Low encoding complexity can also be achieved due to the inherent quasi-cyclic structure of the LDPC codes.
由于产生的LDPC码本身固有的准循环结构，还能得到较低的编码复杂度。
When constructing a parity-check matrix, PEG can maximize the girth length, thus lowering error-floor, while quasi-cyclic structure bears other advantages.
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。
The invention relates to a method for testing the volume fraction of the cyclic structure of pan-based stabilized fiber, which belongs to the analyzing-testing field.
本发明的聚丙烯腈预氧丝环化结构体积分数的测试方法属于分析测试领域。
A cyclic object graph cannot be transformed into a tree structure.
一个循环对象图不能够转换为树结构。
Cyclic voltammograms experiment showed that the structure of the material was stable in the cycle process.
循环伏安实验表明，材料的结构在循环过程中保持稳定。
Through the cyclic parameter analysis and the method of fatigue life estimation, a basis for fatigue life estimation of typical lower-wing structure is established.
这一循环参数分析和疲劳寿命估算方法为典型机翼下壁板结构的疲劳寿命估算建立了基础。
Therefore, a downhole tool that can reduce the annular cyclic pressure loss and introduced its structure, principle of work and technical parameters were put forward.
提出了一种减小钻井泥浆环空循环压耗的井下工具，介绍了该工具的结构、工作原理、技术参数。
The structure of cyclic annealing and isothermal annealing has a little difference, but carbides average size of cyclic annealing is greater than that of isothermal annealing.
循环退火后的组织与等温退火的差异很小，但其碳化物的平均尺寸要大于等温退火。
On the basis of cyclic carry control of variable structure system with standard bilinear proportion a variable structure with bilinear proportion differentiation is studied.
在标准型双线性比例变结构系统循环进位控制的基础上，研究这种系统的比例—微分变结构控制。
The presented method selects only one cyclic symmetric sector of the structure as the finite element calculating model and establishes the complex constrained eigenvalue equation of the sector.
选取结构的任一个循环对称扇区作为有限元计算模型，建立单个扇区复约束特征值方程；
A new blind symbol timing-tracking algorithm is proposed, using the special OFDM frame structure with cyclic prefix and cyclic postfix.
利用具有循环前缀和循环后缀的OFDM帧结构，该文提出了一种新的符号定时跟踪盲估计算法。
An LDPC code structure using cyclic shift matrices and an efficient LDPC code construction algorithm using the characteristic matrices is proposed.
本文研究了一种基于循环移位矩阵结构的LDPC码，提出了一种高效的基于特征矩阵的LDPC码构造算法。
Mechanical characteristics of rock joints and interfaces under cyclic loading are important to stability safety of upper structure.
岩体结构面在循环加载条件下的力学特性直接关系到上部结构的稳定安全。
The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.
通过对该合聚物的IR和NMR谱图分析，得知该聚合物含有酯基和酮基的结构单元，以及环缩醛的侧链。
The crystal structure and electrochemical performance of the material were studied by XRD, cyclic voltammetry, electrochemical impedance spectroscopy (EIS) and galvanostatic charge-discharge tests.
用XRD、循环伏安、电化学阻抗谱(EIS)、恒流充放电测试研究了材料的晶体结构和电化学性能。
Some skills for seeking effective parameters to structure regular cyclic graph are released.
提出寻求有效参数构造正则循环图的新方法。
According to the structure of Quasi-Cyclic LDPC code, we can make a trade-off between hardware complexity and decoding throughput by applying semi-parallel architecture.
利用准循环ldpc码的结构特点，使用半并行结构的译码器可以实现复杂度和译码速率的有效折中。
The common program, which can calculate the lattice vibration for various crystals with NaCl structure type, has been made and it is applicable to cyclic or free boundary condition.
编制了氯化钠型结构各种晶体的晶格振动通用程序；它适用于循环或自由边界条件。
This system is so designed as to make a two-circuit structure with a cyclic time of 208 millimicroseconds.
该系统设计成循环时间为208毫微秒的双总线结构。
Four reasonable geometries on the potential energy hypersurface of glycine and water system are considered with the global minimum being a cyclic double-hydrogen bonded structure.
在这个体系中，我们找到了甘氨酸和水作用的四种稳定构型，其中最稳定的构型是一个环状的双氢键结构。
The works show the transparent, opaque and translucent qualities of glass by the multi-layer structure of the cyclic permutations and combinations.
该作品通过多层环状结构排列组合，显现出玻璃的透明、半透明和不透明的特质。
In the proposed cyclic training structure, all types of training symbols are transmitted cyclically at each antenna.
在建议的循环训练结构中，所有类型的训练符号被周期性地在每个天线发送。
It analyzes interleaved uplink OFDM signal structure, utilizes its cyclic characteristic to form specified data matrixes, and implements the carrier frequency offset estimation.
首先分析上行链路中交织OFDM的信号结构，利用其周期性质导出特定的数据矩阵，实现频偏估计。
This paper considered all the parameters properly and created the 3-D transient temperature field for cyclic symmetric structure of aircraft brake system with MSC.
针对飞机刹车装置这种循环对称结构，合理考虑各种相关参数，使用MSC。
Synthetic studies on cyclic peroxide which constitutes active structure unit in some natural substances are of great importance to the total synthesis.
环状过氧化物作为一类具有生物活性的天然产物的结构单位，其合成方法的研究对于这类天然产物的合成具有重要的指导作用。
Based on the structure of quasi-cyclic LDPC codes, a synchro partially parallel decoder is proposed in this paper.
该文根据准循环ldpc码的结构特点，提出了一种同步部分并行结构的译码器。
In engineering practice, the cyclic symmertric structures usually are quasi-cyclic symmertric structure; for their cyclic symmetry is non-ideal.
工程中实际的循环对称结构，往往因不能理想地循环对称而成为拟循环对称结构。
Since efficient and fast cyclic convolution algorithms are available in the literature, the algorithm has low computational complexity, simple and regular structure.
由于循环卷积和扭循环卷积具有非常高的效率和规则，因此，本算法具有简单、规则的结构和较低的运算复杂性。
High temperature low cycle fatigue (HLF) life prediction models have great significance for design of high temperature structure under cycLic loading.
高温低周疲劳(HLF)寿命预测方法对于承受变幅载荷的高温构件的设计具有重要意义。
The structure of physical layer, link layer and application layer was applied in field-bus of network control, data was gained through cyclic query of principal and subordinate PC in link layer.
控制网络现场总线采用物理层、链路层和应用层结构。链路层以主从循环查询获取数据。
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