基于多用户检测问题的二次整数规划模型，提出了一种带预处理的半定规划多用户检测方法。
Based on the quadratic integral programming model of the multiuser detection problem, a detection strategy by the semidefinite programming method with pretreatment is presented.
将这些结果综合起来，就表明作者以前所建立的一类半整数自由度级的非线性共振的理论是可以用于移动电站的。
Combining these results, the theory of the nonlinear resonance of a class of half-integer degree of freedom, which was established before by the author, can be applied to the movable power systems.
对于半整数带位的情况，文中给出了采样速率的选取及种类个数优化策略。
For the bands which have half band positions, an optimized scheme is put forward to select the band-pass sampling rates.
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