ppi radar indicator 雷达ppi显示器
Targets in the radar ppi have the main property of the little area ,a few targets and irregular change of grey . So it is difficulty to detect and track the target .
雷达PPI中目标的特点是面积小，目标或可能的目标多，灰度、形状变化无明显规律，所以检测和跟踪目标比较困难。
参考来源 - 基于雷达PPI的目标检测与跟踪方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, wavelet is used to erase speckle noise in radar PPI, and the principle of morphology is used for building structure element to filter off the speckle noise and clutter.
提出了利用小波来去除雷达平面位置图像(PPI)的散点噪声，然后利用形态学原理构造目标结构元来滤除斑点噪声和杂波。
The issue of polar coordinate-orthogonal coordinate conversion, which is a key factor of the system, may be encountered inevitably as simulating traditional PPI radar indicator on raster scan display.
在光栅扫描显示器上模拟传统PPI雷达显示器，不可避免地会遇到直角坐标与极坐标转换的问题，而雷达回波信号从极坐标到直角坐标的变换是决定系统性能的关键。
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