CA1142237A - Appareils radioelectriques pour la collecte d'informations provenant d'une multiplicite de postes - Google Patents
Appareils radioelectriques pour la collecte d'informations provenant d'une multiplicite de postesInfo
- Publication number
- CA1142237A CA1142237A CA000327560A CA327560A CA1142237A CA 1142237 A CA1142237 A CA 1142237A CA 000327560 A CA000327560 A CA 000327560A CA 327560 A CA327560 A CA 327560A CA 1142237 A CA1142237 A CA 1142237A
- Authority
- CA
- Canada
- Prior art keywords
- frequency
- input
- signals
- output
- loop
- 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
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000013480 data collection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/165—Spectrum analysis; Fourier analysis using filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
- H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
- H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
- H03J7/285—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Circuits Of Receivers In General (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Mobile Radio Communication Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Superheterodyne Receivers (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Communication Control (AREA)
- Radio Relay Systems (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000408315A CA1144607A (fr) | 1978-05-17 | 1982-07-28 | Appareils radioelectriques pour la collecte d'informations provenant d'une multiplicite de postes |
| CA000408314A CA1143801A (fr) | 1978-05-17 | 1982-07-28 | Appareils radioelectriques pour la collecte d'informations provenant d'une multiplicite de postes |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7814626 | 1978-05-17 | ||
| FR7814626A FR2426367A1 (fr) | 1978-05-17 | 1978-05-17 | Perfectionnements aux appareils radio-electriques pour la collecte d'informations provenant d'une multiplicite de postes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1142237A true CA1142237A (fr) | 1983-03-01 |
Family
ID=9208342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000327560A Expired CA1142237A (fr) | 1978-05-17 | 1979-05-14 | Appareils radioelectriques pour la collecte d'informations provenant d'une multiplicite de postes |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS6013620B2 (ko) |
| CA (1) | CA1142237A (ko) |
| DE (3) | DE2953958C2 (ko) |
| FR (1) | FR2426367A1 (ko) |
| NO (3) | NO148505C (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2999839B1 (fr) * | 2012-12-14 | 2018-05-25 | Thales | Recepteur de signaux radiofrequence destine a etre installe sur un satellite |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984769A (en) * | 1956-07-26 | 1976-10-05 | American Standard, Inc. | Mixed-base intercept receiver |
| FR1605302A (ko) * | 1958-08-26 | 1974-08-02 | ||
| US3042800A (en) | 1960-07-01 | 1962-07-03 | Hughes Aircraft Co | Selective automatic gain control circuit |
| US3173087A (en) * | 1961-04-03 | 1965-03-09 | Collins Radio Co | Radio search and intercept system including serially connected frequency determining units with increasing passbands |
| GB1581525A (en) * | 1976-08-04 | 1980-12-17 | Plessey Co Ltd | Frequency synthesis control system |
-
1978
- 1978-05-17 FR FR7814626A patent/FR2426367A1/fr active Granted
-
1979
- 1979-05-14 CA CA000327560A patent/CA1142237A/fr not_active Expired
- 1979-05-16 DE DE2953958A patent/DE2953958C2/de not_active Expired
- 1979-05-16 DE DE2953957A patent/DE2953957C2/de not_active Expired
- 1979-05-16 DE DE2919839A patent/DE2919839C2/de not_active Expired
- 1979-05-16 NO NO791642A patent/NO148505C/no unknown
- 1979-05-17 JP JP54059786A patent/JPS6013620B2/ja not_active Expired
-
1982
- 1982-10-04 NO NO823329A patent/NO823329L/no unknown
- 1982-10-04 NO NO823328A patent/NO823328L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO148505C (no) | 1983-10-19 |
| DE2919839A1 (de) | 1979-12-20 |
| NO791642L (no) | 1979-11-20 |
| DE2919839C2 (de) | 1983-03-03 |
| NO823328L (no) | 1979-11-20 |
| JPS6013620B2 (ja) | 1985-04-08 |
| NO148505B (no) | 1983-07-11 |
| DE2953957C2 (de) | 1986-08-07 |
| DE2953958C2 (de) | 1987-04-30 |
| NO823329L (no) | 1979-11-20 |
| FR2426367B1 (ko) | 1982-04-09 |
| FR2426367A1 (fr) | 1979-12-14 |
| JPS5526795A (en) | 1980-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |