radio spectrum

By analysis of the intermediate frequency signals which through eight antennae and receiver channels, eight channels radio spatial spectrum direction finding system can reach the purpose of finding radio direction.

八通道无线电空间谱测向系统通过分析经过八路天线和接收机通道以后的中频信号达到确定无线电信号方向的目的。

The method of flatting the baseline curvature of molecule radio spectrum

射电分子谱线的基线平直处理方法

Vast amounts of energy, from X-rays right through the spectrum down to radio waves, are escaping into space

大量的能量，从X光直到无线电电波，都正被泄露到太空中去。

The Solar Radio Patrol Network of USAF and the Examination of Prediction Accuracy of the U-Shaped Radio Spectrum for Cycle 21

USAF太阳射电全球巡视网及其第21太阳活动周U-型谱预报精度的检验

Spread spectrum technology competes in the unregulated portion of the radio electromagnetic spectrum.

扩频技术是在无线电电磁频谱中无条例管制的部分中竞争.

Vast amounts of energy, from X-rays right through the spectrum down to radio waves, are escaping into space...

大量的能量，从 X 光直到无线电电波，都正被泄露到太空中去。

The long-touted scarcity of radio spectrum in the future may be replaced by a surfeit of available frequencies.

困扰大众已久的无线电频谱不足问题，未来将变成可用频率太多。

The Radio Spectrum Monitor and Analysis Systems Design and Realization

无线电频谱监测与分析系统设计及实现

The radio spectrum used in narrowband Personal Communications Services ( PCS ).

用于窄带个人通信业务 ( PCS ) 的无线频谱.

the electromagnetic/radio/sound spectrum

电磁波谱；射频频谱；声谱

Vast amounts of energy, from X-rays right through the spectrum down to radio waves, are escaping into space.

大量的能量，从X光直到无线电电波，都正被泄露到太空中去。

They accuse phone operators of ransacking the radio spectrum for wavelengths to exploit, and regulators of failing to protect the natural frequencies vital for Earth observation from space.

他们指责手机运营商洗劫无线电频谱的波长为自己所用，监管者也没能保护对太空地球监测至关重要的自然频率。

Bosses bemoaned the downturn and demanded free radio spectrum to stimulate the industry.

大佬们唉叹业绩下滑,要求免费的频谱来刺激行业的发展.

Rational usage of limited radio spectrum resources is the focus of attention in order to improve spectrum utilization. System sharing can effectively improve the frequency efficiency, but in order to ensure the operation, it is necessary for two systems to sharing study.

系统共用可以有效的提高无线电频谱的使用效率，但是为了保证共存的系统都能正常工作，首要的研究工作是对系统间进行干扰分析研究。

The radio spectrum is a well-deserved basic support resource in the existence and development of The Internet of Things.

在物联网存在与发展的诸多资源要素中，无线电频谱是当之无愧的基础性支撑资源。

Over the past years, we have witnessed a dramatic development of wireless communication technologies. The demand for radio spectrum resource increases ceaselessly.

在过去的十几年里，人们已经目睹了无线通信技术的迅猛发展，人们对于无限频谱资源的需求也在日益增长。

As one kind of finite nature resource being shared by human, radio frequency spectrum have the three-dimensional characteristic of the extensity, timeliness and frequency, but it is not be restricted with terrain, airspace and time.

无线电频谱作为一种人类共享的有限自然资源，具有空间、时间和频率的三维特性，又不受地域、空域、时域的限制。

Aiming at improving the spectrum utilization efficiency via employing the cognitive radio technology into practical communication, the communication system in this paper can make better use of the spectrum resources with some tolerable loss of communication efficiency.

本系统凸显了认知无线电理论运用于实际通信中对频谱利用率的提升，使系统内的用户能够在损失少量通信实时性的情况下高效地利用频谱资源。