JPS5822030A - 周期測定装置 - Google Patents
周期測定装置Info
- Publication number
- JPS5822030A JPS5822030A JP56120453A JP12045381A JPS5822030A JP S5822030 A JPS5822030 A JP S5822030A JP 56120453 A JP56120453 A JP 56120453A JP 12045381 A JP12045381 A JP 12045381A JP S5822030 A JPS5822030 A JP S5822030A
- Authority
- JP
- Japan
- Prior art keywords
- peak
- period
- autocorrelation function
- value
- time
- 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.)
- Granted
Links
- 238000005311 autocorrelation function Methods 0.000 claims description 100
- 238000004364 calculation method Methods 0.000 claims description 72
- 238000005070 sampling Methods 0.000 claims description 50
- 238000001514 detection method Methods 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 21
- 238000000691 measurement method Methods 0.000 claims description 20
- 238000005314 correlation function Methods 0.000 claims description 9
- 240000003473 Grevillea banksii Species 0.000 claims description 2
- 230000015654 memory Effects 0.000 description 30
- 238000000034 method Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 7
- 238000007792 addition Methods 0.000 description 5
- 238000012790 confirmation Methods 0.000 description 4
- 230000001605 fetal effect Effects 0.000 description 4
- 210000003754 fetus Anatomy 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 2
- 210000002458 fetal heart Anatomy 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Landscapes
- Measurement Of Unknown Time Intervals (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56120453A JPS5822030A (ja) | 1981-07-31 | 1981-07-31 | 周期測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56120453A JPS5822030A (ja) | 1981-07-31 | 1981-07-31 | 周期測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5822030A true JPS5822030A (ja) | 1983-02-09 |
| JPH0123069B2 JPH0123069B2 (en, 2012) | 1989-04-28 |
Family
ID=14786555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56120453A Granted JPS5822030A (ja) | 1981-07-31 | 1981-07-31 | 周期測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5822030A (en, 2012) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS535888A (en) * | 1976-07-05 | 1978-01-19 | Toitsu Kogyo Kk | System for counting fatal pulse |
-
1981
- 1981-07-31 JP JP56120453A patent/JPS5822030A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS535888A (en) * | 1976-07-05 | 1978-01-19 | Toitsu Kogyo Kk | System for counting fatal pulse |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0123069B2 (en, 2012) | 1989-04-28 |
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