Vision 1👁👃👁 Flashcards

1
Q

Unités radiométrique :

A

Flux énergétique, intensité énergétique, éclairement énergétique, brillance énergétique

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Unités photométriques :

A

Intensité lumineuse, flux lumineux, luminance, éclairement lumineux

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Unité du flux E

A

W

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Unité de l’intensité E

A

W.(str)-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Unité éclairement E

A

W.(m)-2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Unité brillance E

A

W.(m-2.str-1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Unité intensité L

A

Candela

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Unité flux L

A

Lumen = candela.str

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Unité luminance

A

Nit = candela.(m)-2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Unité éclairement L

A

Lux = lumen.(m)-2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Comment passe-t-on de photométrique à radiométrique?

A

x Vlambda x K

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Donner l’intensité énergétique (I) en fonction du flux énergétique (F)

A

I = F / (4pi) +++

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Définir p en fonction de Llambda et Lw

A

p = Llambda / (Llambda + Lw)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

L’éclairement énergétique dépend de quels facteurs? (x2)

A

-distance source-récepteur
-inclinaison source-surface réceptrice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Angle solide d’une sphère =

A

4 pi str

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Surface d’une sphère de rayon r =

A

4 pi r^2

17
Q

Fréquence lumière =

A

10^15 Hz

18
Q

Lvert + Lpourpe =

A

Lw

19
Q

Lw + Llambda =

A

Lv + Lr + Lb

20
Q

Qu’est-ce que le seuil différentiel / courbe de sensibilité différentielle?

A

Delta Llambda = plus petite diff de Llambda qui permet de distinguer deux teintes