横向分辨率

提高地震剖面横向分辨率与压制噪音的试验研究

Trial on improving horizontal resolution and attenuating noise in seismic section

地震偏移是提高深部地震资料横向分辨率的主要手段。

Seismic migration is a main tool to improve horizontal resolution of the deep seismic reflection data .

OCT的动态聚焦是一种在大成像深度范围内保证横向分辨率的有效方法。

Dynamic focusing is an effective method to keep high lateral resolution of OCT.

匀加速旋转目标ISAR成像的横向分辨率

Cross range resolution of ISAR imaging for the uniformly accelerative rotating target

这暗示了在OCT中，轴向分辨率从横向分辨率开始解耦，该过程依赖于样品臂的成像光学技术。

This implicitly indicates that in OCT , the axial resolution is de-coupled from the transverse resolution , which is dependent on the sample arm imaging optics .

分析研究表明，Flexi面元（R）法不能实现既节省勘探投入又提高横向分辨率的目的。

The studies shows that it is incapable for Flexi-Bin ( R ) method to improve seismic lateral resolution while decrease the cost of exploration .

针对OCT系统横向分辨率和纵向成像范围间的矛盾，提出一种基于液晶菲涅耳波带透镜的OCT动态聚焦方法。

To resolve the conflict between the transverse resolution and depth imaging range , an approach to realize dynamic focusing in OCT using liquid crystal Fresnel zone lens is proposed .

为了提高图像的横向分辨率，引入了合成孔径聚焦技术（SAFT，syntheticaperturefocusingtechnique）。

SAFT ( synthetic aperture focusing technique ) was introduced for improving lateral resolution of the image .

设计了以医用显微镜为探头的光学相干层析（OCT）系统，实验结果表明系统纵向分辨率为18μm，横向分辨率小于20μm。

A surgery-microscope-based optical coherence tomography system is designed . The experimental results demonstrate this system can achieve an axial resolution of 18 μ m and lateral resolution of less than 20 μ m.

逆合成孔径雷达（ISAR）和合成孔径雷达（SAR）都是利用目标（场景）与雷达的相对运动，提高横向分辨率，实现对目标（场景）的成像。

Inverse synthetic aperture radar ( ISAR ) and synthetic aperture radar ( SAR ) both utilize the relative motion of the target ( scene ) and radar to improve cross range resolution , and then obtain the target 's image .

但是，当成像距离相当近时，用惯常的B-P法，声像的横向分辨率将被空间取样间隔所限制，达不到成像系统应有的瑞利分辨率。

When the imaging distance is very small , the lateral resolution will be constrained by the spatial procedure sampling spacing if the traditional procedure of B-P method is used .

非零井源距VSP还可以对井周围和远离井的地层构造进行较高垂向和横向分辨率的成像，通过对VSP资料中纵波和转换波的研究可以有效的求取地层岩性参数变化情况。

Offset VSP can also well away from the well of the ground around the structure and a higher vertical and horizontal imagination through the VSP P-wave and converted wave of research can effectively obtain the changes of lithology parameters .

实践结果表明，光学形貌仪的横向分辨率为0.5μm，在不采取任何隔振和环境控制措施的一般场合下，形貌仪具有优于1nm的垂直分辨率和重复测量精度。

Experimental results demonstrate that the vertical resolution and the repeatability of the instrument are both less than 1 nm under an ordinary environment .

由于ISAR目标的非合作性，总转角未知，因此横向分辨率未知，导致ISAR像不能反映目标真实尺寸，不利于目标识别。

The total rotation angle is unknown due to the non-cooperative characteristics of the ISAR target , so its cross-range resolution is unknown , as a result , the ISAR image can not reflect the real size of the target , which is not conducive to target recognition .

仪器的横向分辨率为2μm，高度分辨率为1nm，它不需要对试样作大范围的调整，且可用试样自身作参考面。

The lateral resolution is less than 2 μ m and the vertical resolution is less than Inm . No extensive alignment of the sample is needed and the sample is used as reference surface also .

在相对孔径为0.9，波长为1.41mm的条件下，横向分辨率为2mm，3dB焦深为17mm，第一旁瓣比主瓣下降17dB。

For a case in which the F-number is 1.1 and the wavelength is 1.4 mm , the lateral resolution is 2 mm , the focal depth ( 3 dB ) is 17 mm , and the first side lobe is 17 dB lower than the main lobe .

光学的启示&地震资料横向分辨率问题辨析

Inspiration of optics : Discrimination of lateral resolution of seismic data

菲涅耳带是衡量地震横向分辨率的一个重要参数。

Fresnel zone is an important parameter of seismic lateral resolution .

脉冲激光测距仪横向分辨率的分析

Analyses of the lateral resolution of a pulsed LRF

感音全息摄影技术已经取得了较高的横向分辨率，但轴向分辨率并不理想。

Acoustic holography has attained a high lateral resolution but a poor axial resolution .

合成孔径聚焦技术可以实现在较低的工作频率下获得较高的横向分辨率。

Synthetic aperture focusing technique can be achieved high lateral resolution at a lower frequency .

常规的波阻抗反演方法只利用了地面地震数据，而地面地震数据虽然具有较高的横向分辨率，在垂向上的分辨能力却比较低，这样导致得到的反演结果往往精度不够高。

Although surface seismic data has high lateral resolution , its vertical resolution is low .

这种方法可以实现利用较少的接收通道实现较大的接收孔径，提高图像的横向分辨率。

And the use of high numerical aperture lens in the probe improves the lateral resolution .

该技术纵、横向分辨率高，相关系数高，工作方法独特。

This technique operates very uniquely and promises big correlate coefficient , vertical and lateral high-resolution .

也就是说长焦深和高横向分辨率是不可能同时实现的。

That means high lateral resolution and long focusing depth can 't be produced simultaneously in standard OCT.

它既能提高系统的轴向分辨率又不影响其横向分辨率。

According to superresolution theorem of improving axial resolution , a new axial pupil filters are proposed .

相对于其它地球物理方法而言，地震反射方法的纵向分辨率较高，横向分辨率较低。

Vertical resolution of reflection seismic record is better to horizontal resolution as opposed to other geophysical methods .

薄层解释的关键在于提高地震记录的纵、横向分辨率。

The key to thin layer interpretation is to improve the vertical and lateral resolution of seismic record .

反向传播法声成像中空间频率取样窗与横向分辨率的关系及高阶像问题

Relation between spatial frequency sampling window and lateral resolution in backward propagation acoustical imaging and problem OP high-order images

为此，根据该区的地质任务和勘探技术难点，进行了高分辨率地震采集技术研究。采用了有针对性的方法和技术：①用小面元来提高地震资料的横向分辨率；

According to the geological task and technique difficulty , small bin is used to improve seismic data resolution .