under-determined d system 负定系统
under-determined ICA algorithm 欠定算法
under determined system [自] 欠定系统
under-determined separation 欠定分离
determined under 根据决定 ; 确定下
The underdetermined blind source separation algorithms in time-frequency domain are researched.
研究了欠定情况下的时频域盲分离算法。
参考来源 - 盲源分离算法及应用研究Considering that images are insensitive to small distortion, blind source separation (BSS) based image encryption utilizes the apparent intractability of the underdetermined BSS problem to encrypt multiple images.
根据图像允许微小失真的特点，盲源分离图像加密方法利用盲源分离理论的欠定难题实现了多幅图像加密。
参考来源 - 盲源分离图像加密方法改进与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
A fast generalized complex sphere decoder is proposed for under-determined MIMO systems with fewer receive antennas than transmit antennas in this paper.
它能处理多输入多输出系统（MIMO）中发送天线多于接收天线的情形，并能同时检测具有格型结构和不具有格型结构的二维空间星座信号。
The euro zone’s chieftains promised “determined and co-ordinated action” should the euro come under threat.
欧元区首脑表示，倘若欧元惨遭威胁，必将付诸“坚决一致的行动”。
According to the IHR (2005) a public health emergency of international concern refers to an extraordinary public health event which is determined, under specific procedures.
根据《国际卫生条例(2005)》，国际关注的突发公共卫生事件系指按特殊程序确定的不寻常公共卫生事件。
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