|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | The SIA method for spatial analysis of precipitation in the upper-middle reaches of the Yangtze River显示文摘Using geographic information system (GIS) techniques and the newest seasonal and annual average precipitation data of 679 meteorological stations from 1971 to 2000, the multiple regressions equations of the precipitation and topographical variables are established to extract the effect of topography on the annual and seasonal precipitation in the upper-middle reaches of the Yangtze River. Then, this paper uses a successive interpolation approach (SIA), which combines GIS techniques with the multiple regressions, to improve the accuracy of the spatial interpolation of annual and seasonal rainfall. The results are very satisfactory in the case of seasonal rainfall, with the relative error of 6.86%, the absolute error of 13.07 mm, the average coefficient of variation of 0.070, and the correlation coefficient of 0.9675; in the case of annual precipitation, with the relative error of 7.34%, the absolute error of 72.1 mm, the average coefficient of variation of 0.092, and the correlation coefficient of 0.9605. The analyses of annual mean precipitation show that the SIA calculation of 3-5 steps considerably improves the interpolation accuracy, decreasing the absolute error from 211.0 mm to 62.4 mm, the relative error from 20.74% to 5.97%, the coefficient of variation from 0.2312 to 0.0761, and increasing the correlation coefficient from 0.5467 to 0.9619. The SIA iterative results after 50 steps identically converge to the observed precipitation. | ZHOUSuoquan XUEGenyuan GONGPeng CHENJingming ZHANGHongping ZHOUZhijiang FANXiong DENGXiaochun WUZhanping | 2005 | Journal of Geographical Sciences2005，15，2： | 14 |
| 2 | Sound-based remote sensing of terrestrial animals: localization and error analysis显示文摘声音遥感技术可以极大地提高人们对动物的监测、研究和保护能力。本研究设计了一套廉价的陆生动物声音定位系统。该系统集成了市场上现成的录音笔和无线控制设备,价格明显低于许多动物定位系统。使用自主研发的声音定位软件,在X、Y方向上的绝对定位误差最大为1.69m,可满足大部分动物定位需求;Z方向的定位误差偏大,结果尚不理想。为了揭示影响声音定位系统精度的各种因素及其影响,采用蒙特卡罗方法进行分析,发现录音站点的位置测量误差、到达时间差的估计误差和声速的估计误差均会影响最终的声音定位精度。此外,该方法还可用于在声音定位系统布设阶段确定系统参数的合理数值,包括录音节点总个数和空间尺度。 | SHENShaoqing GoNGPeng CHENGXiao YINGQing | 2011 | 遥感学报2011，15，6： | 2 |
| 3 | Flame retardation of glass-fibre-reinforced polyamide 6 by a novel metal salt of alkylphosphinie acid 显示文摘 | Hu Zhi Chen Li Lin Gongpeng | 2011 | Polymer Degradation and Stability2011，，96： | 1 |
| 4 | Flame retardation of glass fibre reinforced polyamide 6 by a novel metal salt of alkylphosphinic acid显示文摘 | Hu Zhi Chen Li Lin Gongpeng | 2011 | Polymer Degradation and Stability2011，96，9： | 1 |
| 5 | 显示文摘 | TIANQing-jiu GONGPeng ZHAOChun-jiang etal(田庆久 宫鹏 赵春江 等) | 2000 | 科学通报2000，45，24： | 1 |
| 6 | Flame retardation of glass-fibre- reinforced polyamide 6 by a novel metal salt of alkylphosphinic acid显示文摘 | Hu Zhi Chen Li Lin Gongpeng | 2011 | Polymer Degradation and Stability2011，96，： | 1 |
| 7 | Flame retardation of glass-fibre-reinforced polyamide 6 by a novel metal salt of alkylphosphinic acid显示文摘 | Hu Zhi Chen Li Lin Gongpeng | 2011 | Polymer Degradation and Stability2011，96，： | 1 |
| 8 | Flame retardation of glass-fiber-reinforced polyamide 6 by a novel metal salt of alkylphosphinic acid显示文摘 | Hu Zhi Chen Li Lin Gongpeng | 2011 | Polymer Degradation and Stability2011，96，9： | 1 |
| 9 | Investigation on gas–solid flow regimes in a novel multistage fluidized bed显示文摘Gas–solid flow regime in a novel multistage circulating fluidized bed is investigated in this study.Pressure fluctuations are first sampled from gas–solid flow systems and then are analyzed through frequency and time–frequency domain methods including power spectrum and Hilbert–Huang transform.According to the flow characteristics obtained from pressure fluctuations,it is found that the gas–solid motions in the multistage circulating fluidized bed exhibit two dominant motion peaks in low and high frequencies.Moreover,gas-cluster motions become intensive for the multistage circulating fluidized bed in comparison with the fast bed.Unlike the traditional methods,the fuzzy C-means clustering method is introduced to objectively identify flow regime in the multistage circulating fluidized bed on the basis of the flow characteristics extracted from bubbling,turbulent,fast,and multistage fluidized beds.The identification accuracy of fuzzy C-means clustering method is first verified.The identification results show that the flow regime in the multistage circulating fluidized bed is in the scope of fast flow regime under examined conditions.Moreover,the results indicate that the consistency of flow regime between two enlarged sections exists.In addition,the transition onset of fast flow regime in the multistage circulating fluidized bed is higher than that in the fast bed. | Gongpeng Wu Yan He | 2022 | Chinese Journal of Chemical Engineering2022，35，6： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员