TIME OF FLIGHT ESTIMATION METHOD USING BEAMFORMING FOR ACOUSTIC TOMOGRAPHY
First Claim
1. An acoustic tomography method to improve the time of flight estimation, said method comprising the steps of:
- sequentially triggering a set of N transmitters so as to generate a sequence of N acoustic waves through a volume being scanned;
receiving each of said acoustic waves after transmission through said volume with a set of M receivers, which are called received signals;
delaying by varying delays the N different said received signals that each receiver receives from the N different transmitters, and adding them together to form a new received signal, which is called transmit-beamformed signal for that receiver;
delaying by varying delays the M different said transmit-beamformed signals for each receiver and adding them together at each receiver to form a new signal, which is called transmit-receive-beamformed signal.
1 Assignment
0 Petitions
Accused Products
Abstract
It is disclosed an acoustic tomography method to improve the time of flight estimation, said method comprising the steps of: sequentially triggering a set of N transmitters so as to generate a sequence of N acoustic waves through a volume being scanned; receiving each of said acoustic waves after transmission through said volume with a set of M receivers, which are called received signals; delaying by varying delays the N different said received signals that each receiver receives from the N different transmitters, and adding them together to form a new received signal, which is called transmit-beamformed signal for that receiver; delaying by varying delays the M different said transmit-beamformed signals for each receiver and adding them together at each receiver to form a new signal, which we call transmit-receive-beamformed signal.
-
Citations
11 Claims
-
1. An acoustic tomography method to improve the time of flight estimation, said method comprising the steps of:
-
sequentially triggering a set of N transmitters so as to generate a sequence of N acoustic waves through a volume being scanned; receiving each of said acoustic waves after transmission through said volume with a set of M receivers, which are called received signals; delaying by varying delays the N different said received signals that each receiver receives from the N different transmitters, and adding them together to form a new received signal, which is called transmit-beamformed signal for that receiver; delaying by varying delays the M different said transmit-beamformed signals for each receiver and adding them together at each receiver to form a new signal, which is called transmit-receive-beamformed signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
Specification