ZA896028B - Distance measuring method and apparatus therefor - Google Patents
Distance measuring method and apparatus thereforInfo
- Publication number
- ZA896028B ZA896028B ZA896028A ZA896028A ZA896028B ZA 896028 B ZA896028 B ZA 896028B ZA 896028 A ZA896028 A ZA 896028A ZA 896028 A ZA896028 A ZA 896028A ZA 896028 B ZA896028 B ZA 896028B
- Authority
- ZA
- South Africa
- Prior art keywords
- target
- pseudo random
- carrier wave
- correlation output
- output
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/325—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of coded signals, e.g. P.S.K. signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
- G01C22/02—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers by conversion into electric waveforms and subsequent integration, e.g. using tachometer generator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
- G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
- G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
- G01S13/284—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using coded pulses
- G01S13/288—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using coded pulses phase modulated
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Telephone Function (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Medicines Containing Plant Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63250784A JPH0616081B2 (ja) | 1988-10-06 | 1988-10-06 | 距離測定装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA896028B true ZA896028B (en) | 1990-04-25 |
Family
ID=17212999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA896028A ZA896028B (en) | 1988-10-06 | 1989-08-08 | Distance measuring method and apparatus therefor |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0362992B1 (de) |
JP (1) | JPH0616081B2 (de) |
KR (1) | KR930001549B1 (de) |
CN (1) | CN1017280B (de) |
AT (1) | ATE123579T1 (de) |
AU (1) | AU628066B2 (de) |
BR (1) | BR8903984A (de) |
CA (1) | CA1332458C (de) |
DE (1) | DE68922954T2 (de) |
ZA (1) | ZA896028B (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2038825A1 (en) * | 1990-03-30 | 1991-10-01 | Akio Nagamune | In-furnace slag level measuring apparatus |
CA2038818A1 (en) * | 1990-03-30 | 1991-10-01 | Akio Nagamune | Distance measuring method and apparatus therefor |
US5323114A (en) * | 1990-07-24 | 1994-06-21 | Nkk Corporation | Method and apparatus for obtaining sectional information of the underground by measuring time differences and strength of electromagnetic signals |
US5233352A (en) * | 1992-05-08 | 1993-08-03 | Cournane Thomas C | Level measurement using autocorrelation |
GB2267623B (en) * | 1992-05-21 | 1995-08-30 | Racal Positioning Syst Ltd | Radio frequency ranging apparatus |
CN1059498C (zh) * | 1995-02-17 | 2000-12-13 | 鲁智 | 伪随机超声波测距的方法及其测距仪 |
EP0953851A3 (de) * | 1998-04-29 | 2000-08-09 | Mitel Semiconductor Limited | Direktsequenzspreizspektrumradar |
DE10314557A1 (de) * | 2003-03-31 | 2004-10-28 | Siemens Ag | Kompakter Mikrowellen-Anstandsensor mit geringer Leistungsaufnahme durch Leistungsmessung an einem stimulierten Empfangsoszillator |
US7233278B2 (en) | 2004-09-10 | 2007-06-19 | Rosemount Tank Radar Ab | Radar level gauge with switch for selecting transmitter or receiver mode |
US7659729B2 (en) | 2004-11-08 | 2010-02-09 | Nireco Corporation | Method and device for measuring width direction end position of stripe body, and method and device for measuring width direction center position of stripe body |
GB0500460D0 (en) * | 2005-01-11 | 2005-02-16 | Koninkl Philips Electronics Nv | Time of flight |
US7151478B1 (en) * | 2005-02-07 | 2006-12-19 | Raytheon Company | Pseudo-orthogonal waveforms radar system, quadratic polyphase waveforms radar, and methods for locating targets |
US8069721B2 (en) | 2007-05-16 | 2011-12-06 | Rosemount Tank Radar Ab | Radar level gauge system having limited transmission power |
EP1992922B1 (de) * | 2007-05-16 | 2012-07-11 | Rosemount Tank Radar AB | Radarpegelmesssystem mit begrenzter Sendeleistung |
JP2009098097A (ja) * | 2007-10-19 | 2009-05-07 | Nireco Corp | 距離測定装置及び距離測定方法 |
US8462834B2 (en) * | 2007-11-12 | 2013-06-11 | Analog Devices, Inc. | Methods and apparatus for generating and processing transmitter signals |
KR101093514B1 (ko) * | 2010-01-19 | 2011-12-13 | (주) 텔트론 | 마이크로파 센서 |
AT509736B1 (de) * | 2010-05-14 | 2012-03-15 | Inteco Special Melting Technologies Gmbh | Verfahren und vorrichtung zur kontinuierlichen erfassung des schlackenniveaus in esu-anlagen mit kurzen gleitkokillen |
EP2594957A4 (de) * | 2010-07-12 | 2014-05-28 | Nireco Corp | Abstandsmesser und abstandsmessverfahren |
CN103339469A (zh) * | 2011-02-03 | 2013-10-02 | 株式会社尼利可 | 带状体的宽度方向端部位置测定装置、带状体的宽度方向中心位置测定装置以及微波散射板 |
CN103206930A (zh) * | 2012-01-12 | 2013-07-17 | 上海通号轨道交通工程技术研究中心有限公司 | 一种用于编组站的轨道长度测量设备 |
KR20150006430A (ko) * | 2012-05-04 | 2015-01-16 | 지멘스 브이에이아이 메탈스 테크놀로지스 게엠베하 | 전로강 생산 시에 가동 랜스의 비접촉식 위치 측정 |
DE102012211714A1 (de) * | 2012-07-05 | 2014-05-22 | Siemens Vai Metals Technologies Gmbh | Verfahren und Vorrichtung zur Detektion des Schlackepegels in einem metallurgischen Gefäß |
DE102014114752A1 (de) * | 2014-10-10 | 2016-04-14 | Krohne S. A. S. | Verfahren sowie Vorrichtung zur Füllstandsmessung |
CN104914430B (zh) * | 2015-05-19 | 2017-04-19 | 西安电子科技大学 | 一种根据目标距离自适应选择发射阵元的阵列雷达系统 |
EP3423859A1 (de) * | 2016-03-01 | 2019-01-09 | Elmos Semiconductor Aktiengesellschaft | Vorrichtung zur wandlung einer zeitlichen verzögerung eines zwischen einem sender und einem empfänger übertragenen signals |
US10145948B2 (en) * | 2016-07-13 | 2018-12-04 | Texas Instruments Incorporated | Methods and apparatus for narrowband ranging systems using coarse and fine delay estimation |
JP7149941B2 (ja) * | 2016-12-07 | 2022-10-07 | ソニーセミコンダクタソリューションズ株式会社 | 装置および方法 |
EP3418701A1 (de) * | 2017-06-21 | 2018-12-26 | VEGA Grieshaber KG | Füllstandreflektometer mit veränderbarem messablauf |
US11543525B2 (en) * | 2017-12-22 | 2023-01-03 | Sony Semiconductor Solutions Corporation | Signal generation apparatus |
TWI646344B (zh) * | 2018-03-19 | 2019-01-01 | 廣達電腦股份有限公司 | 電子裝置、超音波測距裝置和方法 |
CN111902733B (zh) * | 2018-03-26 | 2024-04-16 | 松下知识产权经营株式会社 | 距离测量装置、距离测量系统、距离测量方法和程序 |
CN110224722B (zh) * | 2019-07-11 | 2024-04-12 | 南京永为科技有限公司 | 一种plc通信阻断设备及方法 |
CN111257870B (zh) * | 2020-02-26 | 2022-12-06 | 安徽大学 | 一种利用InSAR监测数据的采煤沉陷积水区水下地形反演方法 |
CN111308579B (zh) * | 2020-03-20 | 2022-01-04 | 南京大桥机器有限公司 | 一种l波段窄带电子探空仪 |
CN111427052B (zh) * | 2020-06-09 | 2020-11-27 | 深圳市汇顶科技股份有限公司 | 基于飞行时间的测距方法和相关测距系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4042925A (en) * | 1975-11-24 | 1977-08-16 | International Telephone And Telegraph Corporation | Pseudo-random code (PRC) surveilance radar |
LU81158A1 (fr) * | 1979-04-13 | 1979-06-19 | Wurth Paul Sa | Dispositif de montage d'une sonde radar pour fours a cuve |
US4357610A (en) * | 1980-09-29 | 1982-11-02 | Sperry Corporation | Waveform encoded altitude sensor |
US4429310A (en) * | 1981-04-22 | 1984-01-31 | Sperry Corporation | Random binary waveform encoded ranging apparatus |
JPS586156A (ja) * | 1981-07-02 | 1983-01-13 | Seiko Epson Corp | 半導体装置 |
JPS60173486A (ja) * | 1984-02-01 | 1985-09-06 | Nippon Telegr & Teleph Corp <Ntt> | 地下埋設物探査装置 |
CA1260557A (en) * | 1984-03-30 | 1989-09-26 | Merlin D. Bjorke | Pulse synchronizing apparatus |
SE456538B (sv) * | 1984-06-01 | 1988-10-10 | Saab Marine Electronics | Sett och anordning for nivametning med mikrovagor |
JPS61107181A (ja) * | 1984-10-31 | 1986-05-26 | Hitachi Ltd | 物体探査装置及び探査方法 |
US4737791A (en) * | 1986-02-19 | 1988-04-12 | Idea, Incorporated | Radar tank gauge |
JPH0616080B2 (ja) * | 1988-02-09 | 1994-03-02 | 日本鋼管株式会社 | 距離測定装置 |
-
1988
- 1988-10-06 JP JP63250784A patent/JPH0616081B2/ja not_active Expired - Lifetime
-
1989
- 1989-08-07 DE DE68922954T patent/DE68922954T2/de not_active Expired - Fee Related
- 1989-08-07 AU AU39395/89A patent/AU628066B2/en not_active Ceased
- 1989-08-07 EP EP89308025A patent/EP0362992B1/de not_active Expired - Lifetime
- 1989-08-07 AT AT89308025T patent/ATE123579T1/de not_active IP Right Cessation
- 1989-08-08 CA CA000607696A patent/CA1332458C/en not_active Expired - Fee Related
- 1989-08-08 ZA ZA896028A patent/ZA896028B/xx unknown
- 1989-08-08 KR KR1019890011260A patent/KR930001549B1/ko not_active IP Right Cessation
- 1989-08-08 CN CN89107030A patent/CN1017280B/zh not_active Expired
- 1989-08-08 BR BR898903984A patent/BR8903984A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
EP0362992B1 (de) | 1995-06-07 |
AU628066B2 (en) | 1992-09-10 |
ATE123579T1 (de) | 1995-06-15 |
AU3939589A (en) | 1990-04-12 |
EP0362992A2 (de) | 1990-04-11 |
EP0362992A3 (de) | 1992-07-29 |
BR8903984A (pt) | 1990-04-17 |
CA1332458C (en) | 1994-10-11 |
KR900006765A (ko) | 1990-05-08 |
CN1017280B (zh) | 1992-07-01 |
DE68922954T2 (de) | 1995-11-30 |
JPH0616081B2 (ja) | 1994-03-02 |
DE68922954D1 (de) | 1995-07-13 |
JPH0298685A (ja) | 1990-04-11 |
CN1041654A (zh) | 1990-04-25 |
KR930001549B1 (ko) | 1993-03-04 |
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