Kim, H. M. Chung and S. D. Lee. 2003. Mechanical properties and ultrasonic parameters of the apple flesh while in storage. Journal of Korea Society for Agricultural Machinery 28(3):239-244. (In Korea) https://doi.org/10.5307/JBE.2003.28.3.239
- Kim, K. B., S. Lee and M. S. Kim. 2007. Development of ultrasonic transducer for nondestructive evaluation of whole fruit. Journal of Biosystems Engineering 32(4):269-275. (In Korea) https://doi.org/10.5307/JBE.2007.32.4.269
- Kim, K. B., S. Lee, M. S. Kim and B. K. Cho. 2009. Determination of apple firmness by nondestructive ultrasonic measurement. Postharvest Biology and Technology 52:44-48. https://doi.org/10.1016/j.postharvbio.2008.04.006
- Kino, G. S. 1987. Acoustic Waves-Devices, Imaging & Analog Signal Processing. Prentice-Hall, Englewood Cliffs, New Jersey, USA.
- Kinsler, L. E., A. R. Frey, A. B. Coppens and J. V. Sanders. 2000. Fundamentals of Acoustics. New York, Wiley, USA.
- Liljedahl, L. A. and J. A. Abbott. 1994. Changes in sonic resonance of ‘Delicious’ and ‘Golden Delicious’ apples undergoing accelerated ripening. Transactions of the American Society of Agricultural Engineers 37(3):907-912. https://doi.org/10.13031/2013.28158
- Mizrach, A., U. Flitsanov and Y. Fuchs. 1997. An ultrasonic nondestructive method for measuring maturity of mango fruit. Transactions of the American Society of Agricultural Engineers 40(4):1107-1111. https://doi.org/10.13031/2013.21327
- Tu, K., B. Nicolai and J. De Baerdemaeker. 2000. Effects of relative humidity on apple quality under simulated shelf temperature storage. Scientia Horticulturae 85:217-229. https://doi.org/10.1016/S0304-4238(99)00148-X
Cited by
- Predicting the Firmness of Apples using a Non-contact Ultrasonic Technique vol.38, pp.3, 2013, https://doi.org/10.5307/JBE.2013.38.3.192