random phase approximation [等离子] 随机相位近似 ; 无规相近似
random phase shift 随机相移 ; 随机相位变动
Random phase feed 随机馈相
random phase error 随机相位误差
random-phase marks 随机相位模板
The system parameters of Fresnel transforms and random phase masks in each channel are keys in image encryption and decryption. The keys can be added by iteratively employing the Fresnel transforms for several times.
各支路上的系统参数和随机相位板都是解密过程中的密钥,只有所有的密码都正确时才能恢复原始彩色图像。
参考来源 - 基于分数变换光学的图像编码和信息处理技术研究A RFI suppression method is proposed by using random phase codes in the stepped-frequency GPR.
2.针对步进频率探地雷达提出随机相位编码抑制射频干扰的方法。
参考来源 - 探地雷达干扰抑制及波速估计问题的研究Also we proposed a multiple image encryption scheme by shifting the multiple central parts of spectra together with the double random phase encodingtechnique.
另外我们采用多图像中心频谱平移和双随机位相编码提出了一种多图像加密算法。
参考来源 - 分数阶变换及其在图像加密和滤波中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
As a result, the random phase changes mentioned above occur much less frequently.
因此,上述的无规相位变化就很少出现。
Experiments of the phase control null and random phase quantization in density weighted phased arrays are described.
叙述了在密度加权相控阵上进行的随机馈相和波束置零实验。
The overall slope in the generated random phase screen reflects an accurate sampling of the low frequency components.
所产生的随机相位屏的整体倾斜反映了低频成分的准确采样。
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