查询词典 frequency band

According to the method, analysis and reconstruction sub-band filters for near perfect reconstruction oversampled filter bank are designed, then nonuniform multichannel loudness compensation based on human auditory, the sensitive feature of frequency and sound pressure level is implemented.

该方法研究了完美重构滤波器组分析与综合滤波器的设计方法，并根据人耳对频率的灵敏度特征及对声强的感知特性实现了符合人耳听觉特征的非等宽多通道响度补偿方案。

There is a spectral band with the same center-frequency as that of the incidence pulse and two wider sidebands.

对聚合后光脉冲的频谱进行了分析，除了观察到与入射脉冲相同的中心频带外，还存在两个频带较宽的边带。

Thirdly, we employ the air-core PCF structure to overcome the shortage of high material absorption loss of plastics. So mostly light wave can propagate in air core once the light frequency falling in the bandgap band.

再次，本文针对塑料光纤材料吸收损耗过大这一缺点，把塑料作为空芯光子晶体光纤的基质，制成空芯塑料光子晶体光纤并使传输光频落在带隙内，这样一来，就能让大部分光在空气芯中传输。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。