DE2350939A1 - Vorrichtung und verfahren zur frequenzmessung - Google Patents
Vorrichtung und verfahren zur frequenzmessungInfo
- Publication number
- DE2350939A1 DE2350939A1 DE19732350939 DE2350939A DE2350939A1 DE 2350939 A1 DE2350939 A1 DE 2350939A1 DE 19732350939 DE19732350939 DE 19732350939 DE 2350939 A DE2350939 A DE 2350939A DE 2350939 A1 DE2350939 A1 DE 2350939A1
- Authority
- DE
- Germany
- Prior art keywords
- reference signals
- input signal
- harmonics
- frequency
- frequencies
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 22
- 238000005259 measurement Methods 0.000 title claims description 10
- 230000035559 beat frequency Effects 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 2
- 241001235655 Clione Species 0.000 claims 1
- 101100202291 Mus musculus Slc26a6 gene Proteins 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 230000015654 memory Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 101100275990 Drosophila melanogaster Naus gene Proteins 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 241000612162 Maesa Species 0.000 description 1
- 206010029897 Obsessive thoughts Diseases 0.000 description 1
- 241001233037 catfish Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- FESBVLZDDCQLFY-UHFFFAOYSA-N sete Chemical compound [Te]=[Se] FESBVLZDDCQLFY-UHFFFAOYSA-N 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000012976 tarts Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
-
- 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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4670072A GB1402163A (en) | 1972-10-10 | 1972-10-10 | Frequency measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2350939A1 true DE2350939A1 (de) | 1974-04-18 |
Family
ID=10442256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732350939 Withdrawn DE2350939A1 (de) | 1972-10-10 | 1973-10-10 | Vorrichtung und verfahren zur frequenzmessung |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2350939A1 (enExample) |
| FR (1) | FR2202294B1 (enExample) |
| GB (1) | GB1402163A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2845153A1 (de) * | 1977-10-31 | 1979-05-03 | Raytheon Co | Augenblicksfrequenz-messeinrichtung |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941086A (zh) * | 2014-03-25 | 2014-07-23 | 中国科学院长春光学精密机械与物理研究所 | 一种超高精度频率测量仪及其测量方法 |
| CN105425031B (zh) * | 2015-12-04 | 2018-01-30 | 广东电网有限责任公司电力科学研究院 | 从电力信号中获取零初相位基准正交倍频序列方法和系统 |
-
1972
- 1972-10-10 GB GB4670072A patent/GB1402163A/en not_active Expired
-
1973
- 1973-10-10 FR FR7336194A patent/FR2202294B1/fr not_active Expired
- 1973-10-10 DE DE19732350939 patent/DE2350939A1/de not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2845153A1 (de) * | 1977-10-31 | 1979-05-03 | Raytheon Co | Augenblicksfrequenz-messeinrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2202294A1 (enExample) | 1974-05-03 |
| FR2202294B1 (enExample) | 1981-04-17 |
| GB1402163A (en) | 1975-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2406630C2 (de) | Verfahren und Vorrichtung zur Durchflußgeschwindigkeitsmessung | |
| DE2335850A1 (de) | Verfahren und vorrichtung zur digitalen bestimmung eines zu prospektierungszwecken dienenden komplexen elektrischen feldes | |
| EP0844590A1 (de) | Verfahren zur fraktalen Bildcodierung und Anordnung zur Durchführung des Verfahrens | |
| DE2350939A1 (de) | Vorrichtung und verfahren zur frequenzmessung | |
| DE2355640A1 (de) | Anordnung zur spektralanalyse von elektrischen signalen | |
| DE2449034A1 (de) | Fluessigkristall-wiedergabeanordnung | |
| EP2198244B1 (de) | Verfahren zum betrieb eines navigationssystems | |
| DE3000561A1 (de) | Umlauf-funkpeiler | |
| DE2820326A1 (de) | Zeitmesser mit elektro-optischer anzeige | |
| DE1541401A1 (de) | Verfahren und Anordnung zur empfangsseitigen Aufbereitung des Kennungssignals eines Drehfunkfeuers | |
| Keil | Verschwörungstheorien und skeptische Hypothesen: immun gegen Gegenbelege? | |
| DE1816760A1 (de) | Verfahren und Vorrichtung zur Identifizierung von Frequenzen mittels logischer Kreise | |
| DE2346879A1 (de) | Mehrkanal-peiler nach dem watson-wattprinzip | |
| DE2740389C2 (de) | Verfahren und Anordnung zur Gewinnung enttrübter Peilkomponenten | |
| DE102005045183B4 (de) | Testvorrichtung und Verfahren zum Auswerten einer digitalisierten Testantwort | |
| DE2627931A1 (de) | Kanalbildungsvorrichtung | |
| Ruscoe et al. | Prolegomena to a definition of comparative education | |
| O'Connell | International law and boundary disputes | |
| Reese | FOLLOW-UP STUDY OF GRADUATES OF ELEVEN PUBLIC COMMUNITY COLLEGES IN MARYLAND (CLASSES OF 1959 THROUGH 1963). | |
| Groden | Junior high vs. middle school vs. adolescents | |
| DE2804110A1 (de) | Elektronische uhr | |
| Burt et al. | An irrigation modernization training programme | |
| Williams | The technique of the League of Nations | |
| DE1903980C3 (de) | Peilverfahren, hei dem die Ausgangs-Spannungen eines Zweikanalpeiler einem rotierenden Goniometer oder dergleichen zugeführt werden | |
| Sethaputra | Public intervention in farmer-managed irrigation systems: A Thai perspective |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8139 | Disposal/non-payment of the annual fee |