| 1. | A new complete orthogonal system for functions in c
上完备的三角形正交函数系 |
| 2. | On expression of ocean sound profile by layered empirical orthogonal function
声速剖面的分层经验正交函数表示 |
| 3. | There are obvious interannual variations in spring precipitation in shandong province , and the oscillation period is about 4 . 8 - 6 year
应用自然正交函数展开( eof )方法，分析了山东省38年春季月、季降水量。 |
| 4. | 5 ) the features of the olr and velocity potential ( x ) mjo spreading eastward , northeastward ( wnp ) and southeastward ( wsp ) are researched on the climatic and interannual scale
5 )用改进了的复经验正交函数( ceof )方法分析了从赤道印度洋到西太平洋然后向正东、东北、东南三条路经上的olr及速度势x的季内振荡传播特征。 |
| 5. | Ecmwf ( 1977 ) . proceedings of the ecmwf workshop on the use of empirical orthogonal functions in meteorology , 2 ? 4 november , 1977 , european center for medium range forecasts , reading , uk . ecmwf ( 1977 )
Ecmwf经验正交函数在气象上应用的专题会议论文集，于1977年11月2 ? 4日，在欧洲中期天气预报中心举行（联合王国，里丁市） 。 |
| 6. | The software adopts eofs to describe the sound speed profile in the sea , and takes its bottom depth parameters from inputed digital chart . the software can process more complex 3 - dimension sound field
软件中采用经验正交函数来描述海洋中的声速剖面，海底深度参数以数字海图的形式输入，可以处理较复杂的三维情况下的海洋环境声场。 |
| 7. | 2 . doppler frequency shifting and curve fitting differential methods for measuring velocity are analyzed and compared . the least - squares curve fitting methods based on power functions and orthogonal functions are analyzed and compared
2 .对测量速度的两种方法,多普勒频移法和曲线拟合微分法作了分析和比较;对以幂函数族和以正交函数族为基底的最小二乘曲线拟合法作了对比分析。 |
| 8. | Summer precipitation in northeast china ranging from 1960a to 2000a and ncep reanalysis data is applied to study the temporal and spatial features of summer rainfall and extreme precipitation in northeast china . the results show : 1 summer rainfall in northeast china exhibits upward trend with the cycle variation of 14 years and 2 to 4 years . two abrupt changes occurs in summer rainfall with its happening time on 1964 and 1988 / 89
利用东北地区99个测站的1960 ? 2000年夏季逐日降水资料，以及ncep再分析资料，采用旋转经验正交函数、 morlet小波分析、合成分析等方法分析了东北地区夏季降水的演变特征和降水异常的环流背景，得出主要结论如下： 1东北地区夏季降水存在着减少趋势，并且有14年和2 4年的周期存在，降水发生过两次突变现象，分别发生在1964年和1984 85年之间。 |
| 9. | In terms of diagnostic analysis chiefly , including of lanczos filter , single value decomposition ( svd ) , ceof , composite and correlation analysis etc . , and numerical modeling , the temporal and spatial characteristics of the intraseasonal oscillation ( mjo ) of the air - sea system and the causes are investigated in this paper
本文对海气系统季内振荡的时空特征及其成因作了气候学研究。主要采用诊断方法( lanczos滤波、奇异值分解、复自然正交函数分析、合成分析及相关分析等) ，并结合数值模拟。 |
| 10. | Based on the empirical orthogonal function ( eof ) , the characteristics of large scale variations of precipitation anomaly during rainy season ( from jun to aug ) in south - west china for the period 1961 1995 is analyzed , and the teleconnection distribution charac - teristics between sea surface temperature ( sst ) over india ocean and precipitation during rainy season in south - west china were studied by using the method of cca
用自然正交函数展开方法对1961 1995年西南汛期( 6 8月)降水大尺度变化特征进行分析，并在此基础上用典型相关分析方法研究了1 8月印度洋海温距平场与西南汛期降水场的遥相关分布特征。 |
