{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:XPDVIO2NA6EFVSUL3FQAGWWXZ2","short_pith_number":"pith:XPDVIO2N","schema_version":"1.0","canonical_sha256":"bbc7543b4d07885aca8bd960035ad7ceab07a82fa7af33dd0f67aae1cbcc9adc","source":{"kind":"arxiv","id":"1005.3350","version":2},"attestation_state":"computed","paper":{"title":"Minimum Variance Multi-Frequency Distortionless Restriction for Digital Wideband Beamformer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Jia Xu, Qun Wan, Yingning Peng, Yipeng Liu","submitted_at":"2010-05-19T02:07:50Z","abstract_excerpt":"This paper proposes a digital amplitude-phase weighting array based a minimum variance multi-frequency distortionless restriction (MVMFDR) to aviod the frequency band signal distortion in digital beamformer and too short time delay line (TDL) requirement in analoge wideband TDL array."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1005.3350","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2010-05-19T02:07:50Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"388dbdb4c8e8569e2236b7b89e57a696609c174378a989183a23992d36eca1b6","abstract_canon_sha256":"3931fa0c60ae5890c730a20388327d45c82b5b7a0928dad9994ff1286737c249"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:43.749211Z","signature_b64":"1wDsBj1nu0b3thJ10W//Pa03aU1ieFRIZtPfFprIKXYhkTi/U9hbtUeoGSqWHh0/hfC6klxw/H89kIkSAin/CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbc7543b4d07885aca8bd960035ad7ceab07a82fa7af33dd0f67aae1cbcc9adc","last_reissued_at":"2026-05-18T04:19:43.748548Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:43.748548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Minimum Variance Multi-Frequency Distortionless Restriction for Digital Wideband Beamformer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Jia Xu, Qun Wan, Yingning Peng, Yipeng Liu","submitted_at":"2010-05-19T02:07:50Z","abstract_excerpt":"This paper proposes a digital amplitude-phase weighting array based a minimum variance multi-frequency distortionless restriction (MVMFDR) to aviod the frequency band signal distortion in digital beamformer and too short time delay line (TDL) requirement in analoge wideband TDL array."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3350","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1005.3350","created_at":"2026-05-18T04:19:43.748662+00:00"},{"alias_kind":"arxiv_version","alias_value":"1005.3350v2","created_at":"2026-05-18T04:19:43.748662+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3350","created_at":"2026-05-18T04:19:43.748662+00:00"},{"alias_kind":"pith_short_12","alias_value":"XPDVIO2NA6EF","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_16","alias_value":"XPDVIO2NA6EFVSUL","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_8","alias_value":"XPDVIO2N","created_at":"2026-05-18T12:26:17.028572+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XPDVIO2NA6EFVSUL3FQAGWWXZ2","json":"https://pith.science/pith/XPDVIO2NA6EFVSUL3FQAGWWXZ2.json","graph_json":"https://pith.science/api/pith-number/XPDVIO2NA6EFVSUL3FQAGWWXZ2/graph.json","events_json":"https://pith.science/api/pith-number/XPDVIO2NA6EFVSUL3FQAGWWXZ2/events.json","paper":"https://pith.science/paper/XPDVIO2N"},"agent_actions":{"view_html":"https://pith.science/pith/XPDVIO2NA6EFVSUL3FQAGWWXZ2","download_json":"https://pith.science/pith/XPDVIO2NA6EFVSUL3FQAGWWXZ2.json","view_paper":"https://pith.science/paper/XPDVIO2N","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1005.3350&json=true","fetch_graph":"https://pith.science/api/pith-number/XPDVIO2NA6EFVSUL3FQAGWWXZ2/graph.json","fetch_events":"https://pith.science/api/pith-number/XPDVIO2NA6EFVSUL3FQAGWWXZ2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XPDVIO2NA6EFVSUL3FQAGWWXZ2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XPDVIO2NA6EFVSUL3FQAGWWXZ2/action/storage_attestation","attest_author":"https://pith.science/pith/XPDVIO2NA6EFVSUL3FQAGWWXZ2/action/author_attestation","sign_citation":"https://pith.science/pith/XPDVIO2NA6EFVSUL3FQAGWWXZ2/action/citation_signature","submit_replication":"https://pith.science/pith/XPDVIO2NA6EFVSUL3FQAGWWXZ2/action/replication_record"}},"created_at":"2026-05-18T04:19:43.748662+00:00","updated_at":"2026-05-18T04:19:43.748662+00:00"}