Chii chinonzi microwave sensors?

Microwave sensors, inozivikanwawo seradar, rf, kana doppler sensors, inoteedzera chinangwa chevanhu pakufamba, kufamba, kana kukambaira munzvimbo yekunze.Microwave sensors inogadzira iyo electromagnetic (rf) munda pakati peiyo transmitter uye inogamuchira, zvichikonzera isingaonekwe volumetric yekuona dunhu.Microwave sensors akaiswa panzira dzese dzinogona kunge dzisingabvumidzwe.Iyo inotumira yakakwira-frequency microwave siginecha, iyo inoratidzirwa nechero mota isingadikanwi inopfuura nemunzvimbo yayo yekuona.

Chii chinonzi microwaves?

Electromagnetic radiation inosanganisira microwaves.Mafungu eElectromagnetic akaumbwa nemagetsi anotenderedza uye magineti minda inofamba nekumhanya kwechiedza, inova 299 792 458 m/s.Ivo vanosiyaniswa neakati wandei zvivakwa, zvinosanganisira frequency kana wavelength, kusimba kana simba, uye polarization.

Mhando dze microwave sensors

· Altimeters: iwaya anoverenga kureba kwechiso nekuyera nguva inotora microwave kuratidza kubva pamusoro uye kuishandura ichienda kune chinhambwe chinobviswa kubva pachikuva.

· Synthetic aperture radar (SAR): ma radar akadai anopa yakakwirira-resolution mufananidzo mupadhuze-track kana azimuth kutungamira uchishandisa mafambiro epuratifomu kugadzira antenna refu.Hukuru hwesimba rinoratidzwa kubva pamusoro, rinozivikanwa se'backscatter,' mupixel yega yega rine hukama kune zvese kuumbwa kwepasi uye kushata kwepasi pachikero chewavelength nedielectric constant.

· Polarimetric SAR: polarmetric SAR masisitimu anoburitsa mifananidzo kubva kwakasiyana polarizations.Polarimetric data inobatsira mukupatsanurwa kwehukukutu hwepamusoro kubva kune chimiro chepamusoro mhedzisiro pane backscatter.Sensitivity kune yakatarisa uye yakagadziridzwa ruzivo rwekuparadzira pamusoro inobvumira kunyatsojeka kwepamusoro hunhu uye nekuwedzera kwakaringana chiyero chiyero chekuenzanisa.

* Stereo SAR: stereo inosarudza topographic zvakadzama nekushandisa SAR mifananidzo yakawanikwa kubva kwakasiyana siyana nzvimbo.Zvinhu zviri munzvimbo dzakasiyana siyana dzemifananidzo yeSAR, senge optical image stereo pairs, zvinokonzeresa parallax kana kukanganisa kwemufananidzo kwakaenzana nehurefu huri pamusoro penzvimbo yereferensi.

Interferometric SAR: interferometric sars, kusanganisira stereo sars, shandisa data rakaunganidzwa kubva kwakasiyana nzvimbo dzekutarisa kuverenga topographic kana pamusoro pekutamiswa.Sezvo parallax ye interferometric masisitimu kazhinji idiki zvakanyanya pane pixel, iyo topographic information inotorwa kubva kune phase sensor, iyo inobvumira yakasarudzika chaiyo parallax, kana mutsauko, kuyerwa.

Vanoshanda sei?

Motion detectors inotumira zvikwangwani zve microwave uye nguva kuti zvinotora nguva yakareba sei kuti chiratidzo chidzoserwe ku sensor;iyi inozivikanwa senguva yemaungira.Iyo echo nguva inoshandiswa kuyera nhambwe yezvinhu zvese zvakamira munzvimbo yekuona kugadzira hwaro hwekushandisa.Nehurombo, munhu anouya munzvimbo ye detector anovhiringa microwave beam, achiwedzera echo nguva uye kumisa mwenje - izvi zvinogona kuita kuti ma sensors ave akanyanya kunzwa.

Angashandiswa sei mukuvheneka?

Microwave motion sensors inoshanda zvakasiyana pane passive infrared sensors, ayo anonyanya kushandiswa.Iyo mw sensor inoburitsa microwave uye inoongorora iyo echo inodzokera kuhurongwa.Kana chiito ichichinja echo pateni, sensor inogona kupindura nekubatidza mwenje.

Microwave sensors ine yakavimbika kugona kuteedzera chiitiko kuburikidza neyakasiyana tembiricha.Nekudaro, iyo yekuona senitivity yepir sensors inogona kusiyana zvichienderana nemamiriro ekunze.Uyezve, infrared sensors inobatwa neguruva uye utsi uye ine hupenyu hwakaderedzwa.

Microwave sensors inogona kuona kufamba kuburikidza nezvinhu zvisiri zvesimbi segirazi uye kunyange madziro matete.Sezvo iyo sensor inogona kukwidzwa kunze kwekuona kana mukati me luminaire, ine zvimwe zvekuisa sarudzo.

Zviri kuchengetedza simba sei?

Pamusoro peiyo yakajairwa pa/kudzima mirau yeruminaire, mamwe masensa ane huwandu hwakakura hwemabasa.Iwe unogona zvakare kusarudza 2-nhanho kana 3-nhanho dimming.Iwe unogona kuvaka hupamhi hwemagetsi emagetsi nekushandisa rf kutaurirana pakati pema sensors kutarisa akati wandei ma luminaires panguva imwe chete.Mamwe mamodheru ane akavakirwa-mukati mezuva masensa, achikutendera iwe kuti ushandise zvachose chiedza chemasikati uchichengetedza mwenje wakakwana manheru uye mambakwedza.Izvi zvinozivikanwa sekukohwa masikati.

Mabhenefiti makuru akaonekwa mumakamuri uye nharaunda umo chiedza chemasikati chine simba guru pamamiriro emwenje, senge nemahwindo makuru.Pamusoro pekuchengetedza simba, kushandisa masensa aya kunowedzera hupenyu hwemwenje wako apo iwo asina kubatidzwa kusvika mwenje uchinyatso kudiwa.

Iwo akanakisa mikana kune aya masensa

Kuvheneka kwakaringana kunoita kuti kuverenga nekunyora kuwedzere kunakidza, kunowedzera dziviriro, uye kunogona kutobatsira kuhutano hwemunhu.Saka, ndekupi masensor aya anogona kushandiswa kuwana zvakanyanya kubva mazviri?Chero masensa anozvimiririra uye anogona kubatanidzwa kune inotungamirwa injini.Mutyairi atoshandiswa mune mamwe ma sensor madivayiri.Izvi zvinokupa iwe kuchinjika zvakanyanya kana zvasvika pakugadzirisa mwenje.

Pir v/s microwave sensors

Pir sensors haisi yepamusoro nesainzi kana yakaderera kune microwave sensors.Ese ese masensor masitayipi ane mabhenefiti anokodzera kune akasiyana nharaunda uye zviitiko.Mwenje ane pir sensors kazhinji ndiyo yakachengeteka sarudzo yekushandisa semagetsi ekuchengetedza.Vanongoona chiitiko kubva kuzvinhu zvipenyu kuitira kuti vape maaramu mashoma enhema.Microwave sensors, kune rumwe rutivi, inogona kugadzirwa chete kuti ione chiitiko kubva muhukuru hwevanhu zvinhu;zvisinei, izvi zvinowanzoitika muchinhu chisati chaiswa ma sensors mumarambi.

Pir sensors inoda chinhu kuti chifambe nemumunda wekuona kuti chione.Nekuda kweizvozvo, dzakakodzera nzvimbo dzakanyatso cherechedzwa dzakadai semikoto, nzira dzekufamba, mikova, uye mikoto, kwaasingagone kudziviswa.Microwave sensors, kune rumwe rutivi, haidi mutsara wakajeka wekuona kuti uone kufamba.Nekuda kweizvozvo, ivo vakanyatsokodzera kumakamuri akagadzirwa zvisingaite uye nzvimbo dzine zvipingamupinyi zvakawanda.Ivo zvakare vangasavimba nekupisa siginicha, zvichiita kuti zvive zvakanyatsojeka munzvimbo dzinopisa umo sensor yePIR inogona kusashanda.

Microwave sensors zvakare inonyanya kunzwa, ichiita kuti ive yakakodzera kuona kufamba kwakanaka kwazvo.Zvisinei, dzinogona kuva dzisina kuchengeteka munzvimbo yakashama kana kuti mudzimba nokuti dzinogona kukonzerwa nemashizha anopeperetswa, miti inopfachuka, uye zvimwe zvinhu zviduku.A PIR sensor mwenje ine simba zvakanyanya uye yakavimbika kune gadheni uye kuchengetedzwa kwemba.