1) polyphase factorization
多相位分解
1.
Meanwhile, by polyphase factorization, it was proved that the low-pass filter satisfies perfect reconstruction condition.
同时借助多相位分解,证明了多通道低通滤波器满足完全重构条件。
2.
A unitary matrix extension method of the corresponding vectors, obtained from multiple channellow-pass filters by polyphase factorization, is proposed.
借助于多相位分解,提出了多通道低通滤波器经相位分解后相应的向量的酉扩充方法,由此得到多通道正交小波滤波器所对应的扩充矩阵。
2) polyphase decomposition
相位分解
1.
The delay factor of the traditional CIC filter is changed in the improved filter and the sharpen technique and the polyphase decomposition technique are applied to the filter.
在改变传统积分梳状滤波器的延迟因子的同时,将锐化(Sharpen)技术和相位分解技术应用于此滤波器。
2.
successively proposed different modified methods of sharpening,polyphase decomposition,etc.
对CIC(Cascade of Integrators Comb)滤波器的改进,是在尽量不改变滤波器简易性的情况下,尽可能的改善滤波器的滤波效果,Gordana Jovanvic-Dolecek等人先后提出了不同的改进方法,通过锐化滤波器,相位分解等方法来改进滤波器性能。
3) polyphase decomposition
多相分解
1.
By polyphase decomposition,the channel frequency response sequence is divided into several subsequences,and phase ambiguities of each subcarrier can be resolved by exhaustive searching only(L+1) elements in one subsequence,wher.
该方法将信道频率响应序列多相分解为若干子向量,通过对其中一个子向量中元素的相位模糊度进行穷尽搜索,辨识出所有子载波上频率响应的相位。
2.
This paper introduces the application of matched filter (MF) in acquisition of direct sequence spread spectrum communication systems, investigates practical implementation forms of MF and presents a new form based on polyphase decomposition.
本文介绍了匹配滤波器在直接序列扩频通信系统的同步捕获中的应用,研究了数字匹配滤波器的实现方法,提出了基于多相分解的实现结构。
3.
In this paper, according to the principle of digital correlators and by the ultilization of polyphase decomposition, a plan of implementation which combines both methods is presented for digital correlators.
本文阐述了数字相关器的原理,并利用多相分解的原理对数字相关器的结构作一些改变,由此得出了串并混合方案的一种实现方法。
4) Decomposition of interferometric phase
干涉相位分解
5) phase analysis and demodulation
相位分析与解调
6) heterogeneous decomposition
多相分解[作用]
补充资料：多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯，简称PAPI，或称粗MDI，浅黄色至褐色粘稠液体．有刺激性气味。相对密度(20℃／20 ℃)1．2，燃点218℃。PAPI实际上是由50％MDI与50％官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低，蒸气压低，只是TDI的百分之一，故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中，改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内，远离火种、热源。严格防水、防潮，避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中，改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内，远离火种、热源。严格防水、防潮，避免光照。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条