宽频带

The rupture process of 2009 October 7 Vanuatu earthquake was obtained by inverting the broadband seismic data of Global Seismographic Network based on the fast inversion method of earthquake rupture process within 3 hours after the earthquake occurrence.

运用地震破裂过程快速反演方法，在2009年10月7日瓦努阿图地震发生后，采用全球地震台网的宽频带地震资料，快速反演了这次地震的破裂过程，在震后3小时内得出了这次地震破裂过程的反演结果。

The rupture process of 2009 July 15 off west coast of South Island of New Zealand earthquake was obtained by inverting the broadband seismic data of Global Seismographic Network based on the fast inversion method of earthquake rupture process within 4 hours after the earthquake occurrence.

运用地震破裂过程快速反演方法，在2009年7月15日新西兰南岛西海岸近海地震发生后，采用全球地震台网的宽频带地震资料，快速反演了这次地震的破裂过程，并于震后4小时内得出了这次地震破裂过程的反演结果。

The rupture process of 2009 September 29 Samoa Islands region earthquake was obtained by inverting the broadband seismic data of Global Seismographic Network based on the fast inversion method of earthquake rupture process within 3.5 hours after the earthquake occurrence.

运用地震破裂过程快速反演方法，在2009年9月29日萨摩亚群岛地区地震发生后，采用全球地震台网的宽频带地震资料，快速反演了这次地震的破裂过程，并于震后3.5小时内得出了这次地震破裂过程的反演结果。

Meanwhile,the rate of accumulation of broadband digital seismologic observation data is increasing exponentially,meaning that the research on high resolution seismic imaging of earthquake source rupture process and internal structure of the earth will be an important development trend of seismology in the 21st century.

与此同时，宽频带数字地震观测资料的积累速率按指数增长，这意味着震源破裂过程及地球内部结构的高分辨率地震成像研究将成为21世纪地震学发展的重要趋势。

The relationship between research on seismology and on dynamics of the earth will be closer and closer with each passing day,the role and importance of broadband mobile seismologic observation will certainly grow day by day.

地震学与地球动力学研究的关系将日趋紧密，宽频带流动地震观测的作用和重要性必将与日俱增。

Based on the SKSwave splitting analysis on the seismic records at 143 broadband permanent and temporary stations deployed in the eastern Tibetan Plateau and its vicinity, we have determined the fast polarization direction and delay time between fast and slow waves at individual stations; the pattern of SKSsplitting fast polarization direction exhibits the flow direction of upper mantles material in the eastern Tibetan Plateau, i.e., the clockwise rotation around the Eastern Himalayan Syntaxis.

根据青藏高原东部及其邻区布设的143个宽频带固定和流动地震台站的远震记录的SKS波分裂分析获得了各台站的快波偏振方向和快慢波之间的时间延迟。

In first part, presented large-frequency-range and phase-sensitivity laser vibrometer's general scheme and described the measuring principle and feasibility, based on a survey of transducers calibration methods at home and abroad and the project's index.

对动态计量和传感器校准作了一般性介绍后，本文分成两个部分，分别对该两课题进行详细介绍。第一部分在分析了目前国内外加速度传感器的校准技术和课题指标的基础上，提出了宽频带相位型激光测振仪振动测试总体方案并详细描述了测量原理及可行性的论证。

A new approach for estimating the miss distance parameters of target was presented based on the extraction of target motion trajectory in space using range-only tracking measurements.

脉间步进频体制脱靶量测量系统发射高距离分辨率的宽频带信号，得到精确的目标距离信息，并通过距离差定位算法获得目标的空间位置。

The cavity depth of the structure changed gradually from 70mm to 140mm. The structure has wide frequency range and low frequency absorbing characteristic, can be useful to absorb the diffracting sound over the top structure.

这种结构空腔深度为70mm~140mm，空腔截面逐渐变化，具有吸收低频及宽频带噪声的特点，可以更好吸收顶部绕射声。

The recoder a broadband digital instrument of large dynamic range, and can be used for recording earthquake data on the ocean bottom or in remote land areas.

海底地震数据记录器是一种大动态、宽频带数字仪器，能用于海底或陆地边远地区记录地震数据。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。