Extracting inertial information from nonlinear periodic signals
First Claim
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1. A method for determining an inertial parameter, comprising:
- receiving, by an analog-to-digital converter, a first periodic analog signal from a first sensor that is responsive to motion of a proof mass;
converting, by the analog-to-digital converter, the first periodic analog signal to a first periodic digital signal;
generating, by signal-conditioning circuitry, a conditioned first periodic digital signal by at least;
scaling the first periodic digital signal to a predetermined amplitude; and
offsetting the scaled first periodic digital signal;
applying, by digital circuitry, an inverse trigonometric function to a quantity that is based on the conditioned first periodic digital signal to generate a result; and
determining the inertial parameter based on the result.
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Abstract
Systems and methods are described herein for extracting inertial information from nonlinear periodic signals. A system for determining an inertial parameter can include circuitry configured for receiving a first periodic analog signal from a first sensor that is responsive to motion of a proof mass, converting the first periodic analog signal to a first periodic digital signal, determining a result of trigonometrically inverting a quantity, the quantity based on the first periodic digital signal, and determining the inertial parameter based on the result.
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Citations
37 Claims
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1. A method for determining an inertial parameter, comprising:
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receiving, by an analog-to-digital converter, a first periodic analog signal from a first sensor that is responsive to motion of a proof mass; converting, by the analog-to-digital converter, the first periodic analog signal to a first periodic digital signal; generating, by signal-conditioning circuitry, a conditioned first periodic digital signal by at least; scaling the first periodic digital signal to a predetermined amplitude; and offsetting the scaled first periodic digital signal; applying, by digital circuitry, an inverse trigonometric function to a quantity that is based on the conditioned first periodic digital signal to generate a result; and determining the inertial parameter based on the result. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A system for determining an inertial parameter, comprising circuitry configured for:
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receiving, by an analog-to-digital converter, a first periodic analog signal from a first sensor that is responsive to motion of a proof mass; converting, by the analog-to-digital converter, the first periodic analog signal to a first periodic digital signal; generating, by signal-conditioning circuitry, a conditioned first periodic digital signal by at least; scaling the first periodic digital signal to a predetermined amplitude; and offsetting the first periodic digital signal; determining a result of applying an inverse trigonometric function to a quantity, that is based on the conditioned first periodic digital signal; and determining the inertial parameter based on the result. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification