• 2021-04-14 问题

    The rate at which a continuous waveform is sampled is called the ______.

    The rate at which a continuous waveform is sampled is called the ______.

  • 2021-04-14 问题

    (Short-answer Question)Why must you hold a sampled value?

    (Short-answer Question)Why must you hold a sampled value?

  • 2022-06-06 问题

    Last year the company ______the best grapes on their vines to make this wine. A: sampled B: selected C: cheated D: made

    Last year the company ______the best grapes on their vines to make this wine. A: sampled B: selected C: cheated D: made

  • 2022-05-29 问题

    I have ____ all the cakes and I like Rosemary’s best. A: chosen B: finished C: sampled D: known

    I have ____ all the cakes and I like Rosemary’s best. A: chosen B: finished C: sampled D: known

  • 2022-05-29 问题

    I have ________ all the cakes and I like Rosemary's best. A: scheduled B: sentenced C: sampled D: saved

    I have ________ all the cakes and I like Rosemary's best. A: scheduled B: sentenced C: sampled D: saved

  • 2022-06-07 问题

    The children sampled spent a quarter of their time rapidly _____ “free time” watching television. A: devoting B: contributing C: managing D: decreasing

    The children sampled spent a quarter of their time rapidly _____ “free time” watching television. A: devoting B: contributing C: managing D: decreasing

  • 2022-06-07 问题

    A [tex=2.357x1.0]7qflA3rEKmWSipDA3jV3Ug==[/tex] sinusoidal signal is sampled at [tex=2.857x1.0]sSdkgCWSu/vvQQkWRfK5xw==[/tex] and 128 samples are collected and used to compute the 128-point DFT of the signal. What is the time duration in seconds of the collected samples?

    A [tex=2.357x1.0]7qflA3rEKmWSipDA3jV3Ug==[/tex] sinusoidal signal is sampled at [tex=2.857x1.0]sSdkgCWSu/vvQQkWRfK5xw==[/tex] and 128 samples are collected and used to compute the 128-point DFT of the signal. What is the time duration in seconds of the collected samples?

  • 2022-05-29 问题

    What made Rip Van Winkle fall asleep in the mountains? A: He had hunted hard all day. B: He had put in a hard day's work. C: He had sampled the strangers' liquor. D: He had hit his head while hunting.

    What made Rip Van Winkle fall asleep in the mountains? A: He had hunted hard all day. B: He had put in a hard day's work. C: He had sampled the strangers' liquor. D: He had hit his head while hunting.

  • 2022-05-31 问题

    Researchers are concerned that the weight of the average American school child is increasing implying, among other things, that children's clothing should be manufactured and marketed in larger sizes. If X is the weight of school children sampled in a nationwide study, then X is an example of A: a categorical variable. B: a discrete random variable. C: a continuous random variable. D: a parameter.

    Researchers are concerned that the weight of the average American school child is increasing implying, among other things, that children's clothing should be manufactured and marketed in larger sizes. If X is the weight of school children sampled in a nationwide study, then X is an example of A: a categorical variable. B: a discrete random variable. C: a continuous random variable. D: a parameter.

  • 2022-06-07 问题

    An analog signal x(t)=4sin(0.34πt) is sampled with the frequency 20Hz , then the expression of the discrete time signal x [n] is A: x[n]=4sin(0.034πn) B: x[n]=4sin(0.017πn) C: x[n]=4cos(0.034πn) D: x[n]=4cos(0.017πn)

    An analog signal x(t)=4sin(0.34πt) is sampled with the frequency 20Hz , then the expression of the discrete time signal x [n] is A: x[n]=4sin(0.034πn) B: x[n]=4sin(0.017πn) C: x[n]=4cos(0.034πn) D: x[n]=4cos(0.017πn)

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