JPS6114551B2 - - Google Patents
Info
- Publication number
- JPS6114551B2 JPS6114551B2 JP56069818A JP6981881A JPS6114551B2 JP S6114551 B2 JPS6114551 B2 JP S6114551B2 JP 56069818 A JP56069818 A JP 56069818A JP 6981881 A JP6981881 A JP 6981881A JP S6114551 B2 JPS6114551 B2 JP S6114551B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- autocorrelation function
- output
- samples
- 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.)
- Expired
Links
- 238000005311 autocorrelation function Methods 0.000 claims abstract description 52
- 238000004364 calculation method Methods 0.000 claims description 36
- 238000012545 processing Methods 0.000 abstract description 11
- 238000005070 sampling Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 19
- 239000000047 product Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 230000003111 delayed effect Effects 0.000 description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 5
- 238000005314 correlation function Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- YTAHJIFKAKIKAV-XNMGPUDCSA-N [(1R)-3-morpholin-4-yl-1-phenylpropyl] N-[(3S)-2-oxo-5-phenyl-1,3-dihydro-1,4-benzodiazepin-3-yl]carbamate Chemical compound O=C1[C@H](N=C(C2=C(N1)C=CC=C2)C1=CC=CC=C1)NC(O[C@H](CCN1CCOCC1)C1=CC=CC=C1)=O YTAHJIFKAKIKAV-XNMGPUDCSA-N 0.000 description 1
- 239000013066 combination product Substances 0.000 description 1
- 229940127555 combination product Drugs 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/046—Systems or methods for reducing noise or bandwidth
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Complex Calculations (AREA)
- Image Processing (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56069818A JPS57185572A (en) | 1981-05-09 | 1981-05-09 | Calculating circuit for autocorrelation function |
| US06/373,437 US4587620A (en) | 1981-05-09 | 1982-04-30 | Noise elimination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56069818A JPS57185572A (en) | 1981-05-09 | 1981-05-09 | Calculating circuit for autocorrelation function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57185572A JPS57185572A (en) | 1982-11-15 |
| JPS6114551B2 true JPS6114551B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-04-19 |
Family
ID=13413715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56069818A Granted JPS57185572A (en) | 1981-05-09 | 1981-05-09 | Calculating circuit for autocorrelation function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57185572A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1981
- 1981-05-09 JP JP56069818A patent/JPS57185572A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57185572A (en) | 1982-11-15 |