波组

结果两组完成随访138例，J波组抵达随访终点73例，发生心脏事件25例；对照组抵达随访终点65例，发生心脏事件8例。

Results 138 cases were completely investigated , 25 cases of 73 patients had cardiac events in J wave group , and 8 cases of 65 patients had cardiac events in control group .

运用重复测量的方差分析评价各疗程结束后两组患者症状体征量化表积分，疏密波组患者的症状体征量化表积分随时间变化趋势比疏波组明显（P＜0.05）。

Using the analysis of variance to analyze TCM symptoms and signs quantitative table integral of the two groups of patients after the treatment , The condensation-rarefaction wave group was much better than control group in improving TCM symptoms and signs on quantitative table integral ( P0.05 ) .

联合组癌细胞的存活率、分裂指数、集落形成率与对照组、药物组和冲击波组比较明显降低，P＜0.01。

The tumor cells of combination group can not recover its original growth potential and the viability , mitotic index and colony forming rate decreased markedly ( P < 0.01 ) .

中值滤波较通常的二维视速度滤波更能有效地突出波组特征，分离VSP波场的效果也较二维滤波优越。

Median filtering can highlight wave band better than 2-D velocity filtering does . It also causes a better VSP wave field separation .

J波组恶性室性心律失常的发生率明显高于无J波组（28.57%vs1.83%，P0.01），差异有极显著性，其中J波组有5例患者发生室速，1例发生室颤。

The percentage of malignant ventricular arrhythmia was significantly different between J wave group and non J wave group ( 28.57 % vs 1.83 % , P0.01 ) . J wave group had five patients suffering from ventricular tachycardia , and one patient suffering from ventricular fibrillation .

在对地震剖面作出明确规定基础上，通过声波合成地震记录、提取子波、剖面波组分析、反求平均速度、模型实验、VSP等方法确定地震剖面的极性，以便准确标定。

Based on clarification of the definition for seismic section , the polarity of seismic section was determined via acoustic synthetic seismogram , wavelet extraction , section wave group analysis , mean velocity inversion , model experiment , VSP , and etc , to facilitate calibration .

利用地震波组特征的精细相干扫描方法

Fine coherent scanning method by seismic wave group feature

深倒置T波组则无1例发生，P<0.01。

In deep - inverted T wave group .

在波组较多的条件下，完全非阻塞条件将浪费大量资源。

A lot of resources will be wasted for completely non-blocking under multi-group wave conditions .

上海第四纪地层中反射地震波组的地质含义初析

Preliminary Studies on Geological Implication of the Seismic Reflection Wave Group in Quaternary System of Shanghai

预测的苍溪礁滩相具有典型的进积型层序地层特征，在地震剖面上并且具有可靠的波组下拉现象。

The predicted Cangxi reef and shoal facies show the characteristics of typical progradational sequence stratigraphy with reliable push-down .

目前运用较广泛的方法是，利用2种震源资料的重复叠加段求取匹配算子，然后进行匹配滤波，但该方法要求重复叠加段有可靠的波组特征和较高的信噪比。

This method requires assured composite wave characteristics and high S / N ratio of the repeated stack interval .

界面上、下地层的层速度变化大，反射波组特征差异明显。

The variation of interval velocity and the difference of reflector features are obvious under the bound and on the bound .

同时，还探讨了共振三波组的守恒律以及共振激发过程中能量的转换。

Meanwhile , we examine the conservation law of three-wave resonance system and the transformation of energy in the course of resonance excitation .

处理后的三维叠后剖面中存在一个浅层的反射层，波组特征明显，波形稳定，可连续追踪。

A shallow reflecting layer exists in the post-stacking profile , which is with distinctive wave-group characteristics , stable waveform and continuous traceableness .

在进行高分辨率地震资料处理时，长排列资料往往会出现大炮检距的波组低频化现象，使得地震剖面的分辨率降低。

Long array data will present cannon offset and low frequency wave in high resolution processing , reduce the resolution of seismic section .

最终处理剖面信噪比较高，地震波组特征明显，满足了该区构造解释的需要。

The processed profiles have high S / N ratio and clear seismic wave group feature , so meet the structural interpretation demand .

因此，高分辨率地震资料解释须做到：解释前检查资料的频率成分，以保证地震剖面的波组特征；

Therefore , it must check up the frequency components of data before interpretation in orde to guarantee the wave group character of seismic section ;

振幅的恢复和保真处理，对波组特征、叠加成像和特殊处理效果有着直接的影响。

The problem of wave group feature and efficiency of stack and inverse processing are discussed from the view of amplitude recovery and fidelity in this paper .

结果：毫米波组显效率达68.0%，短波紫外线组显效率59.3%，超短波组显效率29.1%，差异有极显著性意义（P<0.01）。

RESULTS : The total effectiveness rate was 68.0 % in millimeter wave group , 59.3 % in short-wave ultraviolet group and 29.1 % in radiofrequency wave group .

通过地震反射剖面综合解释，查明了地震剖面上不同波组的地质意义，清晰地勾勒出韧性剪切带、榴辉岩体和断层在空间上的产出特征和展布规律。

Comprehensive interpretation to seismic sections finds out geological implication of different wave groups and clearly sketch occurrence and distribution of ductile shear belt , eclogite body and fault .

寒武系与下伏前寒武系之间存在明显的角度不整合关系，地震剖面上寒武系为一套连续强振幅反射波组。

It is an obvious angle unconformity relationship between Cambrian and Anti-Cambrian . The Cambrian on the seismic section is a set of continuous black deflection reflection wave group .

在大庆油田三维地震区块的资料处理结果表明，成果剖面中各反射层位波组特征清楚，层间信息丰富，波形自然稳定，断层走向清晰，断点干脆，能够较好地满足地震资料解释的要求。

The Daqing oilfield 3D processed seismic data result proves that there are some more clear reflection events , faults and stable waveforms within each reflection layer on the seismic section .

在扫描时使用变化的时窗长度和时窗端点，通过加权求和扫描寻优，实现了包括反射波组平移、伸缩、增减等多种变化情形在内的复杂道间关系的描述。

This method uses varied length and points for scanning windows , and the information of time shifting , stretching , compressing , adding and vanishing of the events can be obtained .

在实际地震资料处理的成果剖面上，各反射层位的波组特征清楚，层间信息丰富，波形自然稳定。

In practical seismic data processing achievement profile , wave group characteristics of every reflection zone are clear , information of layer to layer is rich and wave shape is natural and stable .

地震剖面上的反射波组，既反映了波阻抗界面的存在，也常常反映了密度界面的存在。

The seismic events , recorded from seismic survey , are the reflection of either the existance of the wave impedance interface , or in most cases , the existance of the density interface .

以深&时转换为基础，确定合成记录与井旁地震道的波组特征对应关系，把相应地质层位标定在地震剖面上；

Taking depth time transform as a basis , determining the corresponding relation of wave group characters between synthetic seismogram and seismic traces near borehole and labeling the seismic profile with corresponding geologic horizons ;

泉四段地层在地震反射剖面上呈现4个相位组成的波组，从与钻井和测井资料的对比中发现，其中每个相位均有确定的地质意义。

The Quan Formation forth segment showed the wave group consisted from 4 phases on seismic reflected sections . It is discovered from correlation with drilling and logging data that each phase has definite geologic significance .

多层界面地震模型计算的实现，为实测资料的波组解释提供了依据，并对开展地震资料数字处理的方法研究提供了理论记录。

The realization of the calculation for multi-layered seismic model provides a scientific basis for the interpretation of the wave groups on live data and offers synthetic records for the examination of seismic digital data procssing .

实际资料处理表明，采用上述处理手段，提高了资料的信噪比，增强了同相轴的连续性，突出了反射波组特征。

The actual processing shows that the above mentioned processing methods can improve the S / N ratio of the seismic data , enhance the consistency of event , and stress the characteristics of the reflection group .