频带

After undergoing a chaotic region, the period number will add one, in the same time, magnitude of the subharmonic response increases in sequence as the rotational speed ratio increases. When the rotational speed is below the critical speed, the chaotic bands resulted directly from a perioddoubling bifurcation occur among the successive orders of superharmonic responses, then they can return directly to periodic motion by a reversed period-doubling bifurcation.

在转速小于临界转速的情况下，在分岔图中各个连续阶亚谐运动的转换区中分别都出现了经由一个倍周期分岔直接导致的混沌频带，后又直接由一个逆倍周期分岔转化为周期一的运动，同时在三个混沌频带之间都出现了幅值突跳的现象。

3I described two sub-band division method in the frequency domain, and brought forward idea that the energy unitary, and the use one of them to decompose and calculate the entire frequency band. After analysis the results, I could achieve to the band of each prompting and respond, and we used this section energy to determine whether or not unconventionality about the size of valve clearance.

3在频域中描述了子带的两种划分方法，提出了对能量进行归一化的基本思想，并用其中的一种划分方法对整个频带进行了分解计算，经过对计算结果的分析，得到了各个激励响应集中的频带范围，并由此段能量的大小来判断气门间隙有无异常。

ABSTRACT In this dissertation, in accordance with two projects from the National Defense Science Industry Committee:"The Laser Doppler Velometer for the Large-value and Wide-frequency-range Standard Negative-step-force"And"The novel kind Laser Vibrometer for vibration transducers calibration"have been studied deeply and systematically.

结合国防科工委85攻关项目："用于大力值宽频带标准力源发生装置中的激光多普勒测速系统"和国防攻关项目："用于加速度传感器复合灵敏度绝对校准的宽频带相位型激光测振仪"的研制。

Of, relating to, or having a wide band of electromagnetic frequencies

宽波段的，宽频带的：属于、关于或有电磁频率宽频带的

And the expression capacity of the information entropy to ERD/ERS was evaluated by mutual information.The phase sychronization was...

结果表明，时频域信息熵与频带能量具有一致的变化时程；时频域信息熵具有比频带能量更好的分离性，是事件相关去同步/同步的一个敏感的量化参数；时频域信息熵结合相同步相干性指数，能够提供更多反映大脑意识任务的状态信息。

Along with continuous development of broadband seismologic observation techniques, the density of global and regional digital seismologic observation networks is constantly increasing, and the quantity of broadband seismograph using for mobile seismologic observation will rapidly increase.

随着宽频带地震观测技术的不断发展，全球及区域数字地震观测台网的密度正在不断加大，用于流动地震观测的宽频带地震仪的数量将继续迅速增加。

A new Wavelet Image Coding method based on Predictive Quadtree-split is proposed in this paper. This method hybridizes the intra-band and inter-band coding.

1引言小波变换有很强的去相关能力，但各频带内部以及各频带之间的小波系数还存在一定的相关性，如何利用这种相关性是小波变换图像编码的关键。

There exist methods to construct the low band perfect filter banks, but no systematic and efficient ways to construct high band filter banks.

已经有构造低频带的完全滤波器库的方法，但对高频带的滤波器库，还没有系统而行之有效的方法。

This paper describes laminar small faults affected a number of factors to take specific measures :Pre-stack time migration through the use of technology to improve inter-layer tomography for the accurate identification and de脚本ion interlayer fault lay the foundation;Through meticulous depicts dip scanning technology to small fault;Phase-edge technology frequency bands using a broadband seismic data to better identify the fault system.

本文针对影响描述层间小断层的因素采取了多项有针对性的措施：通过采用叠前时间偏移技术改善层间断层成像，为准确识别与描述层间断层奠定基础；通过地层倾角扫描技术来细致刻画小断层；利用优势频带分频相位技术较好地实现了宽频带地震资料的断裂系统识别。

A duplexer separates an RF signal received from the built-in dual band antenna from an RF signal to be transmitted to the built-in dual band antenna.

双工器分离从内置双频带天线接收的无线电频率信号和要发送到内置双频带天线的RF信号。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。