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1·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。

2·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。

3·Laurahas mapped out a course hopping from port to port that means she will getplenty of time on dry land and visits from family during the voyage.

劳拉制定了港到港的航行路线，这也意味着她有足够的时间呆在陆地上而且也能在旅程中跟家人团聚。

4·Over time, they’ve spread through our genomes and though they’re still capable of hopping from one place to another, they do so quite rarely.

尽管还有能力跳来跳去，它们已经很少这么做了。

5·Spend time video-hopping on YouTube for related videos.

在视频网站上寻找相关的视频。

6·Guests will have privacy - the island, the butlers, the yacht, speedboat, dining anywhere - anytime and spa services, diving and island hopping and picnics at their own pace and time.

来宾将有隐私-岛上的管家，游艇，快艇，餐厅可随时随地使用和水疗服务，跳水，跳岛，野餐自己的进度和时间。

7·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。

8·Then, this dissertation analyses the basic UWB waveform and compares two different data modulation schemes which adopting time-hopping modulation.

接着，在分析了基本的UWB 波形的情况下，研究比较了采用跳时调制不同的数据调制方案。

9·The UWB impulse radio technology is a new kind of communication method these years, in which the swash impulse and time-hopping code modulation techniques are mainly applied.

超宽带冲激无线电技术是近年来新兴的通信技术，其主要核心技术是采用了冲激脉冲技术和跳时码调制。

10·In the UWB wireless communication system, time-hopping technique plays a key role.

在超宽带无线电通信中，跳时技术起着至关重要的作用。