| 1. | The application of extended symmetry in orthogonal transformation
拓展对称在正交变换中的应用 |
| 2. | The application of orthogonal transformation in multiple integrals
正交变换在多重积分中的应用问题 |
| 3. | A class of nonlinear local orthogonal transformations for helmholtz equation
方程的一类非线性局部正交变换 |
| 4. | A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form
给出了利用初等变换求一个正交变换化实二次型为标准形的简便方法。 |
| 5. | In this paper , the author discusses the orthogonal transformation , pointing out that there is difference in essence between the two condition of equivalence
摘要对欧氏空间正交变换作了讨论，指明了两个等价条件的不同之处。 |
| 6. | Abstract : a simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form
文摘:给出了利用初等变换求一个正交变换化实二次型为标准形的简便方法。 |
| 7. | The content of this dissertation include : orthogonal transformation of digital signal ; mathematic model of modulation signals and software - defined radio receiver ; nine feature parameters of the modulation algorithm and threshold of feature parameter ; development procedure of modulation recognition by ccs and the modulation digital signals produced through matlab ; discussion on sampling speed and instantaneous frequency and analysis of experiment " s result
本文给出了在ccs集成开发环境下调制识别算法仿真实现的程序设计和利用matlab仿真产生调制信号的方法；分析了调制识别算法的仿真实验结果；对采样速率的选取、非弱信号段判决、瞬时频率的计算以及算法数据关联性的简化等方面进行了研究。 |
| 8. | In solving the helmholtz equation in the acoustical waveguides with a curved bottom , slow convergence may occurs when the linear local orthogonal transformation is adopted . in this paper , a class of nonlinear local orthogonal transformations ( nlot ) is proposed . it is an approach to improve the slow convergence mentioned above
本文尝试通过在深度方向选取非线性局部正交变换，将曲底求解区域化为平坦求解区域，然后求解helmholtz方程的办法，来改善用线性(深度方向)局部正交变换时，步进求解时会出现的局部收敛慢的问题。 |
