不同的无限射频链路以不同的方式公用频谱带宽。
The available spectrum bandwidth is Shared in number of ways by various wireless radio links.
宝贵的资源，如频谱带宽的无线服务不断增长的需求，将带来沉重的负担。
The ever growing demand for wireless services has placed enormous burden on valuable resources such as spectral bandwidth.
每一个电视频道需要的频谱带宽相当于个人无线电台频谱带宽的600倍。
Each channel requires a bandwidth 600 times as wide as an individual radio station does.
虽然并非完全相关，但这种缓兵之计表明一定宽度的频谱并不意味着等量的数字带宽。
While not entirely relevant, this diversion indicates that a fixed amount of spectrum doesn't mean a constant amount of digital bandwidth.
因为WMTS没有多少带宽，这段频谱只预留给最重要的信号(比如心跳和呼吸)。
Since the WMTS does not have a lot of bandwidth, this piece of spectrum is reserved for only the most important signals (such as heart rate and breathing) data.
提高带宽容量最便宜的方法是增加更多频谱或是某个网络降低到更低的频率以使无线电波更容易穿透墙壁。
The cheapest way to increase capacity is to add more spectrum or to move a network to a lower frequency, which allows radio waves to penetrate walls more easily.
以1M hz带宽79跳来利用这个完整的可用频谱。
The entire available frequency spectrum is used with 79 hops of 1mhz bandwidth, analogous to the IEEE 802.11 standard.
区别在于频谱分析仪被设计成是实验室使用，设计成是带有很大可调范围和带宽等并覆盖非常大频率范围的仪器。
The essential difference is that the spectrum analyzer, being designed for laboratory use, is designed to cover an extremely wide frequency range with widely adjustable tuning range, bandwidth, etc.
需要研究更加有效的无线资源分配及管理策略，以便在有限的带宽上达到更高频谱效率、更高的发射功率利用率以及更好的系统性能。
A more efficient radio resource allocation and management scheme should be proved to transmit with higher spectrum and power efficiency and higher system performance.
分析了相位连续与不连续移频信号的频谱并比较了它们的带宽。
In this paper, the frequency spectrum and the bandwidth of the frequency shift signal with continuous and discontinuous phase are analyzed.
当可用带宽在WDMA与OCDMA之间不同的分配情况下，研究了该混合系统的总用户数和频谱效率。
Total users and spectral efficiency are studied under different proportion of total available bandwidth that is allocated to OCDMA and WDMA.
这些需求根据信道带宽和发射频率改变，控制允许发送的频谱。
These requirements govern the allowed spectrum of a transmission and vary according to the bandwidth of the channel and the frequency of transmission.
2009年，美国联邦痛惜委员会警告，关于迫在眉睫的频谱危机：因为我们的移动设备耗费如此大量的数据带宽，我们很快就会用完我们的无线频率带宽。
In 2009, the us Federal Communications Commission warned of a looming spectrum crisis: because our mobile devices are so data-hungry we will soon run out of radio-frequency bandwidth.
随着孔隙率、孔径的减小，多孔铝的共振吸声系数有所下降，吸声频谱曲线向低频方向移动，且频带宽度展宽。
When the porosity and pore diameter reduced, the sound absorption curve moved to the low frequency zone and the frequency bandwidth increased at the same time.
由于高速数据占用更宽的带宽，所以在调制制式上应该寻找一种适合于跳频通信特点的具有高频谱效率的调制方案。
Because high-speed data take up wide bandwidth, looking for one which have high efficiency modulation scheme and suitable for frequency hopping communication system is needed.
该方案允许未授权用户自适应地选取可用带宽，实现了动态频谱接入，有效地提高了频谱利用率。
In our scheme, unlicensed users are allowed to adaptively select available spectrum, adopt dynamic spectrum access technology, improving spectrum utilization effectively.
研究了利用频谱仪射频衰减、分辨带宽、视频带宽和视频平均的方法，提高和改善低电平信号的测量精度。
Improving measurement accuracy of low level signal is studied using RF attenuation, resolution bandwidth, video bandwidth, and video average.
事实是，虽然接口挑战了带宽的增长，问题却通过频谱出现了。
It is also the case that, though interface challenges grow with bandwidth, the issue arises throughout the spectrum.
使用多项式相消编码（PCC）训练符号进行信道估计，利用其频谱陡降的特点减少保护边带宽度，进而降低CIR泄漏。
To overcome the leakage of CIR, the frequency guard bands are reduced by using the polynomial cancellation coding(PCC) training symbols.
扩频通信是指在发送端将信号的频谱扩展到一个很宽的频带上，在接收端通过相关接收，将信号恢复到信息带宽的一种系统。
The SS communication is a system that the spectrum of signal is spreaded in a wide frequency band when transmitted, and is recovered by the correlation reception when received.
实验表明，太赫兹时域发射光谱和频谱在外加电场、磁场作用下都有增强，但是所发射的频率成分和带宽都没有改变。
The results show that THz emission spectra are enhanced by the applied electrical and magnetic field, while their frequency components and bandwidths are not changed.
多输入多输出（MIMO）系统是未来移动通信的关键技术之一，其特点是在不增加带宽的情况下提高通信系统的容量和频谱利用率。
Multiple Input Multiple Output (MIMO) system with higher gains in channel capacity is one of the key technologies for future wireless communications.
频谱压缩器压缩高频频带的预选择部分，并将压缩的高频频带映射到较低的有限带宽频率范围。
The spectral compressor compresses a pre-selected portion of the high frequency band and maps the compressed high frequency band to a lower band limited frequency range.
在保证频谱细化要求下，此改进算法可根据参数选择运算量最小的滤波器带宽和选抽比。
The improved algorithm selects the band width and down sampling ratio with the shortest computation time in accordance with the parameters.
在保证频谱细化要求下，此改进算法可根据参数选择运算量最小的滤波器带宽和选抽比。
The improved algorithm selects the band width and down sampling ratio with the shortest computation time in accordance with the parameters.
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