码长

该方案不仅缩短了码长，而且可以抵抗多种合谋攻击。

It shortens code length , and can counteract multi - collusion attacks .

解码时，按最大码长读取一段比特流，根据首个1之前0的个数确定出在哪个分组中查找。

In the decoding process , we initially read a bitstream according to the maximum code length , and decide which group to search according to the number of ' 0 ' bits ahead of the first ' 1 ' bit .

流动厕所前总排着20码长的队伍。

There was a permanent 20-yard queue for the portable toilets .

队伍排得有几百码长，票被炒到10英镑一张。

The queue stretches several hundred yards and tickets are touted for a tenner .

这个孩子把松紧带拉到一码长。

The child drew out the piece of elastic till it measured a yard .

设计了一种码长可变、纠错能力可调的RS编码器。

In this paper , we design an RS encoder with a varied length of code and rectified ability .

现提出了一种基于3GPP中可变码长交织器的并行交织器，其最大的优点就是可以实时产生。

This article introduces a design based on 3GPP length-variable interleaver .

实验表明基于遗传K均值算法的Context量化比一般的基于K均值算法Context量化效果更好，能够找到最小的码长。基于遗传K均值算法能够找到最佳的聚类数。

The experiments show that Genetic K-means algorithm is better than K-means algorithm based Context quantization , it can find the best number of clusters and get the best code length .

该方法应用线性预测原理减少数据的冗余度并应用Huffman编码以实现最佳平均码长。

This approach uses prediction to reduce the redundancy and classical Huffman coding to reduce the average code length .

提出了一种可变码长编码方式，其应用于慢衰落信道中的基于有限反馈迫零预编码的多用户MIMO系统。

A method of variable length coding is proposed in this paper , which is employed in multiuser limited feedback MIMO system using zero-forcing precoding in slow fading channels .

根据条件熵必不超过无条件熵这一结论，可知Context模型可以有效的减少信源的信息熵，从而减少图像编码的码长。

According to the conclusion that conditional entropy will be no more than the unconditional entropy , we can see the Context model can effectively reduce the entropy of the source of information , thereby reducing the code length of the image coding .

码长为p~m的二元Duadic码的计数和构造

Enumeration and Construction of All Binary Duadic Codes of p ~ m Lengths

用从PLA中查出的码长来控制桶形移位器的位移，实现每个周期解出一个码字。

The PLA 's output code length controls the barrel shifter to eject the right number of bits from the bit stream , and one variable length code can be decoded in each clock cycle .

给出了Gallager软判决和硬判决译码算法的详细推导和证明，对置信传播译码算法在不同码长和迭代次数下进行了仿真和性能分析。

It is provided the detailed deduction and demonstration of the Gallager soft and hard decision decoding algorithm .

该译码器可兼容多种码长、多种码率的LDPC码，因此只需要设计一个译码器，就可以完成对具有相同列重的不同LDPC码的译码。

Moreover , this decoder is also compatible with various block-lengths and code-rates , so only one decoder is needed for different LDPC codes with the same column weight .

本文研究了二进制序列的群相关特性，证明了不仅二进制序列的群相关函数是理想的，而且当码长N是偶数位时，它的某些子集的群相关函数也是理想的。

The group correlation properties of binary sequences is studied . And a conclusion is drawn that not only the group correlation function of a binary sequence itself is ideal , but also that of some of its subsets , when code length N is even , is ideal .

在AVS码流中，基于哥伦布码字与待嵌入比特之间的映射规则，采用等码长对码调制算法，调制相应的哥伦布码字实现水印信息的嵌入。

In the bit stream of AVS video compression standard , watermarking was implemented by modulating the corresponding Exp-Golomb code , which is based on the mapping rules between these codes and the information bits .

20信道总功率-2.86dBm，每一信道用2.5Gb/s、码长271的非归零码通过电吸收调制器（EA）进行外调制。

Each channel was modulated by an electro-absorption ( EA ) modulator using a 2.5 Gb / s nonreturn-to-zero ( NRZ ) format , with a 27-1 long pseudo-random bit sequence ( PRBS ) signal .

结合本课题具体情况，提出码长为3的QPSK时域相干OCDM，并用四进制移位寄存器生成了码长为3、容量为5的基于A序列的周期循环四相双极性码。

QPSK coherent OCDM in time domain of code length 3 is proposed . The period quarternary bipolar codes of code length 3 and code capacity 5 are generated with quarternary shift register .

这种构造方法简单灵活，能构造出各种码率码长的QC码，其短小而重复度高的结构化模块使其更易于编码和存储。

This is a very simple and flexible method and various code length and code rate can be obtained through this method . The small structured modulation of this code makes it easier to practice the encoding and need less storage spaces .

仿真结果验证了该译码方法的有效性。2为了提高中短码长的LDPC码的置信传播译码（BP）算法的译码性能，提出了基于信道信息纠正的多状态BP迭代算法。

Simulation results show the efficiency of the hybrid algorithm . 2 To improve the performance of the Belief Propagation ( BP ) decoding for short and middle length Low-Density Parity-Check ( LDPC ) codes , we propose a modified BP decoding based on the correction of channel information .

将通信中的M序列引入到BUA测量中来，相对其他编码信号，M序列产生容易，发射简单，且码长较长，因此更加适合于骨密度测量。

Compared to other coding signals , M series can be easily generated , simply emitted and with longer code length , therefore it is more suitable in bone mineral density measurement , also improvement in precision can be displayed from experiments . 4 .

另一种是列等分相邻位置关联编码（CA-APRE），CA-APRE充分利用了图像的行列先验结构信息，可减小复杂二值图像的码长15%&30%以上，且编解码运算量与原方法相同。

The second is Column Averaged-Adjacent Position Relevancy Encoding ( CA-APRE ), which reduces code length more than 15 % & 30 % to adequately utilize the transcendental structure information of row and column in a binary image , and keeps encoding and decoding computation the same as before .

变码长图像编码数据实时解码器的设计与实现

Design of Real-Time Image-Decoding and Reconstructing System Based on Variable-Length Code

有些大草垛有九码长五码宽。

Some ricks were nine yards long by five yards wide .

基于最短平均输入码长的手机键盘布局优化

The Optimizing Mobile Telephone Keyboard Based on Least Average Keystrokes

在不同地区，这六码长的布会以不同的风格披上去。

The six yard cloth is draped in different styles for various regions .

栅栏可是三十码长，九英尺高啊。

Thirty yards of board fence nine feet high .

锁在我左腿上的链子大约有两码长。

The chains that held my left leg were about two yards long .

这块毛料刚巧是十码长。

His woollen cloth measures ten yards exactly .