Method and system for improving MLS-based measurements
US10088352B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Mar 9, 2015 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Aug 24, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/014
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A measurement systems that reduces spurious artifacts in reflected signals by generating and employing an improved maximum length sequence. Accurate acoustic measurements with both high SNR and low spurious artifacts are made possible by generating Wide MLS (WMLS) which modifies a base MLS by replacing each value with a sequence that includes the value and one or more additional values, where typically the replaced values have opposing polarities and, the additional signals have intermediate values. An exemplary intermediate values can be approximately zero value.
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