查询词典 waveform

We investigated broadband seismographic waveform data in 7~13 May 2008 from 40 seismic stations of the National Digital Seismograph Network of China after the 12 May 2008 Wenchuan earthquake, showing that obvious precursor was widely detected throughout China.

2008年5月12日8.1级汶川大地震发生后，我们对国家测震台网的40台宽频带地震仪在5月7日~5月13日的观测数据进行了分析。

A high resolution ranging method is described utilizing a novel modulated waveform, hereafter referred to as coherent burst modulation. The laser is sinusoidally modulated for a brief period of time and then is off for a much longer period of time.

在脉冲相位式激光测距中提出采用连续发射的正弦调制脉冲信号提高发射激光的峰值功率以提高测程，但发射激光的平均功率被保持很低保证了发射激光对人眼的安全。

The abnormality of the mVEP waveform in amblyopia decreased with the eccentricity increased, such changes in mERG were only found in strabismic amblyopia.

在所有离心度mVEP波形异常私i度均大于mERG，但在中心区两者的差距更明显。

To better understand the regional tectonics, we have inverted local and teleseismic broadband waveform data to determine the focal mechanism of this earthquake.

为了更好的认识区域构造，我们利用近震及远震波形反演的方法得到了此次文安地震的震源机制。

Prestack migration method presented in this paper should be developed to apply in observational teleseismic P waveform data, to study the inhomogeneity of crust and upper mantle.

对本文所提出的接收函数叠前偏移方法作进一步的发展，可以用于实际的远震体波波形数据，在揭示地壳上地幔结构的横向非均匀性研究中，具有颇为广阔的应用前景。

The space between stations is about 3-20 km.The crust and upper mantle structure down to 100 km deep along our profile is obtained from our teleseismic waveform data in terms of the receiver function method.

利用记录的远震P波波形数据和接收函数方法，获得了沿剖面100km深度范围内地壳上地幔S波速度结构以及地壳上地幔一级间断面的形态。

Finally, to demonstrate its applicability in identifying underground explosions, we also applied the improved RAM method to the underground nuclear explosion detonated by DPRK on October 9, 2006. The result shows that there is no fault plane solutions matching the overall P waveform characteristics at teleseismic stations.

最后，为了说明相对幅值法在地下核爆炸地震事件识别中的应用，利用改进的相对幅值法分析了朝鲜2006年10月9日核试验的远震P波波形，发现没有断层面解与远震台站上的P波波形特征相吻合。

The main work of this dissertation is as follow:Based on understanding teleseismic waveform utilization, history of receiver function development, extract receiver function, receiver function inversion and stack, debug the receiver function extract and inversion routine.

同时日本海俯冲带是世界上最古老的俯冲带之一，是研究俯冲带的俯冲对大陆构造运动的影响，俯冲板块与地幔的相互作用，特别是俯冲板块对地幔间断面形态的影响以及俯冲带是否穿过660km间断面等问题的最佳场所。

Based on the large amount of teleseismic waveform data recently collected in North China, we are to construct high-resolution seismic images for the lithosphere and upper mantle structure of the region using the newly developed receiver function wave equation poststack migration technique.

利用华北地区丰富的远震波形资料，采用最近发展的远震接收函数波动方程叠后偏移成像方法，研究该地区岩石圈和上地幔的高分辨率结构图像。

The result of GPR investigation in west Jilin shows that the radar waveform of saline-alkali soil is different from that of tillable soil, and this can be used to distinguish tillable soil from saline-alkali soil. The extent of salinization can be determined according to the relativity of spectra.

吉林西部盐碱地区的探地雷达调查表明，盐碱地与耕地土的雷达回波具有明显差别，根据振幅的衰减特征可以精确区分耕地与盐碱地，根据频谱中高频峰值与土壤有机质含量的相关性可定性评价土壤的盐碱化程度。

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。