http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-WO2004104620-A1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01S3-74 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01S3-46 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S5-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01Q3-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S3-46 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S3-74 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04B7-10 |
| filingDate | 2003-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2006-07-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-WO2004104620-A1 |
| titleOfInvention | Direction-of-arrival estimation method and reception beam forming apparatus without using eigenvalue decomposition |
| abstract | The incoming radio waves are received by a plurality of array antenna elements constituting the array antenna, the correlation of the received data of several array antenna elements is calculated, and a correlation matrix that is not affected by the additional noise existing in each array antenna element is obtained. create. Next, a noise subspace is obtained from a correlation matrix created by a simple linear operation based on the division of the array response matrix, and a signal incident on the array antenna is estimated. Since the correlation between all array antenna element reception data is calculated and eigenvalue decomposition is not required, the amount of calculation is reduced and the noise resistance is improved. |
| priorityDate | 2003-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID161104 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID453095146 |
Total number of triples: 16.