GB1180218A - Improvements in or relating to Dispersive Devices - Google Patents
Improvements in or relating to Dispersive DevicesInfo
- Publication number
- GB1180218A GB1180218A GB3465066A GB3465066A GB1180218A GB 1180218 A GB1180218 A GB 1180218A GB 3465066 A GB3465066 A GB 3465066A GB 3465066 A GB3465066 A GB 3465066A GB 1180218 A GB1180218 A GB 1180218A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spacing
- solid
- dispersive
- guides
- coaxial
- 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
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 239000007787 solid Substances 0.000 abstract 3
- 239000006185 dispersion Substances 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 210000003739 neck Anatomy 0.000 abstract 1
- 230000001902 propagating effect Effects 0.000 abstract 1
- 239000011343 solid material Substances 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 abstract 1
- 229960000909 sulfur hexafluoride Drugs 0.000 abstract 1
- 229920003002 synthetic resin Polymers 0.000 abstract 1
- 239000000057 synthetic resin Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/30—Time-delay networks
- H03H9/40—Frequency dependent delay lines, e.g. dispersive delay lines
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
1,180,218. Delay lines. MARCONI CO. Ltd. 23 March, 1967 [2 Aug., 1966], No. 34650/66. Heading H3U. [Also in Division H1] A dispersive device for pulse compression or for so-called " passive generation " comprises a number of couplings spaced along a pair of waveguides which are themselves non-dispersive or only slightly dispersive. The wave-energy may be compressional or electromagnetic. In the latter case the guide may be of the coaxial type and the apparatus may take the form of two coaxial guides 2A, 2B (central conductors not shown) coupled by apertures 3 and terminated by absorptive means 2D, 2E. The apertures constitute the sources which are fed by waveguide 2A and produce a compressed pulse in waveguide 2B. The arrangement shown is for compressing a signal consisting of a linearly increasing frequency sweep and the spacing of the holes increases in the direction of propagation of the input signal. A mathematical discussion of the spacing of the holes required to give a chosen dispersion is given and the case of a signal consisting of linearly increasing wavelength components is also discussed. The spacing may take in account slight dispersion in the coaxial guides and the size of the coupling holes may be graded to compensate for the attenuation in the guides or to provide a desired frequency/attenuation spectrum. Where compressional waves are used, the propagating medium may be gaseous, liquid or solid, e.g. air, sulphur hexafluoride, water, aluminium, used with or without temperature control. Torsional or transverse modes may be used in solid media. Where the waveguides are solid bodies, the coupling means consists of " necks " of solid material constituted e.g. by spots of welded material or of synthetic resin adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3465066A GB1180218A (en) | 1966-08-02 | 1966-08-02 | Improvements in or relating to Dispersive Devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3465066A GB1180218A (en) | 1966-08-02 | 1966-08-02 | Improvements in or relating to Dispersive Devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1180218A true GB1180218A (en) | 1970-02-04 |
Family
ID=10368289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3465066A Expired GB1180218A (en) | 1966-08-02 | 1966-08-02 | Improvements in or relating to Dispersive Devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1180218A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2321649A1 (en) * | 1972-04-28 | 1973-11-15 | Donaldson Co Inc | NOISE REDUCTION DEVICE AND METHOD |
| CN118611633A (en) * | 2024-05-24 | 2024-09-06 | 东莞理工学院 | A compact microwave pulse compression dispersion system with coaxial structure |
-
1966
- 1966-08-02 GB GB3465066A patent/GB1180218A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2321649A1 (en) * | 1972-04-28 | 1973-11-15 | Donaldson Co Inc | NOISE REDUCTION DEVICE AND METHOD |
| CN118611633A (en) * | 2024-05-24 | 2024-09-06 | 东莞理工学院 | A compact microwave pulse compression dispersion system with coaxial structure |
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