What is the coding method which represents the digital signal 1, 0 by changing the phase value of the carrier signal?
A: ASK
B: FSK
C: PSK
D: NRZ
A: ASK
B: FSK
C: PSK
D: NRZ
举一反三
- The analog and digital modulation types include ( ). A: PM, FSK, ASK, PSK, Sine B: Square, AM, FM, PM C: FSK, ASK, PSK, DC D: AM, FM, PM, FSK, ASK, PSK, DSB-AM
- What are the three basic forms of analog data coding? A: BSK, PSK, LSK B: ASK, FSK, PSK C: AKS, FKS, PKS D: BKS, PKS, FKS
- 通过改变载波信号的相位值来表示数字信号1、0的编码方式是（） A: ASK B: FSK C: PSK D: NRZ
- 数字信号处理的缩写DSP代表的含义是什么（ ） A: Digital Signal Processing ; B: Demand Side Platform ; C: Digital Signal Processor ; D: Digital Signal Process.
- 0、1等概的数字调制中（）和（）含离散谱，而只含连续谱 A: DPSK，MSK，PSK B: PSK，FSK， DPSK C: DPSK， FSK，PSK D: ASK， FSK， PSK