| 1. | Study on infrared attenuation characteristic of expanded graphite worm
利用膨胀石墨处理焦化废水的研究 |
| 2. | Standard test method for shock - attenuation characteristics of protective headgear for football
橄榄球运动用防护头盔的减冲击性能的标准试验方法 |
| 3. | Test method for measuring shock - attenuation characteristics of natural playing surface systems using lightweight portable apparatus
利用轻便式仪器测量立体声播放系统震动衰减特性的方法 |
| 4. | Abstract : this paper presents a new - type floating breakwater with the structure of “ duckweed ” . some circular wooden blocks were flexibly tied together and flat located on water surface . a series of experimental investigation were carried out . the experimental results show that 1 ) there are wave attenuation characteristics of the new - type floating breakwater ; 2 ) by comparing the two installation styles , the wave attenuation effectiveness anchored on the sea bed is better than that of anchored on the sea shore
文摘:模仿水生植物“浮漂”的结构形式，设计一种新形式的防波堤.将多块圆形木板柔性连接成一体，平铺于水面，对其进行了一系列的消浪效果的初步试验研究.试验结果表明，该结构具有消浪性能，并且其固定方式采用系泊于水下的消浪效果优于系泊于岸边的 |
| 5. | Firstly , by the analysis ir radiation characteristic of target on environmental background , and the attenuation characteristic of ir radiation through atmosphere , the calculation formula of ir radiation of target is discussed . the design ideas and implementation method to generate dynamic ir images with computer are addressed in this paper
首先，分析了目标的红外特性，以及环境对目标的红外辐射的影响，目标辐射在大气中的衰减，给出了相应的计算公式，本文论述了动态红外成像的设计思路和实现方法。 |
| 6. | In this paper , firstly , three - dimensional geometrical models of the target and ir flares are established and by using the software vega missile attacking process is real - time simulated visually . secondly , the ir radiation characteristic of the target , background and the ir flares are analyzed , in which the wave radiation of the sun at different time , wind speed , the relative humidity and ir radiation attenuation characteristic of the atmosphere is under consideration . from above the ir image of the target , ir flare and the background are got and then are normalized to gray color image that will be showed in a child window in real time
本文通过三维建模工具creator建立目标、背景和干扰的三维模型，再通过视景仿真软件vega生成载机、导弹和目标飞机的可见光场景图像，实时地对导弹攻击工程进行可视化仿真；并分析了目标、背景和干扰的红外辐射特性，计算出传感器路径上大气衰减等等，将经过衰减的目标、背景和干扰的辐射强度量化为灰度图，以子窗口形式实时显示；进一步可以使目标和干扰按照各自的运动轨迹运动，便可产生动态的红外热图像序列。 |
| 7. | In this thesis , modeling of the characteristic of the ir jamming is discussed . the attenuation characteristic of ir radiation through atmosphere is analyzed and the atmospheric permeance of ir radiation is given . the design ideas and implementation method to generate dynamic ir images with computer are addressed
在论文中，讨论了干扰弹的建模，分析了红外辐射在大气中的衰减，总结出大气透射比的工程计算方法，论述了本文动态生成红外图像的设计思路和实现方法。 |
| 8. | Against the background of the continuing spread of digital tv broadcasting , tachii electric wire has developed the tcx - hfbl series and tcx - fws series of high - frequency coaxial cable products . both of these series are compatible with the us smpte standard 292mhdtv and the japanese arib standard btas - 004b and are products that exhibit excellent attenuation characteristics by controlling return losses at a low level
普及数字高清晰度电视播放的同时开发了适合美国的smpte规格292mhdtv ，日本的arib规格btas - 004b的高频同轴电缆： tcx - hfbl系列， tcx - fws系列，有效抑制损耗，改善衰减特性的产品。 |
| 9. | Attenuation characteristic of fast wave , slow wave , quasi - transverse wave and anti - plane transverse wave are discussed and the combined effects of the anisotropy of the solid skeleton and fluid viscosity on the propagation characteristic of plane waves are analyzed numerically . the influence of horizontal anisotropy and fluid viscosity on the propagation characteristic of elastic waves is clarified
讨论了液饱和多孔介质中快波、慢波，准剪切波和反平面剪切波的衰减特性，并分析了固体骨架异性以及流体粘度的综合效应对平面波传播特性的作用，澄清了介质水平面内异性以及流体粘度对弹性波传播特性的影响。 |
| 10. | In the hfc network , the uplink channel is applied a spectrum of 5 to 42mhz . although such a spectrum is of good attenuation characteristics , one fact is that other services also share the same spectrum , making the noise introduction a serious concern . also the noise will gradually accumulate , thus severely affecting the transmission performance of cablemodem
在hfc网络中，上行信道采用5 ~ 42mhz的频带，虽然这一频带具有良好的衰减特性，但是因为其他服务也采用这一频带，所以引入噪声成了一个严重的问题，并且这个噪声将逐步积累，严重地影响cablemodem的传输性能。 |
