Noise Meter Sensitivity Calibration thiab Influencing Factors
Noise Meter - Sensitivity Calibration
Txhawm rau kom ntseeg tau qhov tseeb ntawm qhov ntsuas, nws yuav tsum tau ntsuas ua ntej thiab tom qab siv.
Sib phim lub suab qib calibrator rau lub microphone, qhib lub calibration fais fab mov, nyeem tus nqi, kho lub rhiab heev potentiometer ntawm lub suab nrov ntsuas, thiab ua kom tiav cov calibration.
Noise Meter - Influencing Factors
Lub suab nrov ntsuas yog siv los ntsuas lub suab nrov, thiab kev faib tawm ntawm kev ntsuas suab nrov feem ntau suav nrog cov hauv qab no:
1. Los ntawm cov khoom ntsuas, nws tuaj yeem muab faib ua cov yam ntxwv ntsuas ntawm ib puag ncig lub suab nrov (suab teb) thiab ntsuas cov yam ntxwv ntawm lub suab.
2. Los ntawm lub sij hawm tus yam ntxwv ntawm lub suab los yog suab teb, nws muaj peev xwm muab faib mus rau hauv khov kho-state suab ntsuas thiab tsis-state-state suab nrov ntsuas. Cov suab nrov tsis khov kho tuaj yeem muab faib ua lub suab nrov hloov pauv hloov pauv, suab nrov tsis sib xws thiab lub suab impulse.
3. Los ntawm cov yam ntxwv zaus ntawm lub suab los yog lub suab teb, nws tuaj yeem muab faib ua cov suab nrov nrov, lub suab nrov nqaim thiab suab nrov uas muaj cov suab nrov ntshiab.
4. Los ntawm qhov tseeb ntawm kev ntsuas qhov xav tau, nws tuaj yeem muab faib ua qhov ntsuas qhov tseeb, kev ntsuas hluav taws xob thiab kev suav pej xeem suab nrov.
