定义了一种新的最佳相关信号,即奇周期最佳屏蔽二进序列偶。
This paper presents a new kind of perfect correlation signal, that is, odd-periodic perfect punctured binary sequence pair.
同时研究了奇周期最佳几乎二进序列偶的变换性质和频谱特性,给出了一些组合允许条件。
The transformation features and Fourier spectrum of odd-periodic perfect almost binary sequence pair are studied. Some combined admissibility conditions are also given out.
“低出生体重与整个生命周期中的一系列负面影响有关,”托奇说。
“Low birth weight is associated with a bunch of poor outcomes throughout your life cycle, ” Torche said.
各国在对待移民态度上变得这么气量狭小不足为奇,这是周期性经济萧条和长期增长的富国边境压力协同作用的结果。
This illiberal turn in attitudes to migration is no surprise. It is the result of cyclical economic gloom combined with a secular rise in pressure on rich countries’ borders.
各国在对待移民态度上变得这么气量狭小不足为奇,这是周期性经济萧条和慢慢上升的富国边境压力协同作用的结果。
This illiberal turn in attitudes to migration is no surprise. It is the result of cyclical economic gloom combined with a secular rise in pressure on rich countries' borders.
埃克奇教授很快发现,他不是唯一一个发现交替睡眠周期由来以久的人。
Professor Ekirch soon learned that he wasn't the only one who was on to the historical existence of alternate sleep cycles.
本文用微分不等式证明了二阶奇摄动系统解的存在性、唯一性和周期性。
This paper proves the existence, uniqueness and periodic problem of the solution about second order singular perturbation system by using the differential inequality.
基于一类完备周期奇相关函数的几乎二元序列,得到了一类新型奇相关互补序列集。
Based on the odd-perfect almost binary sequences, the new odd-periodic correlation complementary sequence set is obtained.
研究了一类含有迁移项的奇摄动抛物方程的周期解问题,给出了解的存在唯一性、渐近解及其余项估计。
The uniqueness of the solution is proved, and the asymptotic expansion of the solution and remainder estimation are also given.
研究了一类含有迁移项的奇摄动抛物方程的周期解问题,给出了解的存在唯一性、渐近解及其余项估计。
The uniqueness of the solution is proved, and the asymptotic expansion of the solution and remainder estimation are also given.
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