FR2271582A1 - Variable delay device for radar simulator - employs quartz delay lines which propagate using acoustic surface waves - Google Patents
Variable delay device for radar simulator - employs quartz delay lines which propagate using acoustic surface wavesInfo
- Publication number
- FR2271582A1 FR2271582A1 FR7416418A FR7416418A FR2271582A1 FR 2271582 A1 FR2271582 A1 FR 2271582A1 FR 7416418 A FR7416418 A FR 7416418A FR 7416418 A FR7416418 A FR 7416418A FR 2271582 A1 FR2271582 A1 FR 2271582A1
- Authority
- FR
- France
- Prior art keywords
- propagate
- echoes
- surface waves
- acoustic surface
- low noise
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/30—Time-delay networks
- H03H9/42—Time-delay networks using surface acoustic waves
- H03H9/423—Time-delay networks using surface acoustic waves with adjustable delay time
-
- 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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
-
- 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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/406—Means for monitoring or calibrating by simulation of echoes using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder
- G01S7/4065—Means for monitoring or calibrating by simulation of echoes using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder involving a delay line
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/30—Time-delay networks
- H03H9/38—Time-delay networks with adjustable delay time
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
- Amplifiers (AREA)
Abstract
The radar simulators variable delay circuit eliminates fixed echoes or simulates fixed or moving echoes. A delay line (3) is driven from an input signal through a power amplifier (2). It has a number of outputs (4, 5, 6) connected to low noise amplifiers (7, 8, 9). The final output is connected through a power amplifier (12) to a second delay line (11) whose outputs (13, 14, 15) are also connected to low noise amplifiers (16, 17, 18). The low noise amplifier outputs are connected to an electronic switch (10) controlled by a circuit (19) which permits the operator to select remotely a predetermined delay at the output (20) to simulate fixed echoes which can be transformed into moving echoes as required.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7416418A FR2271582A1 (en) | 1974-05-13 | 1974-05-13 | Variable delay device for radar simulator - employs quartz delay lines which propagate using acoustic surface waves |
DE2523288A DE2523288C3 (en) | 1974-05-13 | 1975-05-26 | Circuit with quartz delay line for generating variable delays for radar simulator signals |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7416418A FR2271582A1 (en) | 1974-05-13 | 1974-05-13 | Variable delay device for radar simulator - employs quartz delay lines which propagate using acoustic surface waves |
DE2523288A DE2523288C3 (en) | 1974-05-13 | 1975-05-26 | Circuit with quartz delay line for generating variable delays for radar simulator signals |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2271582A1 true FR2271582A1 (en) | 1975-12-12 |
FR2271582B1 FR2271582B1 (en) | 1979-07-06 |
Family
ID=25768940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7416418A Granted FR2271582A1 (en) | 1974-05-13 | 1974-05-13 | Variable delay device for radar simulator - employs quartz delay lines which propagate using acoustic surface waves |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2523288C3 (en) |
FR (1) | FR2271582A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113777565A (en) * | 2021-09-02 | 2021-12-10 | 上海矽杰微电子有限公司 | Miniaturized millimeter wave radar simulation method |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3112112C1 (en) * | 1981-03-27 | 1982-09-30 | Dornier System Gmbh, 7990 Friedrichshafen | Test device for a radar device with a synthetic aperture |
AT519540B1 (en) * | 2016-12-29 | 2018-10-15 | Avl List Gmbh | Switching device for a Radielielemulator and Radarzielemulator with such a switching device |
AT519538B1 (en) | 2016-12-29 | 2019-05-15 | Avl List Gmbh | Method and system for the simulation-based determination of echo points as well as methods for emulation and emulation device |
AT519539B1 (en) | 2016-12-29 | 2018-10-15 | Avl List Gmbh | Radar target emulator with a crossfade device and method for crossfading signals |
AT520578B1 (en) | 2017-10-06 | 2021-01-15 | Avl List Gmbh | Device and method for converting a radar signal and test bench |
-
1974
- 1974-05-13 FR FR7416418A patent/FR2271582A1/en active Granted
-
1975
- 1975-05-26 DE DE2523288A patent/DE2523288C3/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113777565A (en) * | 2021-09-02 | 2021-12-10 | 上海矽杰微电子有限公司 | Miniaturized millimeter wave radar simulation method |
Also Published As
Publication number | Publication date |
---|---|
FR2271582B1 (en) | 1979-07-06 |
DE2523288A1 (en) | 1976-12-02 |
DE2523288C3 (en) | 1978-09-07 |
DE2523288B2 (en) | 1978-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
ST | Notification of lapse |