{"id":197516,"date":"2024-10-19T12:34:18","date_gmt":"2024-10-19T12:34:18","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asa-s12-75-2012\/"},"modified":"2024-10-25T05:07:52","modified_gmt":"2024-10-25T05:07:52","slug":"asa-s12-75-2012","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asa\/asa-s12-75-2012\/","title":{"rendered":"ASA S12.75 2012"},"content":{"rendered":"

None<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
13<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
14<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
17<\/td>\n4 Noise measurement instrumentation requirements
4.1 Noise recording systems
4.2 Microphones and preamplifiers
4.3 Recorder general requirements <\/td>\n<\/tr>\n
19<\/td>\n5 Measurement site
5.1 Terrain <\/td>\n<\/tr>\n
20<\/td>\n5.2 Ground impedance
5.3 Weather requirements <\/td>\n<\/tr>\n
23<\/td>\n6 Noise measurement methods
6.1 Field test general methods <\/td>\n<\/tr>\n
24<\/td>\n6.2 Aircraft performance measurement methods <\/td>\n<\/tr>\n
25<\/td>\n6.3 Conventional take-off and landing (CTOL) ground run-up methods <\/td>\n<\/tr>\n
30<\/td>\n6.4 Short take-off\/vertical landing (STOVL) \/ Vertical take-off\/vertical landing
\n (VTO\/VL) ground run-up methods <\/td>\n<\/tr>\n
31<\/td>\n6.5 CTOL flyover noise methods <\/td>\n<\/tr>\n
36<\/td>\n6.6 Short take-off\/short landing (STO\/SL) flyover noise methods <\/td>\n<\/tr>\n
38<\/td>\n6.7 Vertical take-off\/vertical landing (VTO\/VL) flyover noise methods <\/td>\n<\/tr>\n
41<\/td>\n7 Data analysis
7.1 Weather analysis
7.2 Spectrum analysis <\/td>\n<\/tr>\n
42<\/td>\n7.3 Corrected spectral time histories
7.4 Weighted overall levels
7.5 Uncorrected pressure time histories \u2013 pressure vs. time
7.6 Aircraft tracking data
7.7 Aircraft performance histories
8 Reporting and test documentation
8.1 Calibration records
8.2 Weather data
8.3 Test log \/ scribe notes <\/td>\n<\/tr>\n
43<\/td>\n8.4 Instrumentation set-up log
8.5 Test location data
8.6 Ground impedance data
8.7 Aircraft performance data
8.8 Aircraft tracking data
8.9 Raw noise measurement data
8.10 Reduced noise data <\/td>\n<\/tr>\n
46<\/td>\nAnnex A (normative) Measurement uncertainty for ground run-up noise methods
A.1 Measurement uncertainty <\/td>\n<\/tr>\n
48<\/td>\nAnnex B (normative) Measurement uncertainty for flyover noise methods
B.1 Measurement uncertainty <\/td>\n<\/tr>\n
50<\/td>\nAnnex C (informative) Microphone cable length considerations <\/td>\n<\/tr>\n
52<\/td>\nAnnex D (informative) Conventional flight procedure communication protocols <\/td>\n<\/tr>\n
54<\/td>\nAnnex E (normative) Obstructions and reflections
E.1 Obstructions
E.2 Field reflections check <\/td>\n<\/tr>\n
55<\/td>\nAnnex F (informative) Spectral smearing with low-level flyovers
F.1 Source angle smearing <\/td>\n<\/tr>\n
57<\/td>\nAnnex G (informative) Elevated microphones \u2013 direct vs. reflected waves <\/td>\n<\/tr>\n
59<\/td>\nAnnex H (informative) Weather analysis: Corrections for atmospheric absorption for flyover <\/td>\n<\/tr>\n
60<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

ANSI\/ASA S12.75-2012 American National Standard Methods for the Measurement of Noise Emissions from High Performance Military Jet Aircraft<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASA<\/b><\/a><\/td>\n2012<\/td>\n64<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":197519,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2652],"product_tag":[],"class_list":{"0":"post-197516","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-asa","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/197516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/197519"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=197516"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=197516"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=197516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}