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
Application number
JP15604487A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01843A (ja
JPS64843A (en
Inventor
Naomasa Yoshida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP15604487A priority Critical patent/JPS64843A/ja
Priority to EP88305685A priority patent/EP0296822B1/en
Priority to DE3886107T priority patent/DE3886107T2/de
Priority to CA000570052A priority patent/CA1332450C/en
Priority to EP92201171A priority patent/EP0497433B1/en
Priority to AU18248/88A priority patent/AU594621B2/en
Priority to DE3854505T priority patent/DE3854505T2/de
Priority to US07/210,653 priority patent/US4835790A/en
Publication of JPH01843A publication Critical patent/JPH01843A/ja
Publication of JPS64843A publication Critical patent/JPS64843A/ja
Publication of JPH0450783B2 publication Critical patent/JPH0450783B2/ja
Priority to CA000616675A priority patent/CA1333922C/en
Granted legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
JP15604487A 1987-06-23 1987-06-23 C/n measuring circuit Granted JPS64843A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP15604487A JPS64843A (en) 1987-06-23 1987-06-23 C/n measuring circuit
AU18248/88A AU594621B2 (en) 1987-06-23 1988-06-22 Carrier-to-noise detector for digital transmission systems
DE3886107T DE3886107T2 (de) 1987-06-23 1988-06-22 Träger/Rausch-Detektor für digitale Übertragungssysteme.
CA000570052A CA1332450C (en) 1987-06-23 1988-06-22 Carrier-to-noise detector for digital transmission systems
EP92201171A EP0497433B1 (en) 1987-06-23 1988-06-22 Phase controlled demodulation system for digital communication
EP88305685A EP0296822B1 (en) 1987-06-23 1988-06-22 Carrier-to-noise detector for digital transmission systems
DE3854505T DE3854505T2 (de) 1987-06-23 1988-06-22 Phasengesteuerte Demodulationseinrichtung zur digitalen Kommunikation.
US07/210,653 US4835790A (en) 1987-06-23 1988-06-23 Carrier-to-noise detector for digital transmission systems
CA000616675A CA1333922C (en) 1987-06-23 1993-07-22 Phase controlled demodulation system for digital communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15604487A JPS64843A (en) 1987-06-23 1987-06-23 C/n measuring circuit

Publications (3)

Publication Number Publication Date
JPH01843A JPH01843A (ja) 1989-01-05
JPS64843A JPS64843A (en) 1989-01-05
JPH0450783B2 true JPH0450783B2 (en]) 1992-08-17

Family

ID=15619093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15604487A Granted JPS64843A (en) 1987-06-23 1987-06-23 C/n measuring circuit

Country Status (1)

Country Link
JP (1) JPS64843A (en])

Cited By (4)

* Cited by examiner, † Cited by third party
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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2513315B2 (ja) * 1989-05-31 1996-07-03 日本電気株式会社 搬送波電力対雑音電力比検出回路

Cited By (4)

* Cited by examiner, † Cited by third party
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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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term