查询词典 radio-frequency spectrum

With the rapid development of wireless communications technology,radio spectrum has become a scare resource.

0引言随着无线通信技术的飞速发展，无线电频谱资源日趋紧张。

The primary task of cognitive radio is to detect spectrum holes.

认知无线电的首要任务是检测频谱的空洞。

But the consensus is that radio spectrum will eventually become scarce even for operators.

但是， 目前的共识是，无线电频谱最终将成为稀缺甚至对运营商。

This 20 MHz spread is a fairly narrow "window" in the spectrum of available radio frequencies.

这20MHz的频率在可用射频范围是个相当狭窄的"窗口"。

This development is partially supported by "The research and development project for expansion of radio spectrum resources" of the Ministry of Internal Affairs and Communications, Japan.

这方面的发展是部分支持"的研究和发展项目，扩大无线电频谱资源"部的内部事务和通讯，日本。

But Wi-Fi has limited bandwidth, and it's unclear where to find more in the already-crowded radio spectrum.

但是Wi-Fi的带宽受限，我们不清楚是否能从本已拥挤的射频频谱中再挤出更多的带宽。

Due to the necessity of sharing the radio spectrum, mutual interference limits system capacity.

因为必对有限的频谱作适当的分配，否则干扰会影响系统的容量。

The radio spectrum for UWB is divided into several band groups, with different worldwide regulations applying to the bands.

无线电频谱的UWB是分成几个波段的群体，不同的世界条例适用于带。

This growth has triggered a confliction between the needed capacity and the limited radio spectrum resources.

移动通信业务量的迅速增加和有限的频谱资源的矛盾日益突出。

Deliberate radiation or reradiation of electromagnetic waves so as to impair the usefulness of a specific segment of the radio spectrum that is being used by the enemy for communication or radar.

人为地辐射或反向辐射电磁波，使一段特定的无线电波谱的可用性削弱，而这一波谱段是由敌人的通讯或雷达所使用。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。