Interference with a new coating process, than the averagegradient film better performance vacuum tube collector.
采用全新干涉镀膜工艺，比普通渐变膜真空管集热性能更好。
2
The experiment results show that the method can improve the averagegradient 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。
3
Experimental results indicate that the averagegradient has been improved by 67.1% and the detail-signal energy improved by 65.2%, which proves the effectiveness of the proposed method.