FR1295592A - Altimètre à modulation de fréquence - Google Patents
Altimètre à modulation de fréquenceInfo
- Publication number
- FR1295592A FR1295592A FR860350A FR860350A FR1295592A FR 1295592 A FR1295592 A FR 1295592A FR 860350 A FR860350 A FR 860350A FR 860350 A FR860350 A FR 860350A FR 1295592 A FR1295592 A FR 1295592A
- Authority
- FR
- France
- Prior art keywords
- frequency modulated
- altimeter
- modulated altimeter
- frequency
- modulated
- 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
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
-
- 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
-
- 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
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
- G06G7/1928—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals
- G06G7/1935—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming correlation integrals; for forming convolution integrals by converting at least one the input signals into a two level signal, e.g. polarity correlators
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL276870D NL276870A (fr) | 1961-04-06 | ||
DENDAT1162892D DE1162892B (de) | 1961-04-06 | Mit Frequenzmodulation arbeitender Funkhoenmesser | |
FR860350A FR1295592A (fr) | 1961-04-06 | 1961-04-29 | Altimètre à modulation de fréquence |
GB13060/62A GB1008762A (en) | 1961-04-06 | 1962-04-04 | Method and apparatus of correlation for radar or like installations |
US188920A US3168734A (en) | 1961-04-06 | 1962-04-06 | Apparatus for correlation in radar installations |
US189569A US3177487A (en) | 1961-04-06 | 1962-04-23 | Altimeter with frequency-modulation |
GB16159/62A GB979593A (en) | 1961-04-06 | 1962-04-27 | Frequency modulated radio altimeter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR857962A FR1356912A (fr) | 1961-04-06 | 1961-04-06 | Procédé et dispositif de corrélation pour installation de radar ou analogue |
FR860350A FR1295592A (fr) | 1961-04-06 | 1961-04-29 | Altimètre à modulation de fréquence |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1295592A true FR1295592A (fr) | 1962-06-08 |
Family
ID=26189997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR860350A Expired FR1295592A (fr) | 1961-04-06 | 1961-04-29 | Altimètre à modulation de fréquence |
Country Status (5)
Country | Link |
---|---|
US (2) | US3168734A (fr) |
DE (1) | DE1162892B (fr) |
FR (1) | FR1295592A (fr) |
GB (2) | GB1008762A (fr) |
NL (1) | NL276870A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3249938A (en) * | 1963-11-18 | 1966-05-03 | Sanders Associates Inc | Fm radio ranging system |
US3502989A (en) * | 1966-05-03 | 1970-03-24 | Itt | Receiver employing correlation techniques |
CN106443589B (zh) * | 2016-06-27 | 2019-02-15 | 电子科技大学 | 基于Radon-WDL变换的SMSP干扰的参数估计方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR962778A (fr) * | 1950-06-20 | |||
US2572788A (en) * | 1940-09-09 | 1951-10-23 | Pye Ltd | Frequency meter |
US2436627A (en) * | 1944-06-24 | 1948-02-24 | Rca Corp | Dually frequency modulated altimeter |
FR1100387A (fr) * | 1954-03-02 | 1955-09-20 | Csf | Perfectionnements aux dispositifs de détection radio-électrique d'obstacles |
US2867767A (en) * | 1955-06-06 | 1959-01-06 | Ind Res Associates Inc | Signal detectors |
-
0
- DE DENDAT1162892D patent/DE1162892B/de active Pending
- NL NL276870D patent/NL276870A/xx unknown
-
1961
- 1961-04-29 FR FR860350A patent/FR1295592A/fr not_active Expired
-
1962
- 1962-04-04 GB GB13060/62A patent/GB1008762A/en not_active Expired
- 1962-04-06 US US188920A patent/US3168734A/en not_active Expired - Lifetime
- 1962-04-23 US US189569A patent/US3177487A/en not_active Expired - Lifetime
- 1962-04-27 GB GB16159/62A patent/GB979593A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3177487A (en) | 1965-04-06 |
NL276870A (fr) | |
US3168734A (en) | 1965-02-02 |
GB979593A (en) | 1965-01-06 |
GB1008762A (en) | 1965-11-03 |
DE1162892B (de) | 1964-02-13 |
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