BE453186A - - Google Patents
Info
- Publication number
- BE453186A BE453186A BE453186DA BE453186A BE 453186 A BE453186 A BE 453186A BE 453186D A BE453186D A BE 453186DA BE 453186 A BE453186 A BE 453186A
- Authority
- BE
- Belgium
- Prior art keywords
- frequency
- antenna
- emi
- oscillations
- beat
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000035559 beat frequency Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (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 |
|---|---|---|---|
| NL244633X | 1942-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE453186A true BE453186A (Direct) |
Family
ID=19780777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE453186D BE453186A (Direct) | 1942-11-16 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE453186A (Direct) |
| CH (1) | CH244633A (Direct) |
| FR (1) | FR899774A (Direct) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4030172A1 (de) * | 1990-09-24 | 1992-03-26 | Rtt Thueringer Textilwerke Urs | Mischfaservlies mit schafschurwolle und verfahren zu seiner herstellung |
-
0
- BE BE453186D patent/BE453186A/fr unknown
-
1943
- 1943-11-15 CH CH244633D patent/CH244633A/de unknown
- 1943-11-15 FR FR899774D patent/FR899774A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR899774A (fr) | 1945-06-11 |
| CH244633A (de) | 1946-09-30 |
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