# Tutorial - Week 4 ## Question 3 compare [Coherence time](Coherence%20time.md) with length of information [Doppler spread](Doppler%20spread.md) is calculated. ## Question 4 ![](Spaces/University/TELE4652/Support%20Notes/attachments/Tutorial%20-%20Week%204-attachment.light.svg#invert) %%[🖋 Edit in Excalidraw](Spaces/University/TELE4652/Support%20Notes/attachments/Tutorial%20-%20Week%204-attachment.md), and the [dark exported image](Spaces/University/TELE4652/Support%20Notes/attachments/Tutorial%20-%20Week%204-attachment.dark.svg#invert)%% increase the [diversity order](diversity%20order.md) b) ## Question 5 Higher speed, shorter [coherence time](Coherence%20time.md) ![](Spaces/University/TELE4652/Support%20Notes/attachments/Tutorial%20-%20Week%204-attachment_0.light.svg#invert) %%[🖋 Edit in Excalidraw](Spaces/University/TELE4652/Support%20Notes/attachments/Tutorial%20-%20Week%204-attachment_0.md), and the [dark exported image](Spaces/University/TELE4652/Support%20Notes/attachments/Tutorial%20-%20Week%204-attachment_0.dark.svg#invert)%% [Coherence bandwidth](Coherence%20bandwidth.md) [^1] # References [^1]: