DE69116347T2 - Pulsradar - Google Patents
PulsradarInfo
- Publication number
- DE69116347T2 DE69116347T2 DE69116347T DE69116347T DE69116347T2 DE 69116347 T2 DE69116347 T2 DE 69116347T2 DE 69116347 T DE69116347 T DE 69116347T DE 69116347 T DE69116347 T DE 69116347T DE 69116347 T2 DE69116347 T2 DE 69116347T2
- Authority
- DE
- Germany
- Prior art keywords
- pulse radar
- radar
- pulse
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/12—Refracting or diffracting devices, e.g. lens, prism functioning also as polarisation filter
-
- 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
- G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
- G01S13/282—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using a frequency 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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- 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
- G01S7/024—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects
-
- 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
- G01S7/024—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects
- G01S7/026—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects involving the transmission of elliptically or circularly polarised waves
-
- 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
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
- G01S7/034—Duplexers
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
- H01P1/161—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion sustaining two independent orthogonal modes, e.g. orthomode transducer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2131—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies with combining or separating polarisations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/195—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein a reflecting surface acts also as a polarisation filter or a polarising device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/20—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is fixed and the reflecting device is movable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
- H03D9/06—Transference of modulation using distributed inductance and capacitance
- H03D9/0608—Transference of modulation using distributed inductance and capacitance by means of diodes
- H03D9/0633—Transference of modulation using distributed inductance and capacitance by means of diodes mounted on a stripline circuit
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Aerials With Secondary Devices (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/547,548 US5034750A (en) | 1983-10-31 | 1983-10-31 | Pulse radar and components therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69116347D1 DE69116347D1 (de) | 1996-02-22 |
DE69116347T2 true DE69116347T2 (de) | 1996-09-05 |
Family
ID=24185091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69116347T Expired - Fee Related DE69116347T2 (de) | 1983-10-31 | 1991-06-13 | Pulsradar |
Country Status (5)
Country | Link |
---|---|
US (2) | US5034750A (de) |
EP (1) | EP0517976B1 (de) |
DE (1) | DE69116347T2 (de) |
ES (1) | ES2081435T3 (de) |
GR (1) | GR3019052T3 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5034750A (en) * | 1983-10-31 | 1991-07-23 | Raytheon Company | Pulse radar and components therefor |
IT1290980B1 (it) * | 1989-06-07 | 1998-12-14 | Marconi Co Ltd | Circuito di alimentazione per antenne radar |
FR2669115B1 (fr) * | 1990-11-09 | 1993-04-23 | Thomson Csf | Systeme radar en ondes millimetriques pour le guidage d'un robot mobile au sol. |
US5231404A (en) * | 1991-05-17 | 1993-07-27 | Georgia Tech Research Corporation | Dual-polarized cross-correlating radiometer and method and apparatus for calibrating same |
US5272351A (en) * | 1992-01-13 | 1993-12-21 | Hercules Incorporated | Differential polarization LADAR |
US5430445A (en) * | 1992-12-31 | 1995-07-04 | Raytheon Company | Synthetic aperture radar guidance system and method of operating same |
US5424742A (en) * | 1992-12-31 | 1995-06-13 | Raytheon Company | Synthetic aperture radar guidance system and method of operating same |
US5451969A (en) * | 1993-03-22 | 1995-09-19 | Raytheon Company | Dual polarized dual band antenna |
DE4405996C2 (de) * | 1994-02-24 | 1996-01-11 | Daimler Benz Aerospace Ag | Vorrichtung zur Tarnung von Antennen |
EP0701144A1 (de) * | 1994-09-06 | 1996-03-13 | Rockwell International Corporation | Detektor für die vom Boden reflektierten Signale eines Radar-Störers |
GB9914162D0 (en) * | 1999-06-18 | 1999-08-18 | Secr Defence Brit | Steerable transponders |
GB2421386B (en) * | 2004-12-17 | 2007-11-07 | Boeing Co | Methods and systems for dual circular polarization radar detection |
US8629807B2 (en) | 2005-06-06 | 2014-01-14 | Analog Devices, Inc. | True time delay phase array radar using rotary clocks and electronic delay lines |
ATE474237T1 (de) * | 2007-02-21 | 2010-07-15 | Smiths Heimann Gmbh | Vorrichtung zur abbildung von prüfobjekten mittels elektromagnetischer wellen, insbesondere zur kontrolle von personen auf verdächtige gegenstände |
JP5446552B2 (ja) * | 2009-07-30 | 2014-03-19 | ソニー株式会社 | 無線通信装置、回転構造体、電子機器 |
US8581773B1 (en) * | 2009-10-15 | 2013-11-12 | The Boeing Company | Dual frequency transmitter |
US9722316B2 (en) | 2014-07-07 | 2017-08-01 | Google Inc. | Horn lens antenna |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3403394A (en) * | 1966-07-19 | 1968-09-24 | Gen Electric | Diversity radar system |
JPS5028148B1 (de) * | 1969-11-28 | 1975-09-12 | ||
US4470049A (en) * | 1982-03-03 | 1984-09-04 | Raytheon Company | Transmitter receiver operating at 94 GHz |
US4604624A (en) * | 1982-11-16 | 1986-08-05 | At&T Bell Laboratories | Phased array antenna employing linear scan for wide-angle arc coverage with polarization matching |
US5034750A (en) * | 1983-10-31 | 1991-07-23 | Raytheon Company | Pulse radar and components therefor |
FR2557737B1 (fr) * | 1983-12-30 | 1987-12-18 | Thomson Csf | Antenne a deux reflecteurs cylindro-paraboliques croises et son procede de fabrication |
FR2591407B1 (fr) * | 1985-12-10 | 1988-08-05 | Loire Electronique | Dispositif de reception, a guide d'onde et circuits superheterodynes, de deux signaux hyperfrequences a polarisation de sens inverses |
US4831384A (en) * | 1988-05-31 | 1989-05-16 | Tecom Industries Incorporated | Polarization-sensitive receiver for microwave signals |
US4939526A (en) * | 1988-12-22 | 1990-07-03 | Hughes Aircraft Company | Antenna system having azimuth rotating directive beam with selectable polarization |
-
1983
- 1983-10-31 US US06/547,548 patent/US5034750A/en not_active Expired - Lifetime
-
1991
- 1991-03-08 US US07/666,826 patent/US5083130A/en not_active Expired - Fee Related
- 1991-06-13 EP EP91305372A patent/EP0517976B1/de not_active Expired - Lifetime
- 1991-06-13 ES ES91305372T patent/ES2081435T3/es not_active Expired - Lifetime
- 1991-06-13 DE DE69116347T patent/DE69116347T2/de not_active Expired - Fee Related
-
1996
- 1996-02-21 GR GR960400456T patent/GR3019052T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
US5034750A (en) | 1991-07-23 |
DE69116347D1 (de) | 1996-02-22 |
EP0517976B1 (de) | 1996-01-10 |
EP0517976A1 (de) | 1992-12-16 |
ES2081435T3 (es) | 1996-03-16 |
US5083130A (en) | 1992-01-21 |
GR3019052T3 (en) | 1996-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |