CN106969787A - 信号处理方法及系统 - Google Patents
信号处理方法及系统 Download PDFInfo
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- CN106969787A CN106969787A CN201710108224.8A CN201710108224A CN106969787A CN 106969787 A CN106969787 A CN 106969787A CN 201710108224 A CN201710108224 A CN 201710108224A CN 106969787 A CN106969787 A CN 106969787A
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- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000004364 calculation method Methods 0.000 claims description 46
- 238000012545 processing Methods 0.000 claims description 20
- 238000012937 correction Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 description 8
- 238000005070 sampling Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003121 nonmonotonic effect Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 102000003712 Complement factor B Human genes 0.000 description 1
- 108090000056 Complement factor B Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710108224.8A CN106969787B (zh) | 2017-02-27 | 2017-02-27 | 信号处理方法及系统 |
Applications Claiming Priority (1)
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CN201710108224.8A CN106969787B (zh) | 2017-02-27 | 2017-02-27 | 信号处理方法及系统 |
Publications (2)
Publication Number | Publication Date |
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CN106969787A true CN106969787A (zh) | 2017-07-21 |
CN106969787B CN106969787B (zh) | 2019-10-15 |
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CN201710108224.8A Active CN106969787B (zh) | 2017-02-27 | 2017-02-27 | 信号处理方法及系统 |
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CN (1) | CN106969787B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107860407A (zh) * | 2017-10-24 | 2018-03-30 | 华中科技大学 | 一种迈克尔逊声传感器的解调方法及装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5903350A (en) * | 1997-02-03 | 1999-05-11 | Optiphase, Inc. | Demodulator and method useful for multiplexed optical sensors |
CN102624456A (zh) * | 2012-02-21 | 2012-08-01 | 中国科学院半导体研究所 | 一种光纤干涉型传感信号解调的系统及方法 |
CN102620757A (zh) * | 2012-03-27 | 2012-08-01 | 中国科学院半导体研究所 | 一种对光纤干涉型传感信号进行解调的系统及方法 |
CN104197966A (zh) * | 2014-08-20 | 2014-12-10 | 中国科学院半导体研究所 | 一种抗调制深度漂移的光纤光栅的解调方法 |
CN105067017A (zh) * | 2015-06-02 | 2015-11-18 | 哈尔滨工程大学 | 一种改进的生成载波相位pgc解调方法 |
-
2017
- 2017-02-27 CN CN201710108224.8A patent/CN106969787B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5903350A (en) * | 1997-02-03 | 1999-05-11 | Optiphase, Inc. | Demodulator and method useful for multiplexed optical sensors |
CN102624456A (zh) * | 2012-02-21 | 2012-08-01 | 中国科学院半导体研究所 | 一种光纤干涉型传感信号解调的系统及方法 |
CN102620757A (zh) * | 2012-03-27 | 2012-08-01 | 中国科学院半导体研究所 | 一种对光纤干涉型传感信号进行解调的系统及方法 |
CN104197966A (zh) * | 2014-08-20 | 2014-12-10 | 中国科学院半导体研究所 | 一种抗调制深度漂移的光纤光栅的解调方法 |
CN105067017A (zh) * | 2015-06-02 | 2015-11-18 | 哈尔滨工程大学 | 一种改进的生成载波相位pgc解调方法 |
Non-Patent Citations (1)
Title |
---|
江磊: "光纤水听器阵列信号实时解调系统设计与实现", 《压电与声光》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107860407A (zh) * | 2017-10-24 | 2018-03-30 | 华中科技大学 | 一种迈克尔逊声传感器的解调方法及装置 |
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Effective date of registration: 20241125 Address after: Room 501-4062, Development Zone Office Building, No. 8 Xingsheng South Road, Miyun District Economic Development Zone, Beijing 101500 (Cluster Registration) Patentee after: Beijing Heji Technology Co.,Ltd. Country or region after: China Address before: 100190, No. 21 West Fourth Ring Road, Beijing, Haidian District Patentee before: INSTITUTE OF ACOUSTICS, CHINESE ACADEMY OF SCIENCES Country or region before: China |
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