中国大学MOOC: Sampling of an analog signal produces对一个模拟量采样，产生
举一反三
- Sampling of an analog signal produces对一个模拟量采样，产生 A: a series of impulses that are proportional to the amplitude of the signal.与信号幅值成正比的一系列脉冲。 B: a series of impulses that are proportional to the frequency of the signal.与信号频率成正比的一系列脉冲。 C: digital codes that represent the analog signal amplitude.表示模拟信号幅值的数字代码。 D: digital codes that represent the time of each sample.表示每次采样时间的数字代码。
- what is an analog signal? A: Analog signal is a continous values B: Analog signal is a discrete values C: Analog signal is sometimes continous,sometimes discrete
- What is the term that is used to describe the process of converting a signal from digital to analog？（） A: packetization B: quantization C: decoding D: sampling
- 关于 ADC0809,下列哪些说法正确: A: 只能接一个模拟量输入 B: 可以接8 个模拟量输入 C: 某时刻只对一个模拟量采样 D: 同时对8 个模拟量采样
- Generally, an analog signal can be reconstructed more accurately with A: more quantization levels B: fewer quantization levels C: a higher sampling frequency D: a lower sampling frequency E: either answer (a) or (c)