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- QAM at a fixed point-to-point digital microwave systems in the wider application, it has a very high frequency spectrum utilization. QAM在固定的点对点数字微波系统中应用较广泛，它具有很高的频谱利用率。
- frequency spectrum utilization 频谱利用率
- A filter whose transfer function is matched with the frequency spectrum function of input signal. 其传递函数与输入信号的频谱函数相匹配的一种滤波器。
- Alters the frequency spectrum of signals passing through it. 当通过它时能够改变信号的频谱。
- Frequency Spectrum Measurement of Noise of Image Intensifiers[J]. 引用该论文 钱芸生;常本康;童默颖;刘磊.
- The inverted frequency spectrum,in fact, is Fouriers retransform. 倒频谱是频域信号的傅里叶再变换。
- The simulation results show that the pulse designed by this algorithm can perfectly meet the requirement of FCC emission mask and has higher spectrum utilization efficiency. 仿真结果表明该算法设计的脉冲不仅能很好地满足FCC辐射掩模的要求，而且具有较好的频谱利用率。
- A system that divides the frequency spectrum of a signal into a number of bands, which are separately transmitted and then recombined. 一种先将一个信号的频谱分成几个可独立传送的频带然后再合成的方法。
- The simulation results reveal that MB-DSM scheme not only improves the spectrum utilization and the operator’s profit, but also mitigates effectively the interference between wireless networks. 仿真结果表明，该频谱管理机制提高了频谱利用率以及运营商的收益，并有效地抑制了系统间的干扰。
- high utilization rate of frequency spectrum 高频谱利用率
- The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of uexp( tt/ Pw) Multiply by Carrier with Uniform Phase Noise. 单边递减波电压讯号乘上含有均匀相位杂讯载波之调变讯号时域波形及频谱。
- The entire available frequency spectrum is used with 79 hops of 1Mhz bandwidth, analogous to the IEEE 802.11 standard. 以1Mhz带宽79跳来利用这个完整的可用频谱。这类似于ieee 802.;11标准。
- Peaking in the frequency spectrum due to repetition of signals by multiple reflection is not confined to water layers. 多次反射波引起的信号重复在频谱中造成的峰值增多，并不仅仅局限于水层。
- Each 1.5MHz frequency spectrum of DAB can transmit six sets of programmes with CD quality. DAB每1.;5兆赫的频带可供传送六套CD音质的节目。
- The suggestions on the further research of the frequency spectrum analysis are provided. 就频谱分析的进一步研究提出了建议。
- effective gain in spectrum utilization 频谱利用有效增益
- Moreover, since the atoms are in random thermal motion the frequency spectrum will be altered by the Doppler effect. 而且，由于原子是在作无规则热运动，多普勒效应也会使频谱发生改变。
- Dynamic data exchange ( DDE) techniqueFigures such as space spectrum, frequency spectrum, etc. （2）动态数据交换（DDE）技术
- spectrum utilization characteristics [电] 光谱利用特性
- spectrum utilization characteristic 频谱利用特性
