The lifetime is a critical parameter for time hopping ultra wide band(TH-UWB) wireless sensor networks.

生存期是跳时超宽带无线传感网的一个关键参数。

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The performance of time hopping pulse position modulation (TH-PPM) UWB system using this wavelet monocycle was studied under additive white Gaussian noise (AWGN) channel.

同时还研究了在加性高斯白噪声(AWGN)信道中，跳时扩频脉位调制(TH PPM)的UWB系统中使用该窄脉冲的系统性能。

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It assigns different PN time-hopping codes to different users. The signals for reference and symbol in a frame have the same time-hopping value.

该方式给每个用户分配不同的伪随机跳时码，根据跳时码参考信号和数据信号进行相同量的跳时。

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When Harley-Davidson beefs up its engines, its loyal customers waste no time hopping on.

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This time-hopping and time-wasting adventure stars Emilio Estevez as a race-car driver and Mick Jagger as the high-tech body snatcher who plunks Estevez out of a car wreck and sends him eighteen years into the future.

NEWYORKER: Freejack

The time-hopping premise of the series means that it can milk the Revolutionary War for a year or two, and then move on to an entirely new era with all the buzz that comes with that.

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