JPS54136293A - Echo detection system - Google Patents

Echo detection system

Info

Publication number
JPS54136293A
JPS54136293A JP4330978A JP4330978A JPS54136293A JP S54136293 A JPS54136293 A JP S54136293A JP 4330978 A JP4330978 A JP 4330978A JP 4330978 A JP4330978 A JP 4330978A JP S54136293 A JPS54136293 A JP S54136293A
Authority
JP
Japan
Prior art keywords
signal
code
echo
series
reception section
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP4330978A
Other languages
English (en)
Other versions
JPS5832669B2 (ja
Inventor
Nobuyuki Tokura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP53043309A priority Critical patent/JPS5832669B2/ja
Publication of JPS54136293A publication Critical patent/JPS54136293A/ja
Publication of JPS5832669B2 publication Critical patent/JPS5832669B2/ja
Expired legal-status Critical Current

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
    • G01S13/10—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
JP53043309A 1978-04-14 1978-04-14 エコ−検出方式 Expired JPS5832669B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53043309A JPS5832669B2 (ja) 1978-04-14 1978-04-14 エコ−検出方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53043309A JPS5832669B2 (ja) 1978-04-14 1978-04-14 エコ−検出方式

Publications (2)

Publication Number Publication Date
JPS54136293A true JPS54136293A (en) 1979-10-23
JPS5832669B2 JPS5832669B2 (ja) 1983-07-14

Family

ID=12660190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53043309A Expired JPS5832669B2 (ja) 1978-04-14 1978-04-14 エコ−検出方式

Country Status (1)

Country Link
JP (1) JPS5832669B2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11309145A (ja) * 1998-03-18 1999-11-09 General Electric Co <Ge> ドプラ周波数シフトを推定し表示するシステム及び方法
WO2011052130A1 (ja) * 2009-10-28 2011-05-05 株式会社ニレコ 突起物検出装置及び突起物検出方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04127679U (ja) * 1991-05-13 1992-11-20 株式会社三ツ葉電機製作所 回路基板

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11309145A (ja) * 1998-03-18 1999-11-09 General Electric Co <Ge> ドプラ周波数シフトを推定し表示するシステム及び方法
WO2011052130A1 (ja) * 2009-10-28 2011-05-05 株式会社ニレコ 突起物検出装置及び突起物検出方法
JP2011095051A (ja) * 2009-10-28 2011-05-12 Nireco Corp 突起物検出装置及び突起物検出方法
CN102197275A (zh) * 2009-10-28 2011-09-21 株式会社尼利可 突起物检测装置及突起物检测方法
US20110241924A1 (en) * 2009-10-28 2011-10-06 Nireco Corporation Projection detecting apparatus and projection detecting method
US8878717B2 (en) 2009-10-28 2014-11-04 Nireco Corporation Projection detecting apparatus and projection detecting method
TWI480509B (zh) * 2009-10-28 2015-04-11 Nireco Corp 突起物偵測裝置以及突起物偵測方法

Also Published As

Publication number Publication date
JPS5832669B2 (ja) 1983-07-14

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