Dhammaan xariijinta iftiinka ma leeyihiin UGR?

Halbeeg loo yaqaan UGR, ama Qiimeynta Muraayadaha Midaysan, ayaa loo isticmaalaa in lagu qiimeeyo sida iftiinka ka imanaya isha iftiinka uu u yahay mid aan raaxo lahayn. Maadaama UGR badanaa lala xiriiriyo qalabka nalalka rasmiga ah ee loo isticmaalo goobaha ganacsiga iyo kuwa xirfadeed halkaas oo xakamaynta dhalaalku ay muhiim tahay, dhammaan xariijinta iftiinka ma laha heerkan.

Xariijimaha nalalka ma mari karaan isla habraacyada shahaadada ama tijaabada ee la mid ah aaladaha nalalka caadiga ah, gaar ahaan haddii loogu talagalay iftiinka deegaanka ama qurxinta. Si kastaba ha ahaatee, soosaarayaashu waxay bixin karaan qiimeyn UGR ama faahfaahin ku saabsan maaraynta iftiinka haddii xariijimaha nalalka loogu talagalay in loo isticmaalo deegaannada ay dhalaalku dhibaato ku noqon karo.

Waxaa lagugula talinayaa inaad dib u eegto faahfaahinta badeecada ama aad la hadasho soo saaraha haddii aad raadineyso xarig nal ah oo leh qiimeyn UGR gaar ah.

Maadaama UGR uu yahay tiro lagu go'aamiyo cabbiro gaar ah, tijaabinta Qiimaynta Midaysan ee Muraayadaha (UGR) ee nalka xariijinta LED-ka badanaa waxay ku lug leedahay raacitaanka hab-raac go'an. Dulmar guud oo ku saabsan hababka loo baahan yahay si loo tijaabiyo UGR ayaa hoos lagu bixiyay:

Habbee Deegaanka:
Ku samee tijaabada goob la xakameeyey, sida qol leh naqshad hore loo sii qorsheeyay iyo daaweyn dusha sare ah. Ilo kale oo iftiin ah oo qalloocin kara xogta waa inaysan ku jirin qolka.
Qalabka Cabbiraadda:
Si aad u ogaato sida iftiinka isha iftiinka iyo dusha sare ee ku hareeraysan u yihiin, isticmaal mitirka iftiinka. Hubi in mitirku uu yahay mid la cabbiray oo ku habboon heerka iftiinka ee aad u baahan tahay inaad cabbirto.
Deji Qodobbada Cabbirka:
Go'aami goobaha lagu cabbirayo. Goobta qofka daawanaya (guud ahaan heerka indhaha) iyo goobaha ay ka yimaadaan ilaha iftiinka (nalalka LED-ka) ayaa badanaa lagu daraa tan.
Xisaabi Iftiinka:
Marka laga eego aragtida qofka daawanaya, cabbir iftiinka nalka LED-ka xaglo kala duwan. Tani waxay ku lug leedahay cabbiraadda iftiinka xaglaha ka tarjumaya iftiinka suurtagalka ah iyo sidoo kale isha iftiinka.

Xisaabi UGR:
Isticmaal qaacidada UGR, taas oo tixgelinaysa qiimaha iftiinka ee la cabbiray, xaglaha ilaha iftiinka marka loo eego qofka daawanaya, iyo iftiinka asalka ah. Qaaciddu waa sidan soo socota:
[
UGR = 8 \cdot \log_{10} \left( \frac{0.25 \cdot \sum_{i=1}^{n} L_i \cdot \Omega_i}{L_b} \right)
]

Halkee:

(L_i) = iftiinka isha iftiinka (shumacyada halkii mitir labajibbaaran)
( \Omega_i ) = xagal adag oo isha iftiinka ah (oo ku jira steradians)
(L_b) = iftiin asal ah (shumacyada halkii mitir labajibbaaran)

Falanqee natiijooyinka:
Xaaladaha badankood, qiimaha UGR ee ka yar 16 ayaa loo arkaa mid la aqbali karo, si kastaba ha ahaatee qiimayaasha ka badan 19 waxay soo jeedin karaan dhalaal daran.
Diiwaanada:
Wixii ah baahiyo tixraac mustaqbalka ama u hoggaansanaanta, diiwaan geli dhammaan cabbiraadaha, xisaabinta, iyo duruufaha imtixaanka.
La hadalka khabiir ku takhasusay nalalka ama shirkad diiradda saarta naqshadeynta iyo cabbiraadda nalalka waxay noqon kartaa mid waxtar leh haddii aadan aqoon u lahayn habka tijaabada ama aadan haysan qalabka loo baahan yahay.

Waxaan haynaa xariijin cusub oo ka hortagta dhalaalka, fadlannala soo xiriirhaddii aad rabto inaad wax badan ka ogaato arrimaha ku saabsanXariijimaha neon-ka ee ka hortagga iftiinka.

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