查询词典 interleaver

Due to the use of parallel concatenated code, pseudo-random interleaver and iterative decoding technique, Turbo Code is capable of achieving an arbitrarily small BER of 10~(-5) at the SNR of just 0.7 dB.

对于Turbo码的研究目前已经取得了大量的理论和仿真成果，但是Turbo码仍然缺乏系统严格的理论指导，实际应用中几个关键问题需要解决。

From the sequence correlation requiring of Turbo codes coding and decoding, correlation of sequence is proposed as a criterion to design interleaver. a good interleave scheme called clinodiagonal interleaver is obtained.

研究了高码率Turbo码的两种构成方案，给出删除法交织器的设计方法，通过对两种构成方案的性能和译码复杂度比较，得到了删除法构成高码率Turbo码能在译码复杂度和性能上取一较好折衷的结论。

From the sequence correlation requiring of Turbo codes coding and decoding, correlation of sequence is proposed as a criterion to design interleaver, a good interleave scheme called clinodiagonal interleaver is obtained.

从Turbo码距离特性解释了Turbo码的性能，由于分量码采用递归系统卷积码，具有码距拖尾性，使得交织器长度为N的Turbo码能使误码率降低到卷积码的1/N。

Application of finite impulse response theory in the design of optical interleaver.

有限脉冲响应理论在interleaver设计中的应用。

After convolutional encoding , the data is reordered by the interleaver. At the receiver , the data pass through deinterleaver for the purpose of dividing possible consecutive error bursts into inconsecutive code , so it can be corrected by convolutional decoding. Matrix interleaver with CPLD is designed , because it is convenient to program. Considering various matrix interleaver , an all - purpose matrix interleaver is designed. You can ap2 ply it to your own project only altering initial parameters.

交织编码在3G系统中已经大量使用，数据通过卷积编码后进行分组交织，在接收端完成反交织，将连续误码分散成非连续误码，从而使得误码在纠错允许的范围内得到纠正； CPLD 具有方便的在线编程功能，可以用来实现交织编码；考虑到矩阵交织器的多样性而设计的通用矩阵交织器，只须通过修改一些参数值即可实现不同的交织器，大大节省了设计时间。

Another interleaver called mod-k interleaver which will be used in RCPT is also presented in this chapter.

结合mod-K交织器，在宽带CDMA系统中实际仿真了RCPT的性能，分析了提高系统容量的途径。

In this thesis, the principle and mathematical model of the interleaver are studied first, where the experimental measurement and operations of an interleaver are included as well.

在本论文中，先研究间隔器的相关原理和数学模型的建立，并且附上实际元件量测与间隔器在单向放大路径的结构之操作。

Based on this conclusion, some principles followed in the design of the interleaver on the property of the free distance are discussed, so we can know more about the inner structure of Turbo codes and the importance of the interleaver.

利用这样的结论，作者讨论了交织器设计过程中满足距离谱特性要求时应遵循的一些设计原则，这样可以更好地了解Turbo码的内部结构以及交织器的重要作用。

The performance of the turbo codes employing 16, 8 or 4 states constituent codes are compared with each other. The effect of a block interleaver or a random interleaver on turbo codes is analyzed, and the concept of"effective length of codewords"is presented.

分析与模拟了由不同状态、不同连接矢量的分量码构成的turbo码的性能，讨论了归零处理turbo码性能的影响，研究了分组交织器与随机交织器的性能差异，提出了&有效码长&的概念； 4。

The circuitry of outer coder consists of data formation, data randomizer, RS encoder, and interleaver in the transmitter and their counterparts in receiver: data reverse transformer, de-randomizer, RS decoder and de-interleaver.

外码电路包括发射端的数据格式变换、扰码、RS 编码、交织，在接收端相对应于的数据格式反变换、解扰、RS 译码、去交织。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。