Methods and apparatus for high-resolution continuous scan imaging using vold-kalman filtering

摘要

A method of imaging a test subject includes providing one or more moveable sensors to sense an attribute of the test subject (e.g., acoustic pressure), wherein the attribute has a tonal noise component and a broadband noise component. A rotational sensor is provided to sense a rotational velocity of a rotational element of the test subject. Each of the moveable sensors are moved along a path while continuously acquiring test data that is indicative of the rotational velocity of the rotational element, the sensed attribute, the position, and the orientation of each of the moveable sensors. A set of transfer functions corresponding to points in space that have been visited by the moveable sensors are constructed, each of the transfer functions relating the test data of the moveable sensors to the test data of the rotational sensor. A visual representation of the tonal noise component of the attribute in a region adjacent the test subject is produced using the set of transfer functions.

主权项

1. A method of imaging a test subject, comprising:
providing one or more moveable sensors to sense an attribute of the test subject, the attribute having a tonal noise component and a broadband noise component; providing a rotational sensor to sense a rotational velocity of a rotational element of the test subject; moving each of the moveable sensors along a path while continuously acquiring: rotational sensor test data from the rotational sensor, the rotational sensor test data indicative of the rotational velocity of the rotational element; moveable sensor test data from the moveable sensors, the moveable sensor test data indicative of the sensed attribute; a position of each of the moveable sensors; and an orientation of each of the moveable sensors; constructing a set of transfer functions corresponding to points in space that have been visited by the moveable sensors, each of the transfer functions relating the moveable sensor test data to the rotational sensor test data; and producing a visual representation of the tonal noise component of the attribute in a region adjacent the test subject using the set of transfer functions.