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| What is advantage of angle modulation? what's disadvantage of angle modulation? |
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advantage: combats noise better
disadvantage: requires larger BW |
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| what is instantaneous angle? |
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| what is instantaneous frequency? |
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| frequency sensitivity of modulation |
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| if modulation index is smaller than 1, what kind of FM is it? |
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| if modulation index is bigger than 1, what kind of FM is it? |
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| what's envelop and phase of NBFM? |
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| what's cos x expressed in series? |
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| what's sin x expressed in series? |
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| what's tan-1 x expressed in series? |
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| what are 3 properties of Bessel function? |
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| if delta w goes up, what will happen? |
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1. bessel function goes up
2. transmission BW goes up |
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| if Wm goes up, what will happen |
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1. separation between frequencies goes down
2. bessel function goes up
3. overall, transmission BW goes down |
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| write a block for generating FM in indirect FM |
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| write a block for generating FM in direct FM |
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| write a block for demodulating FM using direct method |
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