JPH0450783B2 - - Google Patents
Info
- Publication number
- JPH0450783B2 JPH0450783B2 JP15604487A JP15604487A JPH0450783B2 JP H0450783 B2 JPH0450783 B2 JP H0450783B2 JP 15604487 A JP15604487 A JP 15604487A JP 15604487 A JP15604487 A JP 15604487A JP H0450783 B2 JPH0450783 B2 JP H0450783B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- averaging
- square operation
- performs
- 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
- 238000012935 Averaging Methods 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000691 measurement method Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Dc Digital Transmission (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-156044A JPH01843A (ja) | 1987-06-23 | Ｃ／ｎ測定回路 | |
| DE3886107T DE3886107T2 (de) | 1987-06-23 | 1988-06-22 | Träger/Rausch-Detektor für digitale Übertragungssysteme. |
| EP88305685A EP0296822B1 (fr) | 1987-06-23 | 1988-06-22 | Détecteur du rapport porteuse/bruit pour systèmes de transmission numériques |
| EP92201171A EP0497433B1 (fr) | 1987-06-23 | 1988-06-22 | Système de démodulation à phase commandée pour communication numérique |
| CA000570052A CA1332450C (fr) | 1987-06-23 | 1988-06-22 | Detecteur de rapport porteuse sur bruit pour systemes de transmission numeriques |
| DE3854505T DE3854505T2 (de) | 1987-06-23 | 1988-06-22 | Phasengesteuerte Demodulationseinrichtung zur digitalen Kommunikation. |
| AU18248/88A AU594621B2 (en) | 1987-06-23 | 1988-06-22 | Carrier-to-noise detector for digital transmission systems |
| US07/210,653 US4835790A (en) | 1987-06-23 | 1988-06-23 | Carrier-to-noise detector for digital transmission systems |
| CA000616675A CA1333922C (fr) | 1987-06-23 | 1993-07-22 | Systeme de demodulation commande par la phase pour les communications numeriques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-156044A JPH01843A (ja) | 1987-06-23 | Ｃ／ｎ測定回路 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPS64843A JPS64843A (en) | 1989-01-05 |
| JPH01843A JPH01843A (ja) | 1989-01-05 |
| JPH0450783B2 true JPH0450783B2 (fr) | 1992-08-17 |
Family
ID=
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014521090A (ja) * | 2011-07-15 | 2014-08-25 | テラダイン・インコーポレーテッド | Ｄｕｔの信号特性を検出するためのａｔｅ |
| US10756829B1 (en) | 2019-12-03 | 2020-08-25 | Teradyne, Inc. | Determining error vector magnitude using cross-correlation |
| US11742970B1 (en) | 2022-07-21 | 2023-08-29 | Litepoint Corporation | Correcting error vector magnitude measurements |
| US11817913B1 (en) | 2022-05-11 | 2023-11-14 | Litepoint Corporation | Correcting error vector magnitude measurements |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014521090A (ja) * | 2011-07-15 | 2014-08-25 | テラダイン・インコーポレーテッド | Ｄｕｔの信号特性を検出するためのａｔｅ |
| US10756829B1 (en) | 2019-12-03 | 2020-08-25 | Teradyne, Inc. | Determining error vector magnitude using cross-correlation |
| US11817913B1 (en) | 2022-05-11 | 2023-11-14 | Litepoint Corporation | Correcting error vector magnitude measurements |
| US11742970B1 (en) | 2022-07-21 | 2023-08-29 | Litepoint Corporation | Correcting error vector magnitude measurements |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS64843A (en) | 1989-01-05 |
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| JPH0450783B2 (fr) | ||
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| JPH0134351B2 (fr) | ||
| De Witt et al. | Novel IQ imbalance and offset compensation techniques for quadrature mixing radio transceivers | |
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| JPH0479496B2 (fr) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |