Which describes the result when you turn on...

Question 1 / 2066636ee928f7522a1c519564

Question 1 of 2066636ee928f7522a1c519564

Which describes the result when you turn on the fast time constant (differentiator) control of a radar?

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Question 1 of 20

66636ee928f7522a1c519564

Which describes the result when you turn on the fast time constant (differentiator) control of a radar?

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🔍 Key Concepts

• Fast Time Constant (FTC) or differentiator control on marine radar • Difference between sea clutter (STC) control and FTC control • Effect of FTC on echo length and appearance on the PPI

💭 Think About

• Think about whether FTC mainly affects strong, long-duration clutter echoes (like rain/snow) or weak, small target echoes (like buoys and small craft). • Ask yourself: does FTC change the physical beam width of the radar antenna, or does it only change how received echoes are processed and displayed? • Consider what "differentiator" suggests about how the radar handles the leading and trailing edges of each echo on the screen.

✅ Before You Answer

• Verify which control is normally used for sea clutter close to own ship (often labeled STC or SEA). • Check whether FTC tends to enhance weak targets or mainly to reduce/shorten clutter echoes from widespread precipitation. • Confirm whether any radar front-panel control can truly narrow the antenna beam width, or if that wording should make you suspicious.

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Question 1 of 20

Which describes the result when you turn on the fast time constant (differentiator) control of a radar?

Only suppresses weak targets to a limited distance from the ship (sea clutter)

Reduces the beam width to provide a map-like presentation for navigation

Enhanced weak target echoes and brighten them on the PPI

Reduced clutter over the entire PPI by shortening the echoes

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Question 1 / 2066636ee928f7522a1c519564

Question 1 of 2066636ee928f7522a1c519564

Which describes the result when you turn on the fast time constant (differentiator) control of a radar?

Back

Question 1 of 20

66636ee928f7522a1c519564

Which describes the result when you turn on the fast time constant (differentiator) control of a radar?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed