许昌地区冬小麦长势空间变异研究-发表吧 论文发表 发表论文网 关键词：冬小麦；光谱指数；叶面积指数；空间变异 [gap=1084]Key words： winter wheat； spectrum index； leaf area index； spatial variation
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...层吸收 谱指数 分数维微分 地震波动力学参数 模糊认知映射 调谐厚度 [gap=670]Keywords】: strata absorption; spectrum index; fractal differentiation; dynamics parameter; fuzzy recognition mapping; tuning...
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power spectrum index 功率谱指数
radio spectrum index 射电谱指数
mean square spectrum index 均方谱指标
normalized difference suspended-sediment spectrum index 差分泥沙光谱指数
index spectrum 指数谱
scale index spectrum 标度指数谱
The experiment results show that the method can improve the average gradient and preserve spectrum index commendably.
实验表明算法有效提高了图像的清晰度和保持了光谱特性。
After reaching a turbulent state, the system continues its evolution which exhibits that the energy spectrum index is not a constant instead of a wide range of changes in time.
模拟中，系统逐渐达到湍流状态，随着系统的不断演化我们发现如下事实：能谱指数随时间并不是不变的，而是在较宽的范围内变动；
Detection of tumor blood flow within the spectrum, recorded peak systolic velocity (PSV) and resistance index (RI).
检测肿瘤内部的血流频谱，记录收缩期峰值流速(PSV)和阻力指数(RI)。
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