| 1. | An improved measurement technique for atmospheric attenuation of laser transmittance 提高室外遮蔽物透过率测量精度的一种方法 |
| 2. | To ensuring the transmitting quality , the influences of atmospheric attenuation and turbulence to laser transmission is analyzed in the paper 为了保证无线光通信的质量,本论文还深入分析了大气衰减效应和大气湍流效应对激光传输的影响。 |
| 3. | Due to the uncertainty of factors such as far - range , atmospheric attenuation and operated target , a steady and reliable method and setting to characterize laser altimeter ' s performance is an important and difficult technology 由于测程远、大气衰减、被测目标物等不确定性因素,建立一种稳定可靠的激光高度计性能指标验证装置和方法,是一项重要的、必须解决的技术难点。 |
| 4. | The primary aim of this study is to provide some basic information to the atmospheric correction for 94 ghz cloud radar . the atmospheric attenuation at 37 and 94 ghz have been calculated and analyzed in different cloudy atmospheres 本工作主要比较分析在37ghz和94ghz大气的衰减特性,计算分析了在不同云、大气条件下37和94ghz的大气衰减,目的是对星载94ghz云雷达进行大气的衰减订正。 |
| 5. | Atmospheric attenuation of scene contrast is studied theoretically on the basis of radiometric principles , and the relationships between the measured maximal detection range for a target and visibility distance under two possible conditions are obtained 根据辐射度学原理,从理论上研究景物对比度在大气传输中的衰减,得到了在两种可能的条件下所测得的目标最大探测距离与能见距离的关系。 |