IN2015DN02702A - Suppression of post- pulse oscillation of a converter for environmental detection - Google Patents

Suppression of post- pulse oscillation of a converter for environmental detection Download PDF

Info

Publication number
IN2015DN02702A
IN2015DN02702A IN2702/DELNP/2015A IN2702DEN2015A IN2015DN02702A IN 2015DN02702 A IN2015DN02702 A IN 2015DN02702A IN 2702DEN2015 A IN2702DEN2015 A IN 2702DEN2015A IN 2015DN02702 A IN2015DN02702 A IN 2015DN02702A
Authority
IN
India
Prior art keywords
converter
signal
processing unit
suppression
post
Prior art date
Application number
IN2702/DELNP/2015A
Inventor
Matthias; Karl
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of IN2015DN02702A publication Critical patent/IN2015DN02702A/en

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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/107—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics using frequency agility of carrier wave
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/104—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

The invention relates to device for environmental sensing, in particular for acoustic signal recording, comprising a converter (1) for transmitting and receiving signals , a signal processing unit (2), wherein the signal processing unit (2), is configured to determine a distance of the converter (1) from surrounding objects on the basis of a first signal transmitted via the converter ,(1) in combination with the reflected first signal received via the converter (1). The invention is characterized in that by means of the signal processing unit (2), the converter (1) is configured to be excited into transmitting in a signal form that is different compared to the oscillation signal of the converter and to free the signal received via the converter (1) from the oscillation signal , at least partially , by means of a blocking filter (4). Preferably , the filtering and/or the frequency behavior of the excitation signal of the converter (1) are time variant.
IN2702/DELNP/2015A 2012-10-08 2015-04-01 Suppression of post- pulse oscillation of a converter for environmental detection IN2015DN02702A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012218298.5A DE102012218298A1 (en) 2012-10-08 2012-10-08 Suppression of the ringing of a transducer for environmental detection
PCT/EP2013/066090 WO2014056645A1 (en) 2012-10-08 2013-07-31 Suppression of post-pulse oscillation of a converter for environmental detection

Publications (1)

Publication Number Publication Date
IN2015DN02702A true IN2015DN02702A (en) 2015-09-04

Family

ID=48985731

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2702/DELNP/2015A IN2015DN02702A (en) 2012-10-08 2015-04-01 Suppression of post- pulse oscillation of a converter for environmental detection

Country Status (5)

Country Link
EP (1) EP2904424B1 (en)
CN (1) CN104704387B (en)
DE (1) DE102012218298A1 (en)
IN (1) IN2015DN02702A (en)
WO (1) WO2014056645A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3555378B2 (en) * 1997-03-26 2004-08-18 松下電工株式会社 Ultrasonic sensor
JP2001221848A (en) * 2000-02-04 2001-08-17 Nippon Soken Inc Ultrasonic sonar and ultrasonic transmission method thereof
CN100555896C (en) * 2002-11-18 2009-10-28 Nxp股份有限公司 Digital filter circuit and method for blocking transmission line reflection signals
DE102008044366A1 (en) 2008-12-04 2010-06-10 Robert Bosch Gmbh Detecting device and method for detecting an environment of a vehicle
DE102009002870A1 (en) 2009-05-06 2010-11-18 Robert Bosch Gmbh Ultrasonic object detection system and method of detecting objects using ultrasound
DE102009027842A1 (en) 2009-07-20 2011-01-27 Robert Bosch Gmbh Ultrasonic measuring device and method for evaluating an ultrasonic signal
CN201937533U (en) * 2010-08-27 2011-08-17 中国电力工程顾问集团华北电力设计院工程有限公司 Novel block filter

Also Published As

Publication number Publication date
DE102012218298A1 (en) 2014-04-10
EP2904424B1 (en) 2019-05-08
EP2904424A1 (en) 2015-08-12
WO2014056645A1 (en) 2014-04-17
CN104704387B (en) 2018-05-18
CN104704387A (en) 2015-06-10

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IN2015DN02702A (en) Suppression of post- pulse oscillation of a converter for environmental detection