ID 原文 译文
23355 在该方法中，非均匀DFT 调制滤波器组的子带滤波器由均匀 DFT 调制滤波器组经子带合并和相位调制获得。 In order to overcome this deficiency, a novel construction approach is proposed, in which the subband filters of the nonuniform filter bank are obtained by jointly employing the subband merging and phase modulation of the uniform one.
23356 构造所得的非均匀滤波器组与原均匀滤波器组的重构特性近似相等。 The resultant nonuniform filter bank exhibits the very approximate overall performance as the uniform one.
23357 同时推导出非均匀子带滤波器具备良好频率特性的条件。 Moreover, the conditions are derived for the nonuniform DFT modulated filter banks to possess satisfactory frequency characteristics.
23358 理论分析和仿真结果均表明了所提的构造方法的有效性。 Both the theoretical analysis and simulation results show the effectiveness of the proposed method.
23359 针对目前 Turbo 码分量编码器参数识别算法容错性不好、计算量大的缺点，该文提出一种基于校验方程符合度的新算法。 In order to solve the defects of poor error tolerance and large calculation amount in current Turbo-code encoder recognition algorithms, a new algorithm based on conformity of parity-check equation is proposed.
23360 首先，根据码元约束长度较小的特点，构建出编码器生成多项式数据库，然后通过遍历多项式数据库，计算出每种多项式所对应的平均校验方程符合度值，其最大值所对应的索引号即为多项式库中的正确多项式索引号，从而完成编码多项式的识别。 Firstly, according to small code constraint length, the coding polynomial database is built, then each polynomial of average conformity of parity-check equation is calculated by traversing the database, as a result, the Turbo-code encoder can be realized, because the correct polynomial can make the conformity maximum.
23361 该算法仅仅遍历有限的多项式数据库，其计算量较小，只与截获的数据量有关；算法采用的数据为软判决信息，故其容错性能较好。 The algorithm has small amount of calculation because of finite traversal, which is only related to amount of intercepted data, besides, this algorithm has good error tolerance by soft decisions.
23362 仿真结果表明：在信噪比为 0 dB 条件下，仅需要截获 10码块，交织长度为 100 的码元数据量，参数的识别率就能达到 90%以上。 The simulation results show that the correct ratio of recognition can reach 90% at SNR of 0 dB by the 10 intercepted code blocks, and the length of each block is 100.
23363 真值表约简是数字逻辑电路分析与设计的关键问题之一，形式概念分析(Formal Concept Analysis, FCA)是一种从形式背景进行数据分析和规则提取的工具。 Truth table reduction is one of the key problems in the analysis and design of digital logic circuits, and FCA (Formal Concept Analysis) is a tool for data analysis and rule extraction from formal contexts.
23364 该文将多输入多输出(Multiple-Input Multiple-Output, MIMO)真值表转化为决策形式背景，将真值表的约简问题转化为决策形式背景的最简规则提取过程，提出一种基于 FCA的 MIMO 真值表并行约简算法。 In this paper, MIMO (Multiple-Input Multiple-Output) truth table is transformed into formal decision context, thus the reduction problem of truth table is transformed into the simplest rule extraction process of formal decision context. Then, a parallel reduction algorithm for MIMO truth table based on FCA is proposed.