GB2250153B - Methods of and systems for discovering hovering helicopters - Google Patents

Methods of and systems for discovering hovering helicopters

Info

Publication number
GB2250153B
GB2250153B GB8517270A GB8517270A GB2250153B GB 2250153 B GB2250153 B GB 2250153B GB 8517270 A GB8517270 A GB 8517270A GB 8517270 A GB8517270 A GB 8517270A GB 2250153 B GB2250153 B GB 2250153B
Authority
GB
United Kingdom
Prior art keywords
discovering
systems
methods
helicopters
hovering
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 - Fee Related
Application number
GB8517270A
Other versions
GB2250153A (en
Inventor
Dipl Ing Gerhard Foeller
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB2250153A publication Critical patent/GB2250153A/en
Application granted granted Critical
Publication of GB2250153B publication Critical patent/GB2250153B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • G01S13/44—Monopulse radar, i.e. simultaneous lobing
    • 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
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • G01S7/415—Identification of targets based on measurements of movement associated with the target
GB8517270A 1984-09-24 1985-07-08 Methods of and systems for discovering hovering helicopters Expired - Fee Related GB2250153B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3435000 1984-09-24

Publications (2)

Publication Number Publication Date
GB2250153A GB2250153A (en) 1992-05-27
GB2250153B true GB2250153B (en) 1992-10-14

Family

ID=6246204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8517270A Expired - Fee Related GB2250153B (en) 1984-09-24 1985-07-08 Methods of and systems for discovering hovering helicopters

Country Status (1)

Country Link
GB (1) GB2250153B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6195035B1 (en) * 1984-10-12 2001-02-27 Textron Systems Corporation Cylindrical monopulse
GB2314716A (en) * 1996-06-27 1998-01-07 Motorola Ltd Direction-finding for cellular radio
GB2336261A (en) * 1998-03-28 1999-10-13 Antonio Valentino Tracking system
GB2479211B (en) 2010-03-31 2014-07-23 Qinetiq Ltd System for the detection of incoming munitions
DE102018113614A1 (en) * 2018-06-07 2019-12-12 Rheinmetall Air Defence Ag Aircraft launcher with a tower and at least one search and / or follower radar

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB900047A (en) * 1959-04-20 1962-07-04 North American Aviation Inc Integrated aircraft fire control autopilot
GB1268620A (en) * 1969-11-14 1972-03-29 Dornier System Gmbh A method of detecting a helicopter over the sea
GB1377202A (en) * 1972-03-30 1974-12-11 Marconi Co Ltd Radars
GB1390216A (en) * 1971-12-01 1975-04-09 Thomson Csf Multibeam radars
GB1403350A (en) * 1968-02-06 1975-08-28 North American Rockwell Logarithmic monopulse receiver
GB1423156A (en) * 1971-12-15 1976-01-28 Hollandse Signaalapparaten Bv Radar target acquisition circuit
GB2007065A (en) * 1977-10-25 1979-05-10 Saab Scania Ab Direction finding system
GB2054310A (en) * 1979-07-18 1981-02-11 Siemens Ag Doppler radar system for the classification of moving targets

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB900047A (en) * 1959-04-20 1962-07-04 North American Aviation Inc Integrated aircraft fire control autopilot
GB1403350A (en) * 1968-02-06 1975-08-28 North American Rockwell Logarithmic monopulse receiver
GB1268620A (en) * 1969-11-14 1972-03-29 Dornier System Gmbh A method of detecting a helicopter over the sea
GB1390216A (en) * 1971-12-01 1975-04-09 Thomson Csf Multibeam radars
GB1423156A (en) * 1971-12-15 1976-01-28 Hollandse Signaalapparaten Bv Radar target acquisition circuit
GB1377202A (en) * 1972-03-30 1974-12-11 Marconi Co Ltd Radars
GB2007065A (en) * 1977-10-25 1979-05-10 Saab Scania Ab Direction finding system
GB2054310A (en) * 1979-07-18 1981-02-11 Siemens Ag Doppler radar system for the classification of moving targets

Also Published As

Publication number Publication date
GB2250153A (en) 1992-05-27

Similar Documents

Publication Publication Date Title
GB2197629B (en) Helicopter
AU561636B2 (en) Canard aircraft
AU566103B2 (en) Bis(3-aminophenoxy) aromatics and method of preparing the same
GB2148223B (en) Helicopter navigation and location system
IL83205A0 (en) Vtol aircraft and its components
GB8512318D0 (en) Helicopter decks
GB8613014D0 (en) Helicopter
GB8515295D0 (en) Apparatus reducing vibration of helicopter fuselage
GB2199550B (en) Helicopter
GB2175867B (en) Helicopter
GB8421988D0 (en) Aircraft
GB2250153B (en) Methods of and systems for discovering hovering helicopters
AU573698B2 (en) Microwave landing system
DE3660954D1 (en) Aircraft of the parawing type
GB2168812B (en) Aircraft landing aid
GB2182126B (en) Aircraft suspension means
GB2143483B (en) Compound helicopter and powerplant therefor
GB2183583B (en) Aircraft
AU575619B2 (en) Parachutists free flight simulator
CA50763S (en) Helicopter
CA50764S (en) Helicopter
CA54246S (en) Flying disc
GB8414730D0 (en) Minimal aircraft
GB8308220D0 (en) Helicopters
PL252016A1 (en) Reference structure and method of preparing the same

Legal Events

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

Effective date: 19930114