FR2500168A1 - Phasemetre numerique d'asservissement - Google Patents
Phasemetre numerique d'asservissement Download PDFInfo
- Publication number
- FR2500168A1 FR2500168A1 FR8103008A FR8103008A FR2500168A1 FR 2500168 A1 FR2500168 A1 FR 2500168A1 FR 8103008 A FR8103008 A FR 8103008A FR 8103008 A FR8103008 A FR 8103008A FR 2500168 A1 FR2500168 A1 FR 2500168A1
- Authority
- FR
- France
- Prior art keywords
- input
- output
- phase
- counter
- switching element
- 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
- 238000000819 phase cycle Methods 0.000 claims abstract description 40
- 230000002441 reversible effect Effects 0.000 claims description 43
- 238000005259 measurement Methods 0.000 abstract description 13
- 230000036039 immunity Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 244000045947 parasite Species 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
- G01R25/08—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents by counting of standard pulses
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
- G01S1/304—Analogous systems in which a beat frequency, obtained by heterodyning the signals, is compared in phase with a reference signal obtained by heterodyning the signals in a fixed reference point and transmitted therefrom, e.g. LORAC (long range accuracy) or TORAN systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measuring Phase Differences (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8103008A FR2500168A1 (fr) | 1981-02-16 | 1981-02-16 | Phasemetre numerique d'asservissement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8103008A FR2500168A1 (fr) | 1981-02-16 | 1981-02-16 | Phasemetre numerique d'asservissement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2500168A1 true FR2500168A1 (fr) | 1982-08-20 |
| FR2500168B1 FR2500168B1 (enrdf_load_stackoverflow) | 1983-11-10 |
Family
ID=9255248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8103008A Granted FR2500168A1 (fr) | 1981-02-16 | 1981-02-16 | Phasemetre numerique d'asservissement |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2500168A1 (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3689926A (en) * | 1968-07-05 | 1972-09-05 | Neo Tec Etude Applic Tech | Radio direction-finding method and a device for implementing said method |
-
1981
- 1981-02-16 FR FR8103008A patent/FR2500168A1/fr active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3689926A (en) * | 1968-07-05 | 1972-09-05 | Neo Tec Etude Applic Tech | Radio direction-finding method and a device for implementing said method |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2500168B1 (enrdf_load_stackoverflow) | 1983-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |