Check this sentence for me please

Question

The variations of illuminance and received power might be different in the amount, but their changing patterns depending on the angle are the same.

Is my sentence grammatical correct? Does it make sense to you? If my sentence is wrong, please correct it for me.

Thank you.

CalifJim · Accepted Answer

Sorry. It doesn't make sense to me, especially the last part.

I think you want this for the first part.

The variations in luminosity and received power may differ in amount, but ...

I don't have any idea what you mean by the rest of it. What are you trying to describe?

CJ

James do · Answer

thank you!

in the second part, I meant that the way the variations of illuminance and that of received power change depending on the angle are the same, i.e., where the illuminance increases is where the received power increases, where the illuminance remains the same is where the received power remains the same, and where the illuminance decreases is where the received power decreases.

How can I express it?

CalifJim · Answer

It seems to me that you're saying this:

The variations in luminosity and received power may differ in amount depending on the angle of incidence, but received power is always in direct proportion to luminosity regardless of the angle.

I really think you want 'luminosity'. 'illuminance' is not a very frequently used word for the scientific concept of luminosity as far as I know.

CJ

James do · Answer

CalifJimIt seems to me that you're saying this:

The variations in luminosity and received power may differ in amount depending on the angle of incidence, but received power is always in direct proportion to luminosity regardless of the angle.

I really think you want 'luminosity'. 'illuminance' is not a very frequently used word for the scientific concept of luminosity as far as I know.

CJ

Thank you!

So I can write like this:

The factors in the equations calculating the illuminance (1) and received power (4) are similar apart from some constants, which are independent of both the zenith angle and the position of the receiver. This implies that the effect of increasing zenith angle on the received power can be deduced from that on the illuminance. The variations of illuminance and received power may differ in amount depending on the zenith angle and the receiver’s position, but the received power is always in direct proportion to the illuminance regardless of the zenith angle and receiver’s position.

I define what is the zenith angle-something related to the incidence angle, in the previous part. So people would understant.

About the "luminosity", I know "luminosity" and "illuminance" have different meanging. And the word "illuminance" was used in the previous papers in my research area, so I think I shouldn't change it.

Check this sentence for me please

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