SE427604B - Apparat for att alstra en modulerad vag som har multipla sidbandpar med effekter som approximerar beragens effekt - Google Patents
Apparat for att alstra en modulerad vag som har multipla sidbandpar med effekter som approximerar beragens effektInfo
- Publication number
- SE427604B SE427604B SE7813206A SE7813206A SE427604B SE 427604 B SE427604 B SE 427604B SE 7813206 A SE7813206 A SE 7813206A SE 7813206 A SE7813206 A SE 7813206A SE 427604 B SE427604 B SE 427604B
- Authority
- SE
- Sweden
- Prior art keywords
- frequency
- modulation
- signal
- channel
- harmonic
- Prior art date
Links
- 230000000694 effects Effects 0.000 title claims description 12
- 238000001228 spectrum Methods 0.000 description 38
- 230000003750 conditioning effect Effects 0.000 description 15
- 230000003595 spectral effect Effects 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002494 Zein Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
Landscapes
- Amplitude Modulation (AREA)
- Radar Systems Or Details Thereof (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/864,946 US4130811A (en) | 1977-12-27 | 1977-12-27 | Modulation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7813206L SE7813206L (sv) | 1979-06-28 |
| SE427604B true SE427604B (sv) | 1983-04-18 |
Family
ID=25344386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7813206A SE427604B (sv) | 1977-12-27 | 1978-12-21 | Apparat for att alstra en modulerad vag som har multipla sidbandpar med effekter som approximerar beragens effekt |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4130811A (enExample) |
| JP (2) | JPS5492111A (enExample) |
| DE (1) | DE2852718C2 (enExample) |
| FR (1) | FR2413815A1 (enExample) |
| GB (1) | GB2011206B (enExample) |
| IL (1) | IL55978A0 (enExample) |
| SE (1) | SE427604B (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5985166A (ja) * | 1982-10-29 | 1984-05-17 | Fujitsu Ltd | 位相変調器 |
| US4481645A (en) * | 1982-12-29 | 1984-11-06 | At&T Bell Laboratories | Linear distortion canceller circuit |
| DE69022467T2 (de) * | 1989-04-21 | 1996-02-08 | Marconi Instruments Ltd | Modulierung von Nachbarkanälen. |
| GB8909127D0 (en) * | 1989-04-21 | 1989-06-07 | Marconi Instruments Ltd | Modulation of adjacent channels |
| US5045799A (en) * | 1989-09-28 | 1991-09-03 | Rockwell International Corporation | Peak to average power ratio reduction in a power amplifier with multiple carrier input |
| US5133083A (en) * | 1990-01-12 | 1992-07-21 | Hewlett-Packard Company | Adjacent channel selectivity signal generator system |
| US6823021B1 (en) | 2000-10-27 | 2004-11-23 | Greenwich Technologies Associates | Method and apparatus for space division multiple access receiver |
| US7965794B2 (en) | 2000-05-05 | 2011-06-21 | Greenwich Technologies Associates | Method and apparatus for broadcasting with spatially diverse signals |
| EP1295150A2 (en) * | 2000-05-05 | 2003-03-26 | Greenwich Technologies | Remote sensing using rayleigh signaling |
| US9225369B2 (en) * | 2014-01-17 | 2015-12-29 | Qualcomm Incorporated | Filtering blocker components of a signal |
| CN121000228A (zh) | 2019-03-14 | 2025-11-21 | 混合信号设备股份有限公司 | 数模转换器（dac）和模数转换器（adc）的线性化和相关方法 |
| US12123968B2 (en) * | 2021-02-05 | 2024-10-22 | Mixed-Signal Devices Inc. | Systems and methods for digital signal chirp generation using frequency multipliers |
| WO2026013738A1 (ja) * | 2024-07-08 | 2026-01-15 | Ｎｔｔ株式会社 | 変調器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2478973A (en) * | 1948-04-05 | 1949-08-16 | Ct Res Lab Inc | Variable wave generator |
| US3037190A (en) * | 1956-07-20 | 1962-05-29 | Rca Corp | Information transmission system |
| US3100284A (en) * | 1960-08-31 | 1963-08-06 | Quentin A Kerns | Pulse synthesizing generator |
| US3300726A (en) * | 1964-03-18 | 1967-01-24 | Gen Motors Corp | Sine spectrum generator |
| US4052740A (en) * | 1976-03-19 | 1977-10-04 | Ampex Corporation | Moire interference reducing circuit for fm video recorders |
-
1977
- 1977-12-27 US US05/864,946 patent/US4130811A/en not_active Expired - Lifetime
-
1978
- 1978-11-17 IL IL55978A patent/IL55978A0/xx not_active IP Right Cessation
- 1978-12-06 DE DE2852718A patent/DE2852718C2/de not_active Expired
- 1978-12-15 JP JP15430778A patent/JPS5492111A/ja active Pending
- 1978-12-21 GB GB7849417A patent/GB2011206B/en not_active Expired
- 1978-12-21 SE SE7813206A patent/SE427604B/sv not_active IP Right Cessation
- 1978-12-26 FR FR7836369A patent/FR2413815A1/fr active Granted
-
1987
- 1987-05-07 JP JP1987068454U patent/JPS62188841U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2413815B1 (enExample) | 1983-11-25 |
| US4130811A (en) | 1978-12-19 |
| DE2852718A1 (de) | 1979-06-28 |
| DE2852718C2 (de) | 1983-08-25 |
| IL55978A0 (en) | 1981-05-20 |
| FR2413815A1 (fr) | 1979-07-27 |
| SE7813206L (sv) | 1979-06-28 |
| GB2011206A (en) | 1979-07-04 |
| GB2011206B (en) | 1982-08-18 |
| JPS5492111A (en) | 1979-07-21 |
| JPS62188841U (enExample) | 1987-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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