JPS5118581A - - Google Patents
Info
- Publication number
- JPS5118581A JPS5118581A JP50079476A JP7947675A JPS5118581A JP S5118581 A JPS5118581 A JP S5118581A JP 50079476 A JP50079476 A JP 50079476A JP 7947675 A JP7947675 A JP 7947675A JP S5118581 A JPS5118581 A JP S5118581A
- 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.)
- 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
- G01R23/16—Spectrum analysis; Fourier analysis
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US483899A US3903401A (en) | 1974-06-27 | 1974-06-27 | Spectrum analyzer using delta modulation encoding |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5118581A true JPS5118581A (ja) | 1976-02-14 |
Family
ID=23921952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50079476A Pending JPS5118581A (ja) | 1974-06-27 | 1975-06-27 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3903401A (ja) |
JP (1) | JPS5118581A (ja) |
CA (1) | CA1020278A (ja) |
DE (1) | DE2528591A1 (ja) |
FR (1) | FR2276735A1 (ja) |
GB (1) | GB1517583A (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4486850A (en) * | 1974-11-11 | 1984-12-04 | Hyatt Gilbert P | Incremental digital filter |
US5459846A (en) * | 1988-12-02 | 1995-10-17 | Hyatt; Gilbert P. | Computer architecture system having an imporved memory |
US4581715A (en) * | 1970-12-28 | 1986-04-08 | Hyatt Gilbert P | Fourier transform processor |
US4553213A (en) * | 1970-12-28 | 1985-11-12 | Hyatt Gilbert P | Communication system |
US4744042A (en) * | 1970-12-28 | 1988-05-10 | Hyatt Gilbert P | Transform processor system having post processing |
US4551816A (en) * | 1970-12-28 | 1985-11-05 | Hyatt Gilbert P | Filter display system |
US4944036A (en) * | 1970-12-28 | 1990-07-24 | Hyatt Gilbert P | Signature filter system |
US4686655A (en) * | 1970-12-28 | 1987-08-11 | Hyatt Gilbert P | Filtering system for processing signature signals |
US4553221A (en) * | 1970-12-28 | 1985-11-12 | Hyatt Gilbert P | Digital filtering system |
US5053983A (en) * | 1971-04-19 | 1991-10-01 | Hyatt Gilbert P | Filter system having an adaptive control for updating filter samples |
GB1545784A (en) * | 1975-05-14 | 1979-05-16 | Emi Ltd | Measuring arrangements for electrical currents |
DE2737812C3 (de) * | 1977-08-22 | 1985-11-21 | Horst-Artur Prof. Dr.-Ing. 5860 Iserlohn Crostack | Verfahren zur Frequenzanalyse von transienten (einmaligen) Schallimpulsen |
FR2424669A1 (fr) * | 1978-04-27 | 1979-11-23 | Materiel Telephonique | Dispositifs analyseurs numeriques de spectres |
US4296374A (en) * | 1979-10-11 | 1981-10-20 | Bell Telephone Laboratories, Incorporated | Wideband digital spectrometer |
BE892241A (fr) * | 1982-02-23 | 1982-06-16 | Dev Et D Industrialisation Des | Circuit de calcul rapide de la transformee de fourier discrete d'un signal, destine notamment a un appareil de controle par courants de foucault. |
JPS60105979A (ja) * | 1983-11-11 | 1985-06-11 | Hirai Akira | 信号処理装置 |
US4730257A (en) * | 1985-01-25 | 1988-03-08 | Szeto Lai Wan M | Apparatus for analyzing signals, to obtain parameters of constituents |
US4901244A (en) * | 1985-01-25 | 1990-02-13 | Szeto Lai Wan M | Apparatus for, and method of, analyzing signals |
US5122731A (en) * | 1991-02-25 | 1992-06-16 | The United States Of America As Represented By The Administrator, National Aeronautics And Space Adnministration | Method and apparatus for frequency spectrum analysis |
US5668545A (en) * | 1995-06-26 | 1997-09-16 | Industrial Technology Research Institute | Simplified encoding apparatus and method for pilot tone modulation in automatic-track-following |
US5793323A (en) * | 1996-11-25 | 1998-08-11 | The United States Of America As Represented By The Secretary Of The Air Force | Two signal monobit electronic warfare receiver |
US20120071108A1 (en) * | 2010-09-20 | 2012-03-22 | Mediatek Inc. | Radio Frequency Signal Control Module and Radio Frequency Signal Controlling Method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3544894A (en) * | 1967-07-10 | 1970-12-01 | Bell Telephone Labor Inc | Apparatus for performing complex wave analysis |
US3581199A (en) * | 1967-09-01 | 1971-05-25 | Industrial Nucleonics Corp | Spectrum analyzer including sampling and scaling means |
FR2116224B1 (ja) * | 1970-10-29 | 1974-10-31 | Ibm France | |
US3703688A (en) * | 1971-04-07 | 1972-11-21 | Bell Telephone Labor Inc | Digital adaptive-to-linear delta modulated signal converter |
-
1974
- 1974-06-27 US US483899A patent/US3903401A/en not_active Expired - Lifetime
-
1975
- 1975-04-15 CA CA224,599A patent/CA1020278A/en not_active Expired
- 1975-06-25 GB GB26866/75A patent/GB1517583A/en not_active Expired
- 1975-06-26 FR FR7520144A patent/FR2276735A1/fr active Granted
- 1975-06-26 DE DE19752528591 patent/DE2528591A1/de not_active Withdrawn
- 1975-06-27 JP JP50079476A patent/JPS5118581A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2276735A1 (fr) | 1976-01-23 |
GB1517583A (en) | 1978-07-12 |
CA1020278A (en) | 1977-11-01 |
US3903401A (en) | 1975-09-02 |
DE2528591A1 (de) | 1976-01-15 |
FR2276735B1 (ja) | 1979-02-16 |