Results show that the CZT detector works well; and the system measurement is characterized by fast speed, high-precision, and high spatial resolution etc.
实验结果表明，CZT探测器具有良好的工作性能，系统测量具有快速，高精度，高空间分辨率等特点。
The image processing method with a computer and optical spatial filtering techniques are applied during the measurement.
在测量过程中，使用了计算机图像处理方法和光学空间滤波技术。
Spectral features and spectral similarity measurement, spatial relationship and spatial predicate, and metadata are discussed in detail.
探讨了光谱特征和光谱相似性度量、空间关系和空间谓词、元数据的应用。
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