JPS5735764A - Fundamental frequency measuring device - Google Patents
Fundamental frequency measuring deviceInfo
- Publication number
- JPS5735764A JPS5735764A JP11070680A JP11070680A JPS5735764A JP S5735764 A JPS5735764 A JP S5735764A JP 11070680 A JP11070680 A JP 11070680A JP 11070680 A JP11070680 A JP 11070680A JP S5735764 A JPS5735764 A JP S5735764A
- Authority
- JP
- Japan
- Prior art keywords
- adds
- arithmetic device
- fourier coefficient
- fourier
- fundamental 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11070680A JPS5735764A (en) | 1980-08-12 | 1980-08-12 | Fundamental frequency measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11070680A JPS5735764A (en) | 1980-08-12 | 1980-08-12 | Fundamental frequency measuring device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5735764A true JPS5735764A (en) | 1982-02-26 |
Family
ID=14542387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11070680A Pending JPS5735764A (en) | 1980-08-12 | 1980-08-12 | Fundamental frequency measuring device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5735764A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63183719U (ja) * | 1987-05-18 | 1988-11-25 | ||
JPH03240317A (ja) * | 1990-02-19 | 1991-10-25 | Alps Electric Co Ltd | ディジタルpll回路 |
CN103048539A (zh) * | 2012-12-28 | 2013-04-17 | 南京工程学院 | 一种音频取证中电网频率的精确采集装置及方法 |
-
1980
- 1980-08-12 JP JP11070680A patent/JPS5735764A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63183719U (ja) * | 1987-05-18 | 1988-11-25 | ||
JPH03240317A (ja) * | 1990-02-19 | 1991-10-25 | Alps Electric Co Ltd | ディジタルpll回路 |
CN103048539A (zh) * | 2012-12-28 | 2013-04-17 | 南京工程学院 | 一种音频取证中电网频率的精确采集装置及方法 |
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