WO2016084917A1 - 電気信号処理装置 - Google Patents
電気信号処理装置 Download PDFInfo
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- WO2016084917A1 WO2016084917A1 PCT/JP2015/083290 JP2015083290W WO2016084917A1 WO 2016084917 A1 WO2016084917 A1 WO 2016084917A1 JP 2015083290 W JP2015083290 W JP 2015083290W WO 2016084917 A1 WO2016084917 A1 WO 2016084917A1
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- frequency
- signal processing
- saw sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/022—Fluid sensors based on microsensors, e.g. quartz crystal-microbalance [QCM], surface acoustic wave [SAW] devices, tuning forks, cantilevers, flexural plate wave [FPW] devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2437—Piezoelectric probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
- G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4454—Signal recognition, e.g. specific values or portions, signal events, signatures
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0423—Surface waves, e.g. Rayleigh waves, Love waves
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
fimage(N)=|f-NfS| (1)
で与えられる。fは受信信号の周波数、fSはサンプリング周波数、Nは整数を表す。
第1の実施例として、高調波ボールSAW水晶素子に微量水分測定用のゾルゲルSiOx膜を成膜したセンサについて、簡易型電気信号処理装置によるアンダーサンプリングが、二周波数測定による温度補償に有用であることを示す。そこでは、ボールSAWセンサが、従来はCRDS(キャビティリングダウン分光分析装置)を用いないと測定が困難だった、20 nmol/molの微量水分に対する応答を明瞭に測定することができ、アンダーサンプリングとオーバーサンプリングとを用いて温度補償されたセンサ応答が、相関係数0.9999で一致したことを示す。
11 シンセサイザ
11a 温度補償型水晶発振器
12 分周器
13a、13b 狭帯域バンドパスフィルタ
14a、14b ADC
15a、15b バンドパスフィルタ
16a、16b ローパスフィルタ
17a 加算器
17b、17d 増幅器
17c rfスイッチ
18 コンピュータ
21 シンセサイザ
21a 温度補償型水晶発振器
22a、22b、22c 分周器
23a、23b 狭帯域バンドパスフィルタ
24a、24b ADC
25a、25b バンドパスフィルタ
26a、26b ローパスフィルタ
27a 加算器
27b タイミングコントローラ
27c rfスイッチ
27d、27f 増幅器
27e 方向性カプラ
28 コンピュータ
Claims (8)
- 2周波数f1、f2(f2>f1)を送受信可能な遅延線型SAW(弾性表面波)センサからの信号をサンプリングするADC(アナログデジタル変換器)を有し、前記ADCは、サンプリング周波数fSがf1の2倍よりも低周波数であることを
特徴とする電気信号処理装置。 - 前記ADCは、前記SAWセンサへの送信信号と同期可能であることを特徴とする請求項1記載の電気信号処理装置。
- 前記SAWセンサからの受信信号を処理して、f1およびf2の成分を抽出するよう、中心周波数f1およびf2、バンド幅が各中心周波数の20%以下のバンドパスフィルタを有し、
前記ADCは、前記バンドパスフィルタから抽出された信号をサンプリングするよう構成されていることを
特徴とする請求項1または2記載の電気信号処理装置。 - 前記ADCによりサンプリングした信号に対して、応答の測定に用いる2周波数fu1およびfu2以外の周波数のエリアシングを遮断可能に設けられたデジタルフィルタを有することを特徴とする請求項1乃至3のいずれか1項に記載の電気信号処理装置。
- fu1=f1/4、fu2=f1/2であることを特徴とする請求項4記載の電気信号処理装置。
- f2=3f1、fS=5f1/4であることを特徴とする請求項1乃至5のいずれか1項に記載の電気信号処理装置。
- 前記SAWセンサが基板を周回するSAWを用いる遅延線型SAWセンサであることを特徴とする請求項1乃至6のいずれか1項に記載の電気信号処理装置。
- 前記SAWセンサがボールSAWセンサであることを特徴とする請求項1乃至7のいずれか1項に記載の電気信号処理装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US15/515,886 US10436757B2 (en) | 2014-11-28 | 2015-11-26 | Electrical signal processing device |
EP15863626.6A EP3225985B1 (en) | 2014-11-28 | 2015-11-26 | Two-frequency measurement system comprising a delay line surface acoustic wave sensor |
JP2016561951A JP6260918B2 (ja) | 2014-11-28 | 2015-11-26 | 電気信号処理装置 |
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JP2014-241817 | 2014-11-28 | ||
JP2014241817 | 2014-11-28 |
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WO2016084917A1 true WO2016084917A1 (ja) | 2016-06-02 |
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PCT/JP2015/083290 WO2016084917A1 (ja) | 2014-11-28 | 2015-11-26 | 電気信号処理装置 |
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US (1) | US10436757B2 (ja) |
EP (1) | EP3225985B1 (ja) |
JP (1) | JP6260918B2 (ja) |
WO (1) | WO2016084917A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018084296A1 (en) * | 2016-11-07 | 2018-05-11 | Ball Wave Inc. | System, method and computer program product for measuring gas concentration |
JP2019015545A (ja) * | 2017-07-04 | 2019-01-31 | 日本無線株式会社 | 特性測定装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11313836B2 (en) | 2018-01-31 | 2022-04-26 | Ball Wave Inc | System, method and computer program product for gas analysis |
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JPS59147258A (ja) * | 1983-02-10 | 1984-08-23 | Hitachi Medical Corp | 超音波受信装置 |
JPH11142425A (ja) * | 1997-11-10 | 1999-05-28 | Furuno Electric Co Ltd | 流速測定装置および超音波診断装置 |
JP2006071482A (ja) * | 2004-09-02 | 2006-03-16 | Toppan Printing Co Ltd | 多重周回弾性表面波素子の伝搬面の分析方法及びその素子 |
JP2015087271A (ja) * | 2013-10-31 | 2015-05-07 | 日本無線株式会社 | 弾性表面波センサを備えた特性測定装置 |
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2015
- 2015-11-26 WO PCT/JP2015/083290 patent/WO2016084917A1/ja active Application Filing
- 2015-11-26 JP JP2016561951A patent/JP6260918B2/ja active Active
- 2015-11-26 EP EP15863626.6A patent/EP3225985B1/en active Active
- 2015-11-26 US US15/515,886 patent/US10436757B2/en active Active
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JPS59147258A (ja) * | 1983-02-10 | 1984-08-23 | Hitachi Medical Corp | 超音波受信装置 |
JPH11142425A (ja) * | 1997-11-10 | 1999-05-28 | Furuno Electric Co Ltd | 流速測定装置および超音波診断装置 |
JP2006071482A (ja) * | 2004-09-02 | 2006-03-16 | Toppan Printing Co Ltd | 多重周回弾性表面波素子の伝搬面の分析方法及びその素子 |
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Non-Patent Citations (1)
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018084296A1 (en) * | 2016-11-07 | 2018-05-11 | Ball Wave Inc. | System, method and computer program product for measuring gas concentration |
CN109891230A (zh) * | 2016-11-07 | 2019-06-14 | 球波株式会社 | 用于测量气体浓度的系统、方法和计算机程序产品 |
EP3545293A4 (en) * | 2016-11-07 | 2020-11-11 | Ball Wave Inc. | SYSTEM, PROCEDURE AND COMPUTER PROGRAM PRODUCT FOR MEASURING GAS CONCENTRATION |
CN109891230B (zh) * | 2016-11-07 | 2021-05-14 | 球波株式会社 | 用于测量气体浓度的系统、方法和计算机程序产品 |
US11333631B2 (en) | 2016-11-07 | 2022-05-17 | Ball Wave Inc. | System, method and computer program product for measuring gas concentration |
JP2019015545A (ja) * | 2017-07-04 | 2019-01-31 | 日本無線株式会社 | 特性測定装置 |
Also Published As
Publication number | Publication date |
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US20170307567A1 (en) | 2017-10-26 |
EP3225985A4 (en) | 2017-11-22 |
JP6260918B2 (ja) | 2018-01-24 |
EP3225985B1 (en) | 2018-10-24 |
US10436757B2 (en) | 2019-10-08 |
JPWO2016084917A1 (ja) | 2017-07-27 |
EP3225985A1 (en) | 2017-10-04 |
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