空间相关长度分析证实了背景起伏具有强的空域相关性。
The spatial correlative length analysis proves the clutter highly spatial correlative.
在平稳的基础上，使用相关长度刻划背景起伏的时空域相关性，得到两个结论。
Based on the stationary, the correlative length was applied to describe its temporal-spatial correlation, and then two conclusions were made.
但当背景起伏较大时，基于背景预测的弱小目标检测方法的检测性能会受到影响。
Since background in the IR images changes quite slowly, it is meaningful to detect targets by background prediction.
该算法以低通滤波算法估计背景中的低频成分，及图像局部方差估计背景起伏，来计算出局部自适应的目标检测判决门限。
The algorithm adopts low pass filter to estimate the background and calculates the standard deviation to estimate the fluctuation of background to get the local adaptive detection threshold.
泰勒斯-阿尔姆（TaylorsArm）小镇，位于新南威尔士省（NewSouth Wales）北部高低起伏的农地之中，一度因为是澳大利亚乡村歌曲《没有啤酒的酒馆（A PubWith No Beer）》的背景而闻名于外。
THE small town of Taylors Arm, in the rolling farmlands of northern New South Wales, was once famous as the setting for “A Pub With No Beer”, an Australian country song.
被动信号检测的最佳检测器是能量检测器，但是能量检测器往往因为背景干扰的起伏和信噪比的劣化导致检测性能的下降。
The optimum detector for passive detection is energy detector. Yet energy detector usually deteriorates due to fluctuation of background interference and a decrease in SNR.
在波士顿，波士顿公共绿地这个以州议会大厦为背景、由赤褐色砂石建筑环绕的平缓起伏公园，周六上午变成了一个粉红色帽子的海洋。
In Boston, the Boston Common, a gently rolling park ridged by brownstones in the shadow of the state Capitol, morphed into a sea of pink hats Saturday morning.
由于雷达检测背景的复杂和起伏，经典CFAR检测不能保持稳定的检测性能。
Because of the complex and fluctuant background in radar, classical CFAR detection technology lose its stability.
原理分析与实验结果表明，这是一种易于硬件实现，能有效抑制强起伏背景杂波的线性滤波方法。
Theory analysis and computer simulation show the improved SMF is a linear approach and it can extract dim target from IR background clutter effectively.
实验结果证明，该算法能够较好地处理背景噪声起伏不平的频谱，分离结果与传统方法相比有较大的改善。
The experimental results show that this algorithm can deal with the spectrum with undulating background noise, and get more accurate separation result than the traditional method.
实验结果表明：对于含有目标信息的起伏背景图像，背景对消的最佳滤波方法，应采用开余滤波法。
Then, the experiment results show that in all of four filtering methods, the open residue filtering method is the best for background drop.
海面背景下海面及连绵起伏的波浪反光使图像的信噪比和对比度都较低，而且舰船目标像素较少。
The targets SNR(Signal Noise Ratio)and contrast are very low when the target is in the sea background in which there are sea waves and the reflexing light from the stretch welter.
为了检测出起伏背景下的弱小目标，需要对红外图像进行背景抑制。
In order to detect the weak targets from clutter background, the background suppression of IR image is necessary.
海面背景下海面及连绵起伏的波浪反光使图像的信噪比和对比度都较低，而且舰船目标像素较少。
The targets SNRand contrast are very low when the target is in the sea background in which there are sea waves and the reflexing light from the stretch welter.
海面背景下海面及连绵起伏的波浪反光使图像的信噪比和对比度都较低，而且舰船目标像素较少。
The targets SNRand contrast are very low when the target is in the sea background in which there are sea waves and the reflexing light from the stretch welter.
应用推荐