Kev lag luam kev lag luam suab nrov ntsuas
Kev ntsuas suab nrov ntawm qhov chaw tsim kho
Txoj kev ntsuas tuaj yeem ua tau raws li GB12524-90 "Kev Ntsuas Method ntawm Lub Suab nrov ntawm Kev Tsim Kho Thaj Tsam", uas yuav tsum tau ntsuas tus nqi kom muaj LAeq, thiab qhov tseeb ntawm qhov ntsuas yuav tsum yog hom 2 lossis siab dua.
Dynamic soj ntsuam ntsuas (dynamic ntau yam tsis pub tsawg tshaj 50dB), qhov kev ua tau zoo raws li cov kev cai ntawm GB3785 "Lub suab nrov ntsuas hluav taws xob, Acoustic Performance thiab Measurement Methods".
Kev ntsuas suab nrov ntawm lub cev muaj zog
Txoj kev ntsuas yuav ua tau raws li GB/T14365-93 "Acoustic Motor Vehicle Stationary Noise Measurement Method"
Kev ntsuas tus nqi yuav tsum muaj A-hnyav "ceev" tus yam ntxwv lub suab siab theem Lp, thiab qhov tseeb ntawm qhov ntsuas yuav tsum yog hom 1 lossis hom 2 suab nrov ntsuas, thiab kev ua tau zoo raws li qhov yuav tsum tau ua ntawm GB3785 "Lub Suab nrov ntsuas hluav taws xob, Acoustic Performance and Measurement Methods."
Radiation suab ntsuas ntawm railway dov Tshuag
Txoj kev ntsuas yuav ua tau raws li GB/T5111-95 "Radiation Noise Measurement of Acoustic Railway Rolling Stock"
Tus nqi ntsuas yuav tsum muaj LPAF, thiab spectrum tsom xam thiab ntsuas kuj tuaj yeem ua tau. Qhov tseeb ntawm qhov ntsuas yuav tsum yog hom 2 lossis siab dua cov suab nrov sib xyaw ua ke thiab ib puag ncig lub suab tsis siv neeg soj ntsuam ntsuas ntsuas.
Inland waterway thiab nkoj lub suab ntsuas
Txoj kev ntsuas yuav ua tau raws li GB/T4964-85 "Kev ntsuas ntawm Radiated suab nrov los ntawm cov nkoj hauv Inland Waterways thiab Ports"
Tus nqi ntsuas yuav tsum muaj A-hnyav "ceev" yam ntxwv suab siab qib Lp, thiab A-hnyav "mem tes" suab siab qib Lp. Qhov tseeb ntawm qhov ntsuas yuav tsum yog hom 1 lossis hom 2 lub suab nrov meter, thiab qhov kev ua tau zoo yog nyob rau hauv txoj kab nrog GB3785 "Noise Meter Electrical, Acoustic Performance and Measuring method" cov kev cai.
Aircraft Noise Measurement
Txoj kev ntsuas yuav ua tau raws li GB9661-88 "Kev ntsuas txoj kev ntawm lub suab nrov ntawm lub tshav dav hlau"
Nws yuav tsum tau hais tias tus nqi ntsuas muaj A-hnyav "ceev" tus yam ntxwv suab siab theem Lp, thiab qhov ua tau zoo pom lub suab nrov ntawm lub dav hlau suab Lepn. Qhov tseeb ntawm qhov ntsuas yuav tsum muaj lub suab nrov ntawm hom 2 lossis siab dua thiab cov cuab yeej tsis siv neeg saib xyuas cov suab nrov ib puag ncig. Qhov kev ua tau zoo raws li GB3785 "Lub suab nrov ntsuas hluav taws xob thiab kev ua haujlwm ntawm lub suab thiab ntsuas txoj kev".
