ZA896028B - Distance measuring method and apparatus therefor - Google Patents

Distance measuring method and apparatus therefor

Info

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
Application number
ZA896028A
Other languages
English (en)
Inventor
Akio Nagamune
Koichi Tezuka
Yoshiyuki Kanao
Original Assignee
Nippon Kokan Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Kokan Kk filed Critical Nippon Kokan Kk
Publication of ZA896028B publication Critical patent/ZA896028B/xx

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

  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (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)
ZA896028A 1988-10-06 1989-08-08 Distance measuring method and apparatus therefor ZA896028B (en)

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 (xx)
JP (1) JPH0616081B2 (xx)
KR (1) KR930001549B1 (xx)
CN (1) CN1017280B (xx)
AT (1) ATE123579T1 (xx)
AU (1) AU628066B2 (xx)
BR (1) BR8903984A (xx)
CA (1) CA1332458C (xx)
DE (1) DE68922954T2 (xx)
ZA (1) ZA896028B (xx)

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CA2038818A1 (en) * 1990-03-30 1991-10-01 Akio Nagamune Distance measuring method and apparatus therefor
CA2038825A1 (en) * 1990-03-30 1991-10-01 Akio Nagamune In-furnace slag level measuring apparatus
DE69019159T2 (de) * 1990-07-24 1995-11-16 Nippon Kokan Kk Anordnung zur unterirdischen radar-tomographie.
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 (en) * 1998-04-29 2000-08-09 Mitel Semiconductor Limited Direct sequence spread spectrum radar
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
EP1813912B1 (en) * 2004-11-08 2017-01-04 Nireco Corporation Method and device for measuring width direction end position of stripe body, and method and device for measuring width direction central 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
EP1992922B1 (en) * 2007-05-16 2012-07-11 Rosemount Tank Radar AB Radar level gauge system having limited transmission power
US8069721B2 (en) 2007-05-16 2011-12-06 Rosemount Tank Radar Ab Radar level gauge system having limited transmission power
JP2009098097A (ja) * 2007-10-19 2009-05-07 Nireco Corp 距離測定装置及び距離測定方法
US8358575B2 (en) * 2007-11-12 2013-01-22 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
KR20130093521A (ko) * 2010-07-12 2013-08-22 가부시기가이샤니레꼬 거리 측정 장치 및 거리 측정 방법
JP5731548B2 (ja) * 2011-02-03 2015-06-10 株式会社ニレコ 帯状体の幅方向端部位置測定装置及び帯状体の幅方向中心位置測定装置
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
CN104284989A (zh) * 2012-05-04 2015-01-14 西门子Vai金属科技有限责任公司 转炉产钢时对可移动的长叉无接触地进行位置测量
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***
CN109073733B (zh) * 2016-03-01 2023-04-28 艾尔默斯半导体欧洲股份公司 用于转换在发送器和接收器之间传输的信号的时间延迟的装置
US10145948B2 (en) * 2016-07-13 2018-12-04 Texas Instruments Incorporated Methods and apparatus for narrowband ranging systems using coarse and fine delay estimation
CN110062894B (zh) * 2016-12-07 2023-09-01 索尼半导体解决方案公司 设备与方法
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***、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***

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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
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JPH0616080B2 (ja) * 1988-02-09 1994-03-02 日本鋼管株式会社 距離測定装置

Also Published As

Publication number Publication date
AU3939589A (en) 1990-04-12
EP0362992B1 (en) 1995-06-07
DE68922954T2 (de) 1995-11-30
EP0362992A2 (en) 1990-04-11
EP0362992A3 (en) 1992-07-29
BR8903984A (pt) 1990-04-17
ATE123579T1 (de) 1995-06-15
AU628066B2 (en) 1992-09-10
JPH0616081B2 (ja) 1994-03-02
CN1041654A (zh) 1990-04-25
CN1017280B (zh) 1992-07-01
KR900006765A (ko) 1990-05-08
KR930001549B1 (ko) 1993-03-04
JPH0298685A (ja) 1990-04-11
CA1332458C (en) 1994-10-11
DE68922954D1 (de) 1995-07-13

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