GB1297406A - - Google Patents

Info

Publication number
GB1297406A
GB1297406A GB1297406DA GB1297406A GB 1297406 A GB1297406 A GB 1297406A GB 1297406D A GB1297406D A GB 1297406DA GB 1297406 A GB1297406 A GB 1297406A
Authority
GB
United Kingdom
Prior art keywords
frequency
pulse
signals
signal
gate
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
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1297406A publication Critical patent/GB1297406A/en
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
    • 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
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB1297406D 1969-06-20 1970-06-16 Expired GB1297406A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6920902A FR2045218A5 (enExample) 1969-06-20 1969-06-20

Publications (1)

Publication Number Publication Date
GB1297406A true GB1297406A (enExample) 1972-11-22

Family

ID=9036189

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297406D Expired GB1297406A (enExample) 1969-06-20 1970-06-16

Country Status (10)

Country Link
BE (1) BE751857A (enExample)
DE (1) DE2030273C3 (enExample)
ES (1) ES380909A1 (enExample)
FR (1) FR2045218A5 (enExample)
GB (1) GB1297406A (enExample)
NL (1) NL7008991A (enExample)
NO (1) NO132167C (enExample)
OA (1) OA03640A (enExample)
SE (1) SE369629B (enExample)
SU (1) SU632312A3 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115893750B (zh) * 2022-12-22 2025-07-04 湖南正泰水务有限公司 一种高浓度有机工业废水处理趋零排放系统及方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437987A (en) * 1967-07-10 1969-04-08 Texas Instruments Inc Underwater navigation method and system

Also Published As

Publication number Publication date
DE2030273B2 (de) 1981-02-26
NO132167B (enExample) 1975-06-16
SU632312A3 (ru) 1978-11-05
OA03640A (fr) 1971-12-24
ES380909A1 (es) 1973-04-16
DE2030273C3 (de) 1981-10-08
SE369629B (enExample) 1974-09-09
NO132167C (enExample) 1975-09-24
FR2045218A5 (enExample) 1971-02-26
DE2030273A1 (de) 1971-03-04
BE751857A (fr) 1970-11-16
NL7008991A (enExample) 1970-12-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee