qr分解 meaning in English
qr decomposition
Examples
- Improving the result of system based on the fx - lms structure while dealing with non - steady signal , the rls algorithm based qr decompose has been used in the the fx - lms structure
为改善基于fx - lms结构的系统对非平稳背景噪声的抵消性能，在fx - lms结构的系统中应用了基于qr分解的rls方法。 - The main works of the dissertation is to study a kind of adaptive equalization based on fast qr - decomposition . the study result will be applied to the 45m high - speed wireless communication system
本文的主要内容是研究基于快速qr分解的自适应均衡技术,研究成果将直接应用于45m无线通信高速数据传输系统中。 - Furthermore , we show when a matrix is column - divided and how to divide a matrix which is column - divided based on the classic qr factorization . numerical examples are also given to show that the divide - and - conquer method is efficient
在此基础上，我们进一步给出了判断一个矩阵是列可分的可分准则，此可分准则利用数值代数中常用的qr分解得到。 - The computer simulation results verify the validity of two adaptive algorithms applied to circular array . the algorithms are least square based on qr decompose ( qrd - ls ) and sampling matrix inversion based on qr decompose ( qrd - smi ) . then we apply circular array with wideband signal
其次,验证了基于qr分解的最小二乘算法( qrd - ls )和基于qr分解的采样矩阵求逆方法( qrd - smi )两种自适应算法在均匀圆阵中的有效性。 - In semi - fragile image watermarking algorithm , a robust watermark and a fragile watermark are extracted from the third approximation coefficient of wavelet transform of the original image . the two watermarks are embedded into the third vertical and horizontal detail coefficients . when authenticating image , image can be authenticated correctly and attacked parts can be localized through comparing the original watermarks and extracted watermarks
其中,完全认证方法,利用qr分解的特性把图像的边缘信息嵌入到载体图像中,算法对各种攻击都具有很好的敏感性;内容认证方法,从载体图像中提取出一个脆弱水印和一个鲁棒水印,并把它们重新嵌入到载体图像中,认证时,通过两个水印在图像传输前后的变化情况来对图像的保留价值进行评估,并准确定位受攻击部位。