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。
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。
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。
Secondly, the performance of time-hopping sequences based on permutation-sequences, quadratic congruence sequences, cubic congruence sequences and hyperbolic congruence sequences are compared.
对置换跳时序列与二次同余跳时序列、三次同余跳时序列、双曲同余跳时序列进行了性能比较。
The number of time-hopping sequences directly determines the number of users in the communication system, while it is also a reliable guarantee of the synchronization and channel detection.
跳时序列的数目即是该通信系统中用户的数目，同时它也是整个通信系统同步与信道检测的技术上的保证。
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。
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。
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