JPH0347474B2 - - Google Patents

Info

Publication number
JPH0347474B2
JPH0347474B2 JP58183960A JP18396083A JPH0347474B2 JP H0347474 B2 JPH0347474 B2 JP H0347474B2 JP 58183960 A JP58183960 A JP 58183960A JP 18396083 A JP18396083 A JP 18396083A JP H0347474 B2 JPH0347474 B2 JP H0347474B2
Authority
JP
Japan
Prior art keywords
signal
frequency
underground
frame
passband
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.)
Expired - Lifetime
Application number
JP58183960A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6073485A (ja
Inventor
Akira Kinoshita
Masao Asakura
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.)
Koden Electronics Co Ltd
Original Assignee
Koden Electronics Co Ltd
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 Koden Electronics Co Ltd filed Critical Koden Electronics Co Ltd
Priority to JP58183960A priority Critical patent/JPS6073485A/ja
Publication of JPS6073485A publication Critical patent/JPS6073485A/ja
Publication of JPH0347474B2 publication Critical patent/JPH0347474B2/ja
Granted 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP58183960A 1983-09-30 1983-09-30 地中探査装置 Granted JPS6073485A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58183960A JPS6073485A (ja) 1983-09-30 1983-09-30 地中探査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58183960A JPS6073485A (ja) 1983-09-30 1983-09-30 地中探査装置

Publications (2)

Publication Number Publication Date
JPS6073485A JPS6073485A (ja) 1985-04-25
JPH0347474B2 true JPH0347474B2 (cs) 1991-07-19

Family

ID=16144826

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58183960A Granted JPS6073485A (ja) 1983-09-30 1983-09-30 地中探査装置

Country Status (1)

Country Link
JP (1) JPS6073485A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248911B2 (cs) * 1974-05-13 1977-12-13
JP2001124851A (ja) * 1999-10-26 2001-05-11 Osaka Gas Co Ltd 物体検出装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58135476A (ja) * 1982-02-03 1983-08-12 Osaka Gas Co Ltd 地下探査装置

Also Published As

Publication number Publication date
JPS6073485A (ja) 1985-04-25

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees