ndwi是什么意思_RVI是什么意思

1. Taking advantage of measured ASD hyperspectral data, we synchronized obtained crop parameters data and Cd content data of farm soil in several time phase of growing season of rice. The response relationships between potential sensitive spectrum remote sensing indices and physiological ecology parameters in Cd pollution stress were analyzed, such as leaf pigment concentration, water content, cell structure and leaf area index. Then the corresponding diagnosis spectral indices were determined, including Modified Chlorophyll Absorption in Reflectance Index, Normalized Difference Water Index, Red-Edge Vegetation Stress Index and Ratio vegetation index.

采用水稻生长季节多个时相的ASD实测高光谱数据和同步获取的作物参数与农田土壤镉含量数据，分析镉污染胁迫水稻生理生态参数如叶片色素含量、水分含量、细胞结构和叶面积指数等与潜在敏感光谱遥感指数的响应关系，确定MCARI、NDWI、RVSI 和RVI为相应的诊断光谱指数。

2. It was at milky stage for Zhongyou 9507 that the correlation coefficient between △RVI [670, 890] and GPC was higher than that of the conventional model, and thus its statistical model was founded.

籽粒蛋白质含量和分层光谱参量梯度△RVI[670，890]统计模型，决定系数高于传统垂直测定模型，京冬8号模型和RMSE为0.7500，中优9507模型RMSE为0.6461，在不同生育时期建立的分层光谱模型可以对不同小麦籽粒蛋白质含量进行预测。

3. Bloom to expect high spectrum parameter A(760, 850) among them/R550 with many spectrum index number RVI(810, 560) all and acre the number present pole the line related relation of showing the.

其中开花期高光谱参数A (760，850)/R550与多光谱指数RVI(810，560)均与亩穗数呈极显著的线性相关关系。

4. However, the changing laws of the spectral vegetation indices above ground in the time and spacewere tried to find out in different grassland types, and the fines monitoring and estimating yield index andmodel types were found. The results found that the correlation between fresh or dry herbage yields and RVIwas better than NDVI in 2, 3 and 4 grassland types, and on the contrary in 1 grassland type, the correlationbetween fresh or dry herbage yields and NDVI was better than RVI.

进而，摸清了不同草地类型地面光谱绿度值的时空变化规律，确定了最优监测与估产指标及模型类型，结果得出一般在类型II、III和IV，是鲜、干草产量与RVI的相关性好于NDVI，而在类型I则相反，是鲜、干草产量与NDVI的相关性好于RVI。

5. Application of RVI on Maintain of Aeroplane Engine

内视镜检测技术在飞机发动机维修上的应用

6. AMD has a similar technology called RVI

AMD具有类似的技术称为RVI

7. Thermal long johns are recommended for a stay at the Ice Hotel in Jukkasj ä rvi where winter temperatures never rise above freezing & and can drop to minus35C.

想要在尤卡斯亚维的冰雪旅馆住一晚，保暖内衣裤绝对值得推荐。冬天的时候，那里的气温从来没有零上过，有时候还会降到零下35度。

8. In Swedish lapland, 200km north of the Arctic circle lies the village of jukkasj? Rvi on the river torne.

沿托尔纳河而建的尤卡斯亚尔比村位于瑞典拉普兰地区，北极圈以北200公里处。

9. The NDVI excelled the RVI in strengthening vegetation information and eliminating shadows of hills.

NDVI比RVI更能突出植被信息和消除山体阴影的影响。

10. The calculation of the various vegetation indices (RVI, NDVI, NDGI) indicated by the ASTER;

计算ASTER数据的各种植被指数(RVI，NDVI，NDGI)；

11. After 22nd April, NDVI and RVI all decline due to yellow leaves.

4月22日以后，由于后期叶片衰老变黄，NDVI和RVI都逐渐减小。

12. Using ASTER data of July in 2004 and in 2005 abstracted vegetation indicator (NDVI, RVI), and carried out density slicing.

使用2004、2005年7月ASTER数据提取植被指数NDVI和RVI，并进行密度等级分割。

13. Objective: To explore the diagnostic importance of head-chest lead electrocardiogram on right ventricular infarction.

目的：探讨头胸导联(HC导联)心电图对右心室心肌梗死(RVI)的诊断价值。

14. The ratio vegetation index (RVI) method is combined with field survey of insect pest to determine critical values of RVI for different degrees of disaster and the judgement accuracy reaches 73%.

利用比值植被指数(RVI)分析法，与实地虫灾调查相结合，找出了受虫灾影响后不同灾害程度的RVI临界值，判对率为73%。

15. Also, RVI could been used to estimate LAI、ADW by using the regression equation of 8 vegetation indexes.

仅采用8种植被指数建立模型，证明利用比值植被指数(RVI)估测LAI、ADW亦是可行的。

16. The results of the comparison show: (1) For the monitoring of the vegetation fractional coverage of grassland of the temperate typical steppe of North China, it is appropriate to use vegetation index NDVI, which is more effective and relevant than RVI and NDGI;

结果表明，(1)对于中国北方典型草原区而言，利用植被指数NDVI监测草地的植被盖度是比较适宜的，它优于植被指数RVI，也比植被指数NDGI的效果好。

17. Objective: To determine value of thrombolytic therapy in patients with acute inferior myocardial infarction (AIMI) with or without right ventricular involvement (RVI).

目的：确定急性下壁心肌梗死(AIMI)合并或不合并右室梗死(RVI)患者溶栓治疗的价值。

18. RVI

18. Objective To determine the prognostic effect of complete atrioventricular block (CAVB) in patients with acute inferior myocardial infarction (AIMI) with and without right ventricular involvement (RVI).

目的确定完全性房室阻滞(CAVB)对急性下壁心肌梗死(AIMI)伴有或不伴有右室梗死(RVI)病人预后的影响。

19. 14 cases of right ventricular infarction (RVI) diagnosed by clinic, ECG, hemodynamic, radioisotopic (infarct scintigraphy) or echocardiography studies were analysed.

本文分析了经临床、ECG和血液动力学或尸检或放射性核素心肌显像或超声心动图诊断的14例右室梗塞。

20. To evaluate the diagnostic value of ECG changes of acute inferior myocardial infarction (AIMI) on right ventricular infarction (RVI), 102 cases of AIMI were analyzed in a retrospective study.

回顾分析102例急性下壁心肌梗死(AIMI)的心电图变化对右室梗死(RVI)的诊断价值。