http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107070495-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7e8981e2e6d9d9a47bf626005c8a8639 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04J13-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04J13-004 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04B1-707 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04B14-023 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04B14-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04B1-707 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04J13-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04J13-00 |
| filingDate | 2017-06-15^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dffb8ae6ee7c8fc5bf05e449cb7826b6 |
| publicationDate | 2017-08-18^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107070495-A |
| titleOfInvention | A kind of spread spectrum modulation technique based on cyclic shift orthogonal code |
| abstract | The invention discloses a kind of spread spectrum modulation technique based on cyclic shift orthogonal code, binary digital information waiting for transmission is produced 32 frequency expansion sequences by this method by 32 cyclic shift orthogonal code spread spectrum modulation；32 frequency expansion sequences are converted to by the bipolarity NRZ sequence that dutycycle is 1/3rd by sequence transformation again；By serioparallel exchange, the bipolarity NRZ sequence of serial arrangement is converted to the bipolarity NRZ sequence of 32 parallel arrangeds；Orthogonal pulses amplitude modulation(PAM) is carried out with 32 DPSS sequences respectively by orthogonal pulses amplitude modulation(PAM) mode, then by the bipolarity NRZ sequence of 32 parallel arrangeds, the orthogonal DPSS modulated signals of 32 tunnel parallel arrangeds are produced；By superposition, the orthogonal DPSS modulated signals superposition of 32 tunnel parallel arrangeds is synthesized into signal all the way.The present invention improves anti-bursty interference ability, secrecy ability and the information transmitting efficiency of modulated signal. |
| priorityDate | 2017-06-15^^<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/substance/SID426285518 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID71464633 |
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