Kodi ma microwave sensors ndi chiyani?

Masensa a Microwave, omwe amadziwikanso kuti radar, rf, kapena doppler sensors, amatsata zomwe anthu akufuna akuyenda, kusuntha, kapena kukwawa kunja.Masensa a Microwave amapanga gawo la electromagnetic (rf) pakati pa transmitter ndi wolandila, zomwe zimapangitsa kuti pakhale malo osawoneka a volumetric.Masensa a Microwave adayikidwa pamisewu yonse yosaloledwa.Imatumiza chizindikiro cha microwave chapamwamba kwambiri, chomwe chimayang'aniridwa ndi galimoto iliyonse yosafunikira yomwe imadutsa m'dera lake.

Kodi ma microwave ndi chiyani?

Electromagnetic radiation imaphatikizapo ma microwave.Mafunde a electromagnetic amapangidwa ndi magetsi ozungulira komanso maginito omwe amayenda pa liwiro la kuwala, lomwe ndi 299 792 458 m / s.Amasiyanitsidwa ndi zinthu zingapo zazikulu, kuphatikiza ma frequency kapena kutalika kwa mafunde, kulimba kapena mphamvu, ndi polarization.

Mitundu ya masensa a microwave

· Ma Altimeters: awa amawerengera kutalika kwa pamwamba poyesa nthawi yomwe imatengera microwave kuti iwonetsere kuchokera pamwamba ndikumasulira mtunda womwe umachotsedwa pa pulatifomu.

· Synthetic aperture radar (SAR): ma radar oterowo amapereka chithunzi chapamwamba kwambiri panjira kapena njira ya azimuth pogwiritsa ntchito kusuntha kwa nsanja kuti apange mlongoti wautali.Kukula kwa mphamvu zowonekera kuchokera pamwamba, zomwe zimadziwika kuti 'backscatter,' mu pixel iliyonse zimagwirizana ndi mawonekedwe a pamwamba ndi kuuma kwapamtunda pa sikelo ya wavelength ndi dielectric constant.

· Polarimetric SAR: makina a polarimetric SAR amatulutsa zithunzi zochokera kumitundu yosiyanasiyana.Deta ya polarimetric imathandizira kulekanitsa tsatanetsatane wa kuuma kwapamtunda kuchokera pamapangidwe amtundu wamtundu wa backscatter.Kukhudzika kwa kulunjika ndi chidziwitso chomwaza chapamwamba chimalola kuzindikirika bwino kwapamwamba komanso kuyerekezera kochulukira kokwanira.

· Stereo SAR: stereo imatsimikizira tsatanetsatane wa malo pogwiritsa ntchito zithunzi za SAR zopezedwa kuchokera kumalo osiyanasiyana.Zinthu zomwe zili pamalo okwera osiyanasiyana azithunzi za SAR, monga mapeyala azithunzi za stereo, zimapangitsa kuti chithunzi chisokonezeke chomwe chimakhala chofanana ndi kutalika kwa malo ofotokozera.

Interferometric SAR: interferometric sars, kuphatikiza stereo sars, gwiritsani ntchito deta yomwe yasonkhanitsidwa kuchokera kumalo osiyanasiyana kuti muwerengere tsatanetsatane wa momwe dziko limakhalira.Popeza kuti parallax ya interferometric system nthawi zambiri imakhala yaying'ono kwambiri kuposa pixel, chidziwitso cha topographic chimachokera ku sensa ya gawo, yomwe imalola kuyeza kwapadera kwa parallax, kapena kusiyana kosiyanasiyana.

Kodi zimagwira ntchito bwanji?

Zowunikira zoyenda zimatumiza ma siginecha a microwave ndi nthawi yomwe zimatenga nthawi yayitali kuti chizindikirocho chibwererenso ku sensa;iyi imadziwika kuti nthawi ya echo.Nthawi ya echo imagwiritsidwa ntchito kuyeza mtunda wa zinthu zonse zomwe zayima m'chigawo chodziwikiratu kuti apange maziko ogwirira ntchito.Tsoka ilo, munthu yemwe akubwera mu detector zone amasokoneza nthiti ya microwave, kuonjezera nthawi ya echo ndikuyatsa magetsi - izi zingapangitse masensa kukhala ovuta kwambiri.

Kodi angagwiritsidwe ntchito bwanji powunikira?

Masensa oyenda pa Microwave amagwira ntchito mosiyana ndi masensa opanda infrared, omwe amagwiritsidwa ntchito kwambiri.Sensa ya mw imatulutsa ma microwaves ndikusanthula echo yomwe imabwerera ku dongosolo.Ngati zochitazo zisintha mawonekedwe a echo, sensa imatha kuyankha poyatsa nyali.

Masensa a Microwave ali ndi luso lodalirika loyang'anira zochitika kudzera mu kutentha kosiyanasiyana.Komabe, kuzindikira kwa ma sensor a pir kumatha kusiyana kutengera nyengo.Kuphatikiza apo, masensa a infrared amatha kugwidwa ndi fumbi ndi utsi ndipo amakhala ndi moyo wocheperako.

Masensa a Microwave amatha kuzindikira kusuntha kudzera muzinthu zopanda zitsulo monga galasi komanso makoma owonda.Popeza sensa imatha kuyimitsidwa kuti isawoneke kapena mkati mwa nyali, ili ndi njira zina zowonjezera.

Zimapulumutsa bwanji mphamvu?

Kuphatikiza pa kuwongolera / kuzimitsa kwa nyali, masensa ena amakhala ndi ntchito zambiri.Mukhozanso kusankha 2-step kapena 3-step dimming.Mutha kupanga maukonde okulirapo a zounikira pogwiritsa ntchito kulumikizana kwa rf pakati pa masensa kuti muwunikire zounikira zingapo nthawi imodzi.Mitundu ina imakhala ndi masensa opangira masana, zomwe zimakulolani kuti mugwiritse ntchito usana wonse ndikusunga kuwala kokwanira madzulo ndi m'bandakucha.Izi zimatchedwa kukolola masana.

Zopindulitsa zazikulu zidachitika m'zipinda ndi malo omwe kuwala kwa masana kumakhudza kwambiri kuunikira, monga mazenera akulu.Kuphatikiza pa kupulumutsa mphamvu, kugwiritsa ntchito masensa awa kumakulitsa moyo wa zounikira zanu pomwe sizikutsegulidwa mpaka kuwala kukufunika.

Zotheka zabwino za masensa awa

Kuunikira koyenera kumapangitsa kuwerenga ndi kulemba kukhala kosangalatsa, kumawonjezera chitetezo, ndipo kumatha kukhala kopindulitsa pa thanzi la munthu.Ndiye kodi masensa amenewa angagwiritsidwe ntchito kuti kuti apindule kwambiri?Masensa aliwonse amakhala odziyimira okha ndipo amatha kulumikizidwa ndi injini yotsogolera.Dalaivala imagwiritsidwa ntchito kale pazida zina zama sensor.Izi zimakupatsirani kusinthasintha kwakanthawi ikafika pakusintha kowunikira.

Pir v/s microwave sensors

Masensa a Pir si apamwamba mwasayansi kapena otsika kuposa masensa a microwave.Mitundu yonse ya sensa ili ndi maubwino omwe ali oyenera madera osiyanasiyana ndi zochitika.Kuwala kokhala ndi masensa a pir nthawi zambiri kumakhala njira yotetezeka kwambiri yogwiritsidwa ntchito ngati magetsi otetezera.Amangozindikira zochitika kuchokera ku zinthu zamoyo kuti athe kupereka ma alarm abodza ochepa.Masensa a microwave, kumbali ina, akhoza kukonzedwa kuti azindikire zochitika kuchokera kuzinthu zazikulu zaumunthu;komabe, izi zimatheka mu chinthucho ma sensor asanakhazikitsidwe mu nyali.

Masensa a Pir amafunikira chinthucho kuti chidutse gawo lake la masomphenya kuti chizindikire.Chifukwa chake, ndi oyenera madera odziwika bwino monga makonde, mawayilesi, mayendedwe, ndi ma alleyways, komwe sangapewedwe.Komano, masensa a microwave safunikira mzere wowonekera bwino kuti azindikire kusuntha.Zotsatira zake, ndizoyenera kwambiri zipinda zopangidwa modabwitsa komanso malo okhala ndi zopinga zambiri.Iwonso sangadalire siginecha ya kutentha, kuwapangitsa kukhala olondola kwambiri m'malo otentha komwe sensor ya PIR ingakhale yopanda ntchito.

Masensa a Microwave nawonso amakhudzidwa kwambiri, kuwapangitsa kukhala abwino kuti azitha kuwona kuyenda kwabwino kwambiri.Komabe, zingakhale zosatetezeka kutchire kapena pafupi ndi nyumba chifukwa zingayambidwe ndi masamba oomba, kusuntha kwamitengo, ndi zinthu zina zazing’ono.Kuwala kwa sensor ya PIR ndikwamphamvu kwambiri komanso kodalirika pakuteteza dimba ndi nyumba.