JPS50159367A - - Google Patents
Info
- Publication number
- JPS50159367A JPS50159367A JP50054196A JP5419675A JPS50159367A JP S50159367 A JPS50159367 A JP S50159367A JP 50054196 A JP50054196 A JP 50054196A JP 5419675 A JP5419675 A JP 5419675A JP S50159367 A JPS50159367 A JP S50159367A
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/165—Spectrum analysis; Fourier analysis using filters
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/467,407 US3978403A (en) | 1974-05-06 | 1974-05-06 | Automatic tracking signal analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50159367A true JPS50159367A (cg-RX-API-DMAC7.html) | 1975-12-23 |
| JPS5432587B2 JPS5432587B2 (cg-RX-API-DMAC7.html) | 1979-10-15 |
Family
ID=23855564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5419675A Expired JPS5432587B2 (cg-RX-API-DMAC7.html) | 1974-05-06 | 1975-05-06 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3978403A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5432587B2 (cg-RX-API-DMAC7.html) |
| CA (1) | CA1022235A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2520372A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2270593B1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1474151A (cg-RX-API-DMAC7.html) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208626A (en) * | 1978-03-06 | 1980-06-17 | Bunker Ramo Corporation | Precision timing source for multiple rate sampling of high-speed waveforms |
| DE2914143C2 (de) * | 1979-04-07 | 1981-10-01 | Rohde & Schwarz GmbH & Co KG, 8000 München | Gerät zum Untersuchen eines nach der Frequenz ausgewählten einzelnen Hochfrequenzsignales eines breiten Frequenzbandes |
| GB2055212B (en) * | 1979-07-27 | 1983-03-30 | Marconi Instruments Ltd | Electrical test instruments |
| JPS5698660A (en) * | 1980-01-09 | 1981-08-08 | Advantest Corp | Frequency measuring device |
| FR2483083A1 (fr) * | 1980-05-23 | 1981-11-27 | Adret Electronique | Analyseur de spectre hyperfrequence a oscillateur local synthetise |
| US4345206A (en) * | 1980-06-10 | 1982-08-17 | Motorola Inc. | Frequency and frequency error counting in test apparatus |
| US4414504A (en) * | 1980-11-05 | 1983-11-08 | Motorola Inc. | Fractional doppler counting |
| US4430611A (en) | 1981-07-29 | 1984-02-07 | The United States Of America As Represented By The United States Department Of Energy | Frequency spectrum analyzer with phase-lock |
| US4568878A (en) * | 1984-03-19 | 1986-02-04 | Tektronix, Inc. | Spectrum analyzers |
| SE8403225D0 (sv) * | 1984-06-15 | 1984-06-15 | Asea Ab | Metod for fastlast sampling av en periodisk signal |
| US4710702A (en) * | 1985-04-13 | 1987-12-01 | Anritsu Corporation | Heterodyne type signal-measuring method and a measuring apparatus including automatic detuning correction means |
| US4737719A (en) * | 1986-05-21 | 1988-04-12 | Halliburton Company | Coherent detection system for use in induction well logging apparatus |
| US4728884A (en) * | 1986-10-09 | 1988-03-01 | Tektronix, Inc. | Infinite dynamic range phase detector |
| US4902960A (en) * | 1988-03-17 | 1990-02-20 | Myron Zucker, Inc. | Voltage input for harmonimeter, and methods of constructing and utilizing same |
| US4918381A (en) * | 1989-04-06 | 1990-04-17 | Hewlett-Packard Company | Automated method for determining total harmonic distortion |
| US6636816B1 (en) * | 1999-09-21 | 2003-10-21 | Steven L. Dvorak | Vector signal analysis method and apparatus therefor |
| CN101852826B (zh) * | 2009-03-30 | 2012-09-05 | 西门子公司 | 一种电力系统的谐波分析方法及其装置 |
| CN103176004A (zh) * | 2011-12-21 | 2013-06-26 | 北京普源精电科技有限公司 | 一种提供正弦波时钟的方法、装置和频谱分析仪 |
| CN111654312B (zh) * | 2020-07-16 | 2021-07-23 | 国网河南省电力公司周口供电公司 | 电力载波通信设备 |
| CN111654313B (zh) * | 2020-07-16 | 2021-07-23 | 国网河南省电力公司周口供电公司 | 电力载波信号发送模块、电力载波信号接收模块 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3310744A (en) * | 1958-05-12 | 1967-03-21 | Trw Inc | Receiver for determining the frequency of an intercepted signal |
| US3621388A (en) * | 1968-11-04 | 1971-11-16 | Spectral Dynamics Corp | Electronic wave analyzer for determining the frequency and amplitude of components in a complex waveform |
| US3588730A (en) * | 1969-11-10 | 1971-06-28 | Gordon Eng Co | Variable frequency generator combining outputs of two phase locked loops |
| US3611175A (en) * | 1970-03-26 | 1971-10-05 | Sylvania Electric Prod | Search circuit for frequency synthesizer |
| US3716785A (en) * | 1971-06-22 | 1973-02-13 | Westinghouse Electric Corp | Digitally controlled wave analyzer |
| US3805192A (en) * | 1972-08-09 | 1974-04-16 | Electronic Communications | Frequency modulator-variable frequency generator |
-
1974
- 1974-05-06 US US05/467,407 patent/US3978403A/en not_active Expired - Lifetime
-
1975
- 1975-04-28 CA CA225,653A patent/CA1022235A/en not_active Expired
- 1975-04-30 GB GB1796475A patent/GB1474151A/en not_active Expired
- 1975-05-05 FR FR7513903A patent/FR2270593B1/fr not_active Expired
- 1975-05-05 DE DE19752520372 patent/DE2520372A1/de active Pending
- 1975-05-06 JP JP5419675A patent/JPS5432587B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3978403A (en) | 1976-08-31 |
| FR2270593B1 (cg-RX-API-DMAC7.html) | 1979-06-22 |
| FR2270593A1 (cg-RX-API-DMAC7.html) | 1975-12-05 |
| JPS5432587B2 (cg-RX-API-DMAC7.html) | 1979-10-15 |
| GB1474151A (en) | 1977-05-18 |
| DE2520372A1 (de) | 1975-11-20 |
| CA1022235A (en) | 1977-12-06 |