研究光学系统离焦量和探测激光束参数对猫眼光学系统回波强度的影响。
The influences of the optical system focal shift and the detection laser beam parameters on the echo of cat-eye optical system are studied.
回波强度是气象雷达最重要的测量参数，包括强度探测范围和强度探测精度两个指标。
The echo intensity, the most important measurement parameter of wea ther radars, consists of the detection range and precision.
强降水与深对流云团及雷达回波强度强、回波顶高、VIL大的强对流单体有密切的关系。
Heavy rain is close connected with the deep convective cloud clusters and convective cells with the strong radar reflectivity, high echo top and big VIL.
强降水与深对流云团及雷达回波强度强、回波顶高、VIL大的强对流单体有密切的关系。
Heavy rain is closely connected with the deep convective cloud clusters and convective cells with the strong radar reflectivity, high echo top and big VIL.
通过对相关雷达参数的相对误差和回波强度绝对误差曲线分析得出，雷达参数天线增益优于0。
Through the correlation radar parameter relative error and the echo intensity absolute error curve analysis, when the radar parameter antenna gain surpasses 0.
而地表的辐射冷却，对近地层逆温的影响，表现为较强的回波强度峰值，对应气温变化的谷值。
That the surface's radiation cooling affects on the ground layer temperature inversion is presented as the relatively strong echo peak value corresponding to the temperature variety's valley value.
将安徽合肥新一代天气雷达观测的回波强度按上述方法加入到MM5中，形成敏感试验的初始场。
The echo intensity data of Hefei Doppler radar observations come into being the initial fields of MM5 sensitive experimentation.
本文从图像立体视觉出发，提出了一种利用目标照片进行三维重建进而计算其目标回波强度的方法。
In this paper, based on image stereovision, a method used for 3-d reconstruction of target image is introduced, and according to this method, target strength is calculated.
通常非相干的常规天气雷达的应用仅仅是通过雷达回波强度的探测来提供天气目标物的位置和其反射率的信息。
Usually, conventional incoherent weather radar is used to provide only the information on the position of a weather target and its radar reflectivity by detecting echo intensity.
在已有数据和理论模型的基础上，提出了雷达回波强度的计算方法，并对这种新型高度计系统进行了计算机模拟。
Based on available data and theoretical models, the method of computing the amplitudes of the radar returns and the computer simulation of this neW altimeters is presented.
较强的降水时段和有效的连续降水将大幅度消弱回波强度，并使其较长时间地维持在低指数状态，其相应能见度也大为改善。
Relatively strong rainfall period and effectively continuous rainfall can make the echo intensity decrease greatly and remain the low index for a long time, and the visibility turns well.
本文用711测雨雷达实测的冰雹云过程回波资料，分析了大小回波在雹暴形成中的演变过程以及回波强度和回波高度间的关系。
The evolvement of echo during the formation of hail storm and the relation of echo intensity with its height are analyzed by use of echo data. of the 711 rain radar.
本文在参考了大量文献的基础上，对差分吸收激光雷达探测化学毒剂的原理进行了深入分析，对影响激光回波强度的各种因素进行了详细的讨论。
Based on much literature, the principle of the DIAL system in detecting chemicals and the various factors that influence the laser signal intensity are investigated in detail in this paper.
研究结果表明：回波强度受导引头光路中光学镜头的相对孔径、摄像管靶面倾斜和离焦的影响较大；扫描激光光束的入射角等因素对回波强度也有一定的影响。
Research results show that the relative aperture of optical lens, the incline and defocusing of reflection plane in TV seeker optical system reduce the intensity of the "cat's eye" reflection.
检测回波能量就可获知目标物的存在、位置、大小、形状、浓度及强度。
Detection of echo energy could reveal the presence of a target and its location, size, shape, density and intensity.
当风吹得越来越强时，雷达回波会变弱。这可以用来测量越过海洋的风强度。
When winds are blowing hard, the radar echoes are fainter, giving a measure of how strong the wind is blowing over the oceans.
分析了“欠采样”成对回波和“速度失配”成对回波的形成机理，给出了成对回波定位和强度的通用计算公式。
The reasons of the paired false target echoes are analyzed and the paired echoes are divided into two types, one is called "undersampled type" and anather, "velocity mismatched type".
我们获得障碍物的距离信息和超声回波的强度信息，进行音频调制，向盲人提供更加丰富的信息。
The system acquired the distance information of obstacles as well as the power of reflected ultrasonic, and informs the blind with modulated audio signal.
根据作业云回波面积和强度的变化，可定性判断人工增雨是否有效。
According to the echo area and intensity change of target cloud, the qualitative judgment that the artificial rainfall is effective or not can be gotten.
总结出该型潜艇呈现的独特特征是正横方位目标强度大大高于其它方位，偏离正横的某一方位角也有强烈的回波。
We summarized the particular character of this type submarine, that is the TS in abeam is higher than other bearing and bearing angle departure abeam degree also has intense echo.
该方法极大地提高了在高强度直达波干扰下主动声呐提取目标回波的精度。
This method is greatly increased in the high-intensity direct wave interference under active sonar echo extraction accuracy.
应用闪电位置和强度资料与雷达回波图象相叠加，发现闪电出现频繁的区域，正好对应于雷达强回波区。
Put the lightnings' place and the intensity data on top of the radar echoes picture, it is found that the place where lightnings appear frequently is just the place where the radar echoes are strong.
该方法对提取目标回波信号、提升其信号强度、抑制杂波干扰和噪声有良好的效果。
This method is good for the echo signal is distilled and the intensity is advanced and the clutter and the yawp are restrained.
通过对24例胸腺瘤的MRI图像分析，归纳出胸腺瘤在MRI各回波时间图像上的信号强度及四种信号变化模式。
The MRI findings of 24 cases of thymomas were analysed, The signal intensities and four signal change patterns on multiecho sequence imaging were established.
由此表明，选择合适的声发射换能器，有助于提高液位检测回波信号的强度。
The result shows that in order to obtain the strong echo signal, a suitable selection of the ultrasonic transducer operating frequency is necessary.
MRC采用高级转换快速自旋回波序列(FASE)，二维和三维成像，图像经最大信号强度投影(mip)后处理。
MRC was performed with 2d, 3d fast advanced spin echo (FASE) sequence. The resulting slices were reconstructed with maximum intensity projection (MIP) into composite images.
对此本文提出了利用缺陷的回波信息调整后续驱动器激励信号强度，从而达到缺陷处等强度效果的可控强度激发技术。
The technology which can control the transducer's driving strength according to the message of Echo is proposed in this paper.
激光成像雷达主动发射激光，接收其反射回波，能成角-角-距离-强度像，较易于实现目标识别。
The imaging ladar is good at classifying objects because it can send laser actively, receive the reflected wave, and produce angle-angle-range-intensity image.
激光成像雷达主动发射激光，接收其反射回波，能成角-角-距离-强度像，较易于实现目标识别。
The imaging ladar is good at classifying objects because it can send laser actively, receive the reflected wave, and produce angle-angle-range-intensity image.
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