编码信号

Then the hardware environment and system flow of coding and decoding algorithm of G.723.1 was mainly described. The scheme of transferring speech signal by EDMA was described to reduce the load on DSP core and can be used for multi-channel speech codec.

接着着重介绍了G.723.1编解码算法在DSK6416上实现的硬件环境，系统工作流程，描述了用EDMA传输语音信号的方案，减轻了DSP的负荷，为多通道语音编码提供了可能。

Of digital signal encoding process is to understand the core of the program.

对数字信号编码过程是理解该程序的核心。

The deduced amino acid sequence of human transferrin showed similarities of 94%, 91%, 78% and 73% with those from Pongo pygmaeus, Macaca fascicularis, Oryctolagus cuniculus and Rattus norvegicus.

进一步分析发现人转铁蛋白基因有19个外显子和18个内含子，编码人转铁蛋白N端具有19个氨基酸组成的信号肽序列。

The cDNA has 752bp and encodes a protein of 216 amino acids. Thenascent Src l contained a signal peptide of 19 amino acids, a propart of 19 amino acidsand a 178-amino-acid mature Src l. The characteristic amphiphilic α-helix of cytolysin islocated at the N-terminus of the mature Src l.

根据文库的EST序列设计引物，从玫瑰红绿海葵克隆到一全长cDNA序列，命名为Src I，利用生物信息学方法对其进行了分析，结果表明，该cDNA序列编码一个216个氨基酸的海葵细胞毒素前体蛋白，它包括19个氨基酸的信号肽、19个氨基酸的propart motif和178个氨基酸的成熟蛋白。

These skew reflect mainly those in protein coding sequences, which are driven by asymmetric mutation pressures during replication and transcription (notably asymmetric cytosine deamination) plus subsequent selection for preferred structures, signals, amino acid or codons.

这些不对称性主要反应在蛋白质编码序列上，并且主要是受到复制与转录期间复制双股之间的不对称突变压力加上之后为了偏好的结构、信号、胺基酸或转录子的筛选所驱使。

In this dissertation, to deal with this problem, a new method of adaptive wavelet decomposition is proposed.

作为一种新的数学工具，小波变换在信号分析和数字图像处理中得到了广泛的应用，并在数据压缩和图像编码等领域取得了优于传统方法的成果；但是，小。。。

With the development of the techniques of optical storage and digital recording, many advanced optical storage and digital recording channels have been proposed, which have been forwarding the research of the signal processing and coding.

随着光存储技术的不断发展，许多先进的光存储和数字记录信道被相继提出，从而推动了信号处理与编码技术的研究。

A simpler and more useful phase discriminator was designed because the export pulses can not change at the same time.

根据编码器输出信号不能同时跳变的特点，设计了一种更简单有效的双向触发鉴相电路。

In this paper, a new algorithm based on wavelet transform and Teager energy operator is presented to detect voiced regions.

常用的浊音段提取方法多采用语音信号的短时能量、短时平均过零率及线性预测编码参数等来提取浊音段。

In order to obtain the novel recombinant exotoxin fusion protein B7-PE40KDEL and to further explore the mechanisms of proliferation, differentration and related signaling transduction regulated by B7-1 and B7-2, their extracellular region cDNA were obtained via PCR.

为了研创B7-PE40KDEL新型重组外毒素融合蛋白，同时也为今后更深入地探讨B7-2和B7-1分子在调控T细胞增殖、分化及相关信号传导过程中的作用，本研究首先通过PCR克隆获得了含编码人B7-2和B7-1分子胞外区的cDNA。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。