由准同步视频检波的特点及其存在的问题引出锁相环( PLL)完全同步视频检波电路。
The PLL full synchronization video detector circuit is educed by feature and troubles of quasi-synchronization video detector.
本文给出了有单位元的弱准素环的一个新刻划并给出了弱准素整环是拟赋值环或赋值环的条件。
We give a new characterization of weakly primary rings with identity and conditions that a weakly primary domain is a valuation ring or quasi-valuation ring.
并将碳、氧同位素这一环境敏感指标推广到了高矿化度的“准”咸湖的环境中。
And we also can extend c, o isotopes, this sensitive environmental information indicator to nearly saline lake conditions of high degree mineralization.
本文进一步得出准除环的一些有趣的性质。
In this paper, we obtain further the interesting properties of the almost division ring.
本文给出了粘弹性基支粘弹性圆(环)形薄板准静态弯曲的一般解法。
In this paper, a general solution for quasistatic bending of viscoelastic circular (ring) thin plate rested, on viscoelastic foundation is given.
对控制环量方法在离心叶轮准三元设计中的应用展开了研究。
This paper focuses on the application of method of controlled circulation in the quasi three dimensional design process of centrifugal impeller.
在用循环置换矩阵构造准循环LDPC码时会出现一类无法消除的环,称为平衡环。
QC-LDPC codes constructed by circulant permutation matrices will lead to inevitable cycles, named balanced-cycles.
南极上空臭氧变化和环南极海冰变化是赤道海温和全球气候准两年振荡的原因。
The quasi biennial oscillation of global climate and equator ocean temperature are caused by.
针对该问题,本文基于扩展卡尔曼滤波方法提出了一种准最佳的GPS载波跟踪环结构设计方案。
Aiming at this problem, a new quasi-optimal structure of GPS carrier tracking loop based on extended Kalman filtering is proposed in this dissertation.
研究了玻璃纤维增强环氧圆柱管轴向撞击和准静态压缩下的能量吸收特性。
Axial crushing energy dissipation behavior of glass/epoxy round tubes is investigated both dynamically and quasi statically.
在校验矩阵构造方面,PEG的构造方法在度约束条件下能最大化环长,从而降低误码平层。同时准循环码在结构化方面也有很多优点。
When constructing a parity-check matrix, PEG can maximize the girth length, thus lowering error-floor, while quasi-cyclic structure bears other advantages.
分析了准循环ldpc码的平衡环的结构,并给出了搜索任意长度的最简平衡环的关联矩阵的方法。
This paper analyzes the structure of balanced-cycles in QC-LDPC codes. And proposes an algorithm to search for the incidence matrices of the simple balanced-cycles of arbitrary length.
将环潮坪型碳酸盐准层序扩展到所有米级旋回,不局限于海泛面所限定的地层单元;
Based on specific character of carbonate deposition, peritidal carbonates is extended to all meter-scale cycles, independent from flood surface;
将环潮坪型碳酸盐准层序扩展到所有米级旋回,不局限于海泛面所限定的地层单元;
Based on specific character of carbonate deposition, peritidal carbonates is extended to all meter-scale cycles, independent from flood surface;
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