sld6d@cc.usu.edu (02/21/91)
Hi DSP GURUS, I am working on a scheme to detect moisture content in corn using the principle of ACOUSTIC PRESSURE. My question is , i would like to have some idea by which i can establish wether my assumptions are right. It was stated by a proff. that depending on moisture content on corn seeds there is a variation in intensity of sound. He observed that the intensity of sound incresed around the 16kHz range. We planned to look out if we can find any frequency shift in t he whole audio frequency spectrum. As for now i am acquiring the information of time domain data on a port- -able data acquisistion system sampling at the rate of 76.8KHz. Conducting a Power Spectral Analysis on the data. From the results on three different samples itis observed that there is variation in the frequency spectrum. Can any of you suggest a scheme by which i can look at a narrow band and the best way to analyse my data. Is there any ready made routines for correlating data . One more question is on implemntation of Weiner filter (Algorithm or code). I would highly appreciate for some replies. My e- mail add. is sld6d@cc.usu.edu anush@multi.ee.usu.edu Thanx for the help in anticipataion of some assistance. Anush Gopalan