Spectral sequence

Spectral sequence and its dual

谱序列及其对偶

Spectral Sequence and Morse Inequalities

谱序列与Morse不等式

The most important content in Homotopy theory is to calculate the homotopy group of a topological space . Now the most useful method to calculate homotopy group is spectral sequence .

同伦论的重要内容就是计算空间的同伦群，目前计算同伦群的最重要方法是谱序列。

In this paper , we discuss isomorphic relation between duality of a spectral sequence of a total complex Tot ( M ) of a bicomplex M determined by usual filtration with its dual spectral sequence .

本文讨论了利用通常的滤系所确定的双复形M的全复形的谱序列同它的对偶谱序列之间的同构关系。

We make use of the May spectral sequence and the Adams spectral sequence to prove that under some conditions the homotopy element β _2 γ _s is nontrivial and of order p , where p ≥ 7 is an odd prime number .

利用May谱序列和Adams谱序列证明：同伦元素β2γs在一定条件下是阶为p的非平凡元素，其中p≥7是奇素数。

Lossless D ~ 2PCM Compression Algorithm Based on Correlation of HRIS Spectral Image Sequence

基于HRIS光谱图像帧序列相关性的D2PCM无损压缩方法

The correlation of HRIS spectral image sequence was analyzed in this paper . A lossless compression algorithm based on D + 2 PCM coder , which reduced the spectral and spatial correlation , has been developed .

分析了HRIS光谱图像帧序列的相关性，并针对这一特性，提出了利用D2PCM方法，降低光谱图像序列的谱相关和空间相关，减少图像中的冗余，从而实现光谱图像的压缩。

On the module and spectral of almost periodic sequence in Banach space

Banach空间中概周期序列的谱

The infrared target recognition method based on the invariance of spectral angle in time sequence is put forward in order to recognizing spatial target and balloon decoy .

为了识别空间目标与气球诱饵，提出了基于光谱角时序不变性的红外目标识别方法。