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Hi, I am designing an obstacle detection system using SONAR. I am using a 50Khz signal for transmiting. The application needs to determine the exact frequency of the echo received from the obstacles. The expected range of the echo signals is 45 - 55 Khz and I need an accuracy of upto 90Hz. Could anyone suggest me which algorithm is good for such situations and how can I achieve an accuracy of around 90Hz. Thanks and Regards, VINU V DISCLAIMER: This message (including attachment if any) is confidential and may be privileged. Before opening attachments please check them for viruses and defects. MindTree Consulting Private Limited (MindTree) will not be responsible for any viruses or defects or any forwarded attachments emanating either from within MindTree or outside. If you have received this message by mistake please notify the sender by return e-mail and delete this message from your system. Any unauthorized use or dissemination of this message in whole or in part is strictly prohibited. Please note that e-mails are susceptible to change and MindTree shall not be liable for any improper, untimely or incomplete transmission. |