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The new kid on the radio block is ultrawideband, also known as UWB or digital pulse wireless.

这个无线电领域中的新东西就，也称UWB或数字脉冲无线。

The Advantest TR4135 is suitable for measurements on 900-MHz mobile radiotelephone equipment, fixed broadcast stations and mobile A-band equipment.

该爱德tr4135适合测量900兆赫移动无线电话设备，固定广播站和移动设备。

A new dynamic model is developed for simulating the widely tunable grating assisted codirectional coupler with rear sampled grating reflector (GCSR) lasers.

提出了个新的分析模型，用于可调谐GCSR激光器的动态特性模拟。

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测的般需要,通常采用纳秒到十纳秒量级的电磁探测窄脉冲,信号频谱具有从直流低频直到千兆赫兹的。

Meanwhile, experiment data and results are provided.Comparison with other methods indicates this circuit is an easy and useful noncorrelation detection method,and can get good ...

与其他方式的比较表明,该电路种简单实用的非关检测方式,与其原有的关处理部分结合可获得良好的信号接收效果。

Secondly, the structures of various multicouplers and their matching networks are introduced and discussed, and the design period of broadband matching network in multicoupler is presented in brief.

然后，本文对多种多路耦合器的结构方案进行了分析和比较，并讨论了匹配网络的设计方法，其中简要讲述了匹配网络的优化设计过程。