| 1. | Effect of microscanning on spatial resolution
微扫描对空间分辨率的影响 |
| 2. | From the result of simulation through computer the technique of microscanning can effectively reduce the aliasing effect and improve the final resolution of the image
通过理论和计算机仿真分析可知，微扫描能有效的减小频谱混淆，提高图像分辨率。 |
| 3. | The concept of pixel transfer function is introduced and the pixel transfer function and its curves with different filling factor of detector array are presented
在对微扫描成像性能的评价过程中引入了像素传递函数的概念，并给出了在填充因子不同时的探测器阵列的像素传递函数及其曲线。 |
| 4. | Due to the fact technique of microscanning makes use of the compensative information between each single image with different order , the information of the original image can be recovered very well
由于微扫描利用了同一景象的序列图像之间不同却相互补充的信息，可以更好的重建原始图像。 |
| 5. | In this paper the theory of microscanning is described and the process of imaging of microscanning is simulated theoretically , meantime , the possibility of improving the quality of image using microscanning is deduced from the sampling theorem
详细介绍了微扫描的原理，并对微扫描的成像过程进行理论建模，从抽样定理推论出采用微扫描技术对改善图像质量的可能性。 |
| 6. | The difference between the image obtained through method of microscanning and the single sampling image is simulated by computer based on the theory of microscanning . the sampled image and the images constructed with microscanning are presented as well
用计算机进行仿真分析，比较了采用微扫描方法合成的图像和单帧抽样图像的差异，并给出了填充因子不同时的抽样图像和微扫描重建图像。 |
| 7. | For example , the geometric effect and vignetting are simulated with the synthetic method in which they are modeled with ray tracing and then simulated with pixel - based processing . the effects of detector noise on imaging are simulated with the three - dimension model . the theory of pixel transfer function is extended and developed , and microscanned images of four patterns are simulated with good results
本文具有如下几个突出特点：用光线追迹法分析建模，而用基于象素处理的综合方法，模拟了光学系统中的几何效应和渐晕现象；利用三维噪声模型，模拟了探测器噪声对图像质量的影响；对象素传递函数理论进行了扩展和延伸，给出四种工作模式的微扫描成像系统的象素传递函数的具体数学表达式，并利用这些表达式模拟了探测器的空间效应和微扫描成像的图像效果。 |
| 8. | Due to the fact that the properties of infrared detector array ca n ' t be satisfied to produce a image with high resolution because of the level of manufacture , the phenomenon of subsampling and serious aliasing emerges . in order to reduce these phenomenon and improve the image resolution the technique of microscanning is introduced
红外探测器阵列由于受到工艺水平的限制，不能制成用于产生高分辨率红外图像所要求的密度，一般会产生空间欠抽样图像，图像中有严重的混淆现象，为了减小这种混淆、提高分辨率，引入微扫描技术。 |
