A signal s(t)=3cos(20pt) (V) is quantized by a uniform quantizer, the step size of the quantizer is 0.1(V), then the minimal number of quantization level is L , the number of bits per sample is at least R , and the variance of the quantization error is T ([img=22x22]1802e166a76be1c.png[/img]).
A: L=60, R=5, T=0.000833
B: L=30, R=5, T=0.000833
C: L=60, R=5, T=0.001667
D: L=60, R=6, T=0.000833
A: L=60, R=5, T=0.000833
B: L=30, R=5, T=0.000833
C: L=60, R=5, T=0.001667
D: L=60, R=6, T=0.000833
举一反三
- A signal s(t)=3cos(20pt) (V) is quantized by a uniform quantizer, the step size of the quantizer is 0.1(V), then the minimal number of quantization level is L , the number of bits per sample is at least R , and the variance of the quantization error is T ([img=22x22]1803a28ec2869ac.png[/img]). A: L=60, R=5, T=0.000833 B: L=30, R=5, T=0.000833 C: L=60, R=5, T=0.001667 D: L=60, R=6, T=0.000833
- A signal s(t)=3cos(20pt) V is quantized by a uniform quantizer, the step size of the quantizer is 0.1V, then the minimal number of quantization level is Lmin=_______, the number of bits per sample is at least Rmin=_______, and the variance of the quantization error is _________V^2.
- 1 Complete the words. ► k n i c k e r s knickers 1 _ n d _ r w _ _ r ____ 2 m _ t _ r _ _ l ____ 3 s l _ _ v _ ____ 4 t i _ _ t s ____ 5 s _ _ d e ____ 6 n _ c k l e ____ 7 b l _ _ s e ____ 8 e a _ _ i n s ____ 9 v _ _ t ____ 10 b _ _ t t _ n ____
- 4 Complete the words. ► l u n g c a n c e r lung cancer 1 m _ m _ r _ l _ _ s s ____ 2 a r _ r _ t i c ____ 3 b r _ _ n ____ 4 b l _ _ _ ____ 5 s t r _ _ e ____ 6 h _ _ r t d _ s _ _ s e ____ 7 d _ s _ b _ l _ t y ____
- 4 Complete the words. ► h u m a n human 1 p r d c t b l e ____ 2 d i s e a r ____ 3 f m n e ____ 4 h r m f l ____ 5 a t m o e r e ____ 6 e n v r o m n t ____ 7 p l l t n ____ 8 l q u d ____ 9 d s s e ____ 10 c l m t ____