CH497709A - Radiohöhenmesser - Google Patents
RadiohöhenmesserInfo
- Publication number
- CH497709A CH497709A CH1045269A CH1045269A CH497709A CH 497709 A CH497709 A CH 497709A CH 1045269 A CH1045269 A CH 1045269A CH 1045269 A CH1045269 A CH 1045269A CH 497709 A CH497709 A CH 497709A
- Authority
- CH
- Switzerland
- Prior art keywords
- radio altimeter
- altimeter
- radio
- Prior art date
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
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/345—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using triangular modulation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB33046/68A GB1207565A (en) | 1968-07-11 | 1968-07-11 | Radio altimeters |
Publications (1)
Publication Number | Publication Date |
---|---|
CH497709A true CH497709A (de) | 1970-10-15 |
Family
ID=10347812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1045269A CH497709A (de) | 1968-07-11 | 1969-07-09 | Radiohöhenmesser |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE765118A (de) |
CH (1) | CH497709A (de) |
DE (1) | DE1935012C3 (de) |
FR (1) | FR2012752A1 (de) |
GB (1) | GB1207565A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1589047A (en) * | 1977-05-26 | 1981-05-07 | Rockwell International Corp | Method and apparatus for automatically calibrating a radio altimeter |
US4107681A (en) * | 1977-05-26 | 1978-08-15 | Rockwell International Corporation | Method and apparatus for automatically adjusting the resolution of a radio altimeter over its operating altitude range |
US4468638A (en) * | 1982-02-11 | 1984-08-28 | The Bendix Corporation | Linear sweep frequency modulator for FM/CW radio altimeter |
CN102565768B (zh) * | 2011-12-29 | 2014-04-16 | 唐金元 | 基于声表面波延迟线的无线电高度信号模拟器组件 |
IL224819A (en) * | 2013-02-20 | 2016-09-29 | E Levy Raphael | Frequency Generator Testing System and Method |
CN110873865B (zh) * | 2019-12-17 | 2023-03-21 | 陕西长岭电子科技有限责任公司 | 无线电高度表的垂直速度测试方法 |
-
1968
- 1968-07-11 GB GB33046/68A patent/GB1207565A/en not_active Expired
-
1969
- 1969-07-09 CH CH1045269A patent/CH497709A/de not_active IP Right Cessation
- 1969-07-10 DE DE1935012A patent/DE1935012C3/de not_active Expired
- 1969-07-10 FR FR6923502A patent/FR2012752A1/fr not_active Withdrawn
-
1971
- 1971-04-01 BE BE765118A patent/BE765118A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2012752A1 (de) | 1970-03-20 |
DE1935012B2 (de) | 1974-11-28 |
GB1207565A (en) | 1970-10-07 |
DE1935012C3 (de) | 1975-07-17 |
DE1935012A1 (de) | 1970-02-26 |
BE765118A (fr) | 1971-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |