PPM序列,PPM sequence,音标,读音,翻译,英文例句,英语词典

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1) PPM sequence 点击朗读

PPM序列

One of the most important issues of pulse position modulation (PPM) for optical wireless communications is the receiver symbol synchronization subsystem, in this paper, the basic principle of symbol synchronization for PPM sequence is discussed, and the upper limit of exact synchronization probability for random PPM sequence is analyzed.

讨论了PPM序列的符号同步原理;在分析随机PPM序列的精确符号同步概率上限的基础上,给出了一种在PPM序列中插入同步信号来实现PPM精确符号同步的方案及其数字逻辑电路实现。

2) PPM *

PPM*

One uses an a priori upper bound on the lengths of the contexts,while the other is unbounded,called PPM **.

PPM算法分建模和编码两步 ,在建模时有两种方法选择上下文模型 ,一种是固定最大长度上下文 ,即 PPM;另一种是不固定最大长度上下文 ,即 PPM*。

3) PPM value 点击朗读

PPM值

Then the PPM values are converted into con- ductivity and susceptibility using professional software,so that the underground information is ob.

利用数字锁相技术获取一次场、二次场多频信号的同相分量和垂相分量,再利用专业软件将归一化PPM值转换成电导率和磁导率,继而成像获取地下信息。

更多例句>>

4) PPM indicator 点击朗读

PPM表

This paper mainly introduces the time characters of VU indicator,PPM indicator and digital PPM indicator,together with their merits and demerits in producing program and monitoring process and their application of different needs.

本文重点介绍了VU表、PPM表、数字PPM表的时间特性,它们在节目制作、监听过程中的优、缺点以及在不同需要时的应用。

5) PPM

PPM法

The study on PPM-related Issues 点击朗读

PPM法的相关问题研究

6) Sequence [英]['si:kwəns] [美]['sikwəns] 点击朗读

序列

Identifying and sequence analysis of HLA-B~*2736; 点击朗读

HLA-B~*2736等位基因的序列分析

Compositive sequence in treatment of oral and maxillofacial hemangioma; 点击朗读

口腔颌面部血管瘤血管畸形的综合序列治疗

Sequence analysis of HIV-1 subtype B′viruses; 点击朗读

B′亚型人类免疫缺陷病毒的基因序列分析

更多例句>>

补充资料：ppm

分子式：
分子量：
CAS号：

性质：是parts per million 的缩写，即百万分之一，百万分率，现已不用。应以10^-6表示。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

参考词条

No序列 a序列列序 an序列序列/反序列序列排列

说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。
	您的位置：首页 -> 词典 -> PPM序列 1) PPM sequence PPM序列 1. One of the most important issues of pulse position modulation (PPM) for optical wireless communications is the receiver symbol synchronization subsystem, in this paper, the basic principle of symbol synchronization for PPM sequence is discussed, and the upper limit of exact synchronization probability for random PPM sequence is analyzed. 讨论了PPM序列的符号同步原理;在分析随机PPM序列的精确符号同步概率上限的基础上,给出了一种在PPM序列中插入同步信号来实现PPM精确符号同步的方案及其数字逻辑电路实现。 2) PPM * PPM* 1. One uses an a priori upper bound on the lengths of the contexts,while the other is unbounded,called PPM *. PPM算法分建模和编码两步 ,在建模时有两种方法选择上下文模型 ,一种是固定最大长度上下文 ,即 PPM;另一种是不固定最大长度上下文 ,即 PPM。 3) PPM value PPM值 1. Then the PPM values are converted into con- ductivity and susceptibility using professional software,so that the underground information is ob. 利用数字锁相技术获取一次场、二次场多频信号的同相分量和垂相分量,再利用专业软件将归一化PPM值转换成电导率和磁导率,继而成像获取地下信息。更多例句>> 4) PPM indicator PPM表 1. This paper mainly introduces the time characters of VU indicator,PPM indicator and digital PPM indicator,together with their merits and demerits in producing program and monitoring process and their application of different needs. 本文重点介绍了VU表、PPM表、数字PPM表的时间特性,它们在节目制作、监听过程中的优、缺点以及在不同需要时的应用。 5) PPM PPM法 1. The study on PPM-related Issues PPM法的相关问题研究 6) Sequence [英]['si:kwəns] [美]['sikwəns] 序列 1. Identifying and sequence analysis of HLA-B~2736; HLA-B~2736等位基因的序列分析 2. Compositive sequence in treatment of oral and maxillofacial hemangioma; 口腔颌面部血管瘤血管畸形的综合序列治疗 3. Sequence analysis of HIV-1 subtype B′viruses; B′亚型人类免疫缺陷病毒的基因序列分析更多例句>> 补充资料：ppm 分子式：分子量： CAS号：性质：是parts per million 的缩写，即百万分之一，百万分率，现已不用。应以10^-6表示。说明：补充资料仅用于学习参考，请勿用于其它任何用途。参考词条

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