Phunziro phokoso. Zida choyezera phokoso

phokoso otizungulira - yekha mu nthawi zina, munthu masiku ano kwathunthu kumiza nokha mu bata. Pa nkhani imeneyi, mtengo lamulo kumawonjezera magawo phokoso. Kuntchito Mwachitsanzo, amafuna wapadera pa gulu la kantchito. Mndandanda wa ziyeneretso za adzabwera ndi zotsatira akadakwanitsira phokoso. Komabe, kafukufuku phokoso ukafunidwe pa zochitika - pamalowo dokotala, m'malo a anthu, ndithudi, kunyumba. Chifukwa chaichi, wapadera zipangizo - mlingo phokoso meters. Koma kuyamba ndi kumvetsa khalidwe la phokoso lokha.

magwero phokoso

Ambiri a phokoso mzinda kwaiye magwero anthropogenic ya magudumu phokoso. Mwachitsanzo, zoyendera injini, mpweya mafunde kuti padutse nyumba, zomangamanga ndi machitidwe luso, ndi zina zotero. D. Monga ulamuliro, chifukwa mtundu uwu phokoso zoipa, chifukwa iwo chogwidwa ndi mafurikwense otsika, komanso kusintha wachisokonezo cha kumvera pa kulankhula kudutsa osiyanasiyana. Tingaone zimenezi makamaka ntchito amakampani mafakitale ndi zida aya.

Inde, zabwino kwambiri, mwa mawu a zowulutsira, zinthu ikusonyezedwa kunja kwa mzinda. Pankhaniyi, gwero amachita monga chirengedwe. Chimodzi mwa ululu ndi kumasula phokoso la nyanja, amene amakhala ndi kobwereza ndi Phokoso kwambiri. Pang'onopang'ono ndi wonyong'onya phokoso amalenga wapadera ndi wokongola m'madzi mungoli lolimbitsa wamanjenje dongosolo.

chipangizo choimbira

meters mlingo Sound pa msika lero lero otchuka zipangizo yadigito. Ang'ono ndi wangwiro pulasitiki nyumba, umene lowonjezera ndi maikolofoni - Koma chinthu ichi akhoza Integrated mu chipangizo. chida ichi mulinso mkuzamawu, zinthu fyuluta, kuwala ndi chowunikira. Ndipotu, khutu la munthu lili ndi zambiri mbali womwewo wa magwiridwe a. Nayenso njira yapadera umathandiza kuphunzira phokoso ndi kukonza magawo angapo nthawi imodzi. Zosefera analanda phokoso la mafurikwense osiyana ndi uthenga wokhudza miyezo ya reflectivity zimagwiridwa pa zowonetsera mu decibels. Pankhani ya zakudya, ambiri mlingo phokoso mamita ntchito mphamvu batire mlandu umene siyana kuchokera maola 50 kuti 70.

Mfundo ntchito

Pa mfundo opaleshoni, mu nkhani iyi, zoyenerera kwambiri poyerekeza chipangizo ndi maikolofoni. Chachikulu kusiyana kudzakhala kuti mita mlingo phokoso amachitira pa muyeso ndi voltmeter, ndi calibrated decibel. Popeza magetsi mbendera mtsinje linanena bungwe kuchokera maikolofoni zofanana choyambirira phokoso mlingo wa zowonjezera mu zoipazi lamayimbidwe, amene amachita pa chifundamtima adzachititsa ofanana voteji kuwonjezeka pa chikuonetseratu mu voltmeter a. Pa mfundo imeneyi ndipo anamanga phokoso muyeso, lomwe magawo zikugwirizananso ndi kuwonetsera kwa. Kuchita miyezo ntchito ya kuthamanga phokoso mbendera ndi anadutsa Zosefera wapadera - zimenezi pa nthawi imene ali panjira ku maikolofoni kwa voltmeter a.

Popeza mphamvu khutu la kuzindikira phokoso kumadalira osati kokha pa katundu pafupipafupi phokoso, komanso mwamphamvu ake, mu zipangizo amapereka mitundu yambiri ya zinthu zosefera. The chipangizo makamaka zimadalira kodi makhalidwe a gawo chomveka cha phokoso pa miyezo ya. Zosefera n'zotheka kuti yesezera matalikidwe-pafupipafupi sipekitiramu mu anapatsidwa phokoso mphamvu.

makhalidwe luso-ntchito

Opanga amayesetsa kusiyanitsa zitsanzo masamu chokhazikika pa gawo buku, ndi zipangizo miyeso ambiri cholinga. Komabe, mlingo buku amakhalabe chimodzi mwa zizindikiro kiyi wa mamita mlingo pafupifupi onse phokoso - chithunzi ichi ranges ku 30 130 DB. Nkofunika kudziwa mbali imodzi mamita phokoso. Ena zitsanzo pamene ntchito akukhala chiŵerengero phokoso kuposa lonse pazipita mowa, sabala kuphunzira phokoso chifukwa cha zinthu zimene maluso awo. Mbali yotsatira - molondola kayesedwe. khalidwe limeneli anatsimikiza ndi kulakwa kumene kungakhale kuchokera 1 mpaka 1.5 DB. Choncho, ang'onoang'ono ndi kupatuka pa miyezo ya phokoso mita msinkhu, ndi apamwamba molondola. magwiridwe ake angakhudzidwe ndi kutentha. Mwachitsanzo, ngati inu mwatchutchutchu osiyanasiyana kuchokera 0 40 ° C, chipangizo angagwiritsidwe ntchito m'madera lotseguka.

opanga

Mu msika mungapeze chipangizo kuchokera opanga onse apadera akayezetsa zipangizo komanso malonda zopangidwa odziwika yomanga. Gulu loyamba zimachitika chitsanzo Testo, amene angatchedwe bwino m'kalasimo. Iwo kuphimba lonse pafupipafupi osiyanasiyana, mabatire capacious ndi osiyanasiyana muyeso wa decibels. Komabe, zipangizo za mtundu uwu kwambiri mtengo - avareji rubles 20 30 zikwi .. Ngati mukufuna kuphunzira phokoso pamalo zogona, n'zotheka kulabadira mankhwala Geo-Fennel ndi Ada. Choyamba, zitsanzo za opanga zinthu zimenezi bwinobwino miyezo bwino mwatsatanetsatane, ndipo kachiwiri, zilipo pa mtengo - avareji zipangizo amenewa ndi 3-4 zikwi rubles ..

Reviews wa Sound mlingo Meter

Anthu onani chomasuka ntchito digito mamita mlingo phokoso. opanga kwambiri kupereka zipangizo ndi zowonetsera ergonomic ndi nkhani kuti anawonjezera chitonthozo pa ntchito. The kuipa zipangizo zambiri mtundu uwu monga eni nthawi yochepa ntchito naupereka ndi machimo akuluakulu. Komabe, nuance otsiriza kwakukulukulu zimadalira wotani magwero phokoso ankafunsidwa. Kuwonjezera kugwira ntchito mwachindunji izo analimbikitsanso kulabadira luso chipangizo ntchito mu mapangidwe nkhanza. Pamaso pa kugonjetsedwa ndi maganizo makina ndi thupi chinyezi akuonekera bwino ngati mwayi.

Pomaliza

Ngakhale ntchito kutukula sayansi yamakono kuyeza luso angathetse, osati mavuto onse obwera ndi tanthauzo la ntchito phokoso. Komabe, owerenga ambiri, bwana alipo n'zokwanira. Mwachitsanzo, phokoso la nyanja amapereka oscillation pafupipafupi ku avareji 31 20,000 Hz. Kuphimba osiyanasiyana lero, izo sizidzakhala zovuta kupeza chipangizo cha gawo pakati. Chinthu china ndi kuti ntchito apadera kwambiri akatswiri kungafune zida osati ndi osiyanasiyana yaitali magawo akuluakulu opaleshoni, komanso azitha kugwira ntchito zina kayesedwe.