JP2005181177A - 周波数検出方法 - Google Patents

周波数検出方法 Download PDF

Info

Publication number
JP2005181177A
JP2005181177A JP2003424400A JP2003424400A JP2005181177A JP 2005181177 A JP2005181177 A JP 2005181177A JP 2003424400 A JP2003424400 A JP 2003424400A JP 2003424400 A JP2003424400 A JP 2003424400A JP 2005181177 A JP2005181177 A JP 2005181177A
Authority
JP
Japan
Prior art keywords
data
time
predetermined
sampling
frequency
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.)
Pending
Application number
JP2003424400A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005181177A5 (enExample
Inventor
Rieko Oya
理絵子 大矢
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.)
Kokusai Denki Engineering Co Ltd
Original Assignee
Kokusai Denki Engineering 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 Kokusai Denki Engineering Co Ltd filed Critical Kokusai Denki Engineering Co Ltd
Priority to JP2003424400A priority Critical patent/JP2005181177A/ja
Publication of JP2005181177A publication Critical patent/JP2005181177A/ja
Publication of JP2005181177A5 publication Critical patent/JP2005181177A5/ja
Pending legal-status Critical Current

Links

Images

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP2003424400A 2003-12-22 2003-12-22 周波数検出方法 Pending JP2005181177A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003424400A JP2005181177A (ja) 2003-12-22 2003-12-22 周波数検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003424400A JP2005181177A (ja) 2003-12-22 2003-12-22 周波数検出方法

Publications (2)

Publication Number Publication Date
JP2005181177A true JP2005181177A (ja) 2005-07-07
JP2005181177A5 JP2005181177A5 (enExample) 2007-02-15

Family

ID=34784609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003424400A Pending JP2005181177A (ja) 2003-12-22 2003-12-22 周波数検出方法

Country Status (1)

Country Link
JP (1) JP2005181177A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6533024B1 (ja) * 2018-05-25 2019-06-19 株式会社東陽テクニカ スペクトラム分析方法及びその装置
JP2019109137A (ja) * 2017-12-19 2019-07-04 Tdk株式会社 放射妨害波測定装置及び放射妨害波測定方法
CN111487462A (zh) * 2020-04-21 2020-08-04 中国航天科工集团八五一一研究所 一种超快速测频方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019109137A (ja) * 2017-12-19 2019-07-04 Tdk株式会社 放射妨害波測定装置及び放射妨害波測定方法
JP6533024B1 (ja) * 2018-05-25 2019-06-19 株式会社東陽テクニカ スペクトラム分析方法及びその装置
WO2019225014A1 (ja) * 2018-05-25 2019-11-28 株式会社東陽テクニカ スペクトラム分析方法及びその装置
CN112136054A (zh) * 2018-05-25 2020-12-25 株式会社东阳特克尼卡 频谱分析方法以及其装置
US11268857B2 (en) 2018-05-25 2022-03-08 Toyo Corporation Spectrum analysis method and spectrum analysis apparatus
CN112136054B (zh) * 2018-05-25 2023-06-13 株式会社东阳特克尼卡 频谱分析方法、其装置以及记录介质
CN111487462A (zh) * 2020-04-21 2020-08-04 中国航天科工集团八五一一研究所 一种超快速测频方法
CN111487462B (zh) * 2020-04-21 2022-05-13 中国航天科工集团八五一一研究所 一种超快速测频方法

Similar Documents

Publication Publication Date Title
US8892430B2 (en) Noise detecting device and noise detecting method
US20050143981A1 (en) Compressing method and apparatus, expanding method and apparatus, compression and expansion system, recorded medium, program
KR100323011B1 (ko) 음성신호의피치주기추출장치
JP2005181177A (ja) 周波数検出方法
US4833717A (en) Voice spectrum analyzing system and method
EP1294207B1 (en) A method for performing measurements in a wireless terminal and a wireless terminal
JP5777041B2 (ja) 帯域拡張装置及びプログラム、並びに、音声通信装置
JP2006054540A (ja) 通信の同期方法
JP2008052117A (ja) 雑音除去装置、方法及びプログラム
JP2019086637A (ja) デジタル音声処理装置、デジタル音声処理方法、及びデジタル音声処理プログラム
JP2009237254A (ja) プログラム、情報記憶媒体、及び特定音認識システム
CN1174479A (zh) 色同步信号接收的方法和装置
JP6198630B2 (ja) 受信装置及び復調方法
DE602005012520D1 (de) Vorrichtungen zur Signal-Spreizung bzw. -Entspreizung zur Einhaltung einer zulässigen ausseraxialen Leistungsspektraldichte in der Funkkommunikation
JP2001332972A (ja) 信号処理装置および信号処理方法
JP7618116B1 (ja) 信号検出回路
JP3646702B2 (ja) 周波数分析装置
US20010026581A1 (en) Spread spectrum signal processing apparatus and spread spectrum communication system
JP2002116225A (ja) シリアルパターントリガ回路
JP3895235B2 (ja) クロック生成方法及び回路並びにa/d変換方法及び装置
JPH10173632A (ja) 受信装置
WO2004055983A8 (en) Digital sampling frequency converter
CN101377926A (zh) 加速量化循环程序功能的音频编码方法
JP4807384B2 (ja) 電話通信システム、多周波信号受信方法、およびプログラム
JP2004222023A (ja) 受信フレームのシンボル境界検出回路および方法

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061219

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20061219

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20061219

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090227

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090303

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20090630