1) correlation demodulation
关联解调
1.
The correlation concept is introduced,the signal correlation function was defined and the correlation demodulation theory of the fiber grating sensing system was basically established.
引进关联概念,定义了信号关联函数,初步建立了光纤光栅传感系统的关联解调理论。
2) correlation
关联
1.
Research progress on the correlations of physica1 properties between crude oil and its distillations;
原油及馏分油物性关联研究进展
2.
Vapor pressure measurement and correlation of optical active amyl alcohol and isoamyl alcohol containing FeCl_3;
含FeCl_3光学戊醇和异戊醇蒸汽压的测定和关联
3.
Experiment and correlation for compressibility of crude oils;
原油压缩系数实验与关联
3) association
关联
1.
A study of association between MAO gene and the bipolar affective disorder with psychiatric symptoms;
伴精神病性症状的双相情感障碍与MA0基因关联分析
2.
No evidence for genetic association between alpha-2 macroglobulin I1000V polymor- phism and sporadic Alzheimer s disease in two independent Chinese populations;
α2 -巨球蛋白基因 I10 0 0 V多态性与散发阿尔茨海默氏病的关联研究(英文)
3.
Multisensor data association based on azimuth information;
基于位置信息的多传感器数据关联
4) relation
关联
1.
Identification: Between Poetry and Painting——On the Relation BetweenAdvertisement Term andAdvertisement picture;
诗与画的交融——论广告词与广告画面的关联
2.
The relation of pressure drop in the regular stacked packing bed is studied by means of the experiment data, and this rela- tion is derived also.
根据实验数据研究了规整填料层压降的关联，导出了规整填料层压降的关联式，计算表明，与实验数据相吻合。
3.
On the basis of semi-theory analysis the relation of gas speed in the flood point for the bulk packing bed has been derived, the liquid flood packing factor in this paper of the packing commonly used has been calculated by means of experimental data.
在半理论分析的基础上 ,导出了散装填料层泛点气体速度的关联式 ,由实验数据计算了常用填料本文关联式的液泛填料因子。
5) relationship
关联
1.
P2P search based on node relationship of semantics networks;
基于语义网的节点关联的P2P搜索
2.
Relationship Research on Market Condition,Competition and Capital Structure;
市场条件、竞争状况与资本结构的关联研究
3.
Research on Relationship between Patent Strategy and Core Competence;
企业专利战略与核心竞争力的关联研究
6) Relevance
关联
1.
Analysis of the Relevance between the Distribution of Chain Drug Stores and Hospitals Institutions in Shanghai;
上海市连锁药店分布与医疗机构分布的关联分析
2.
Relevance-adaptation Framework in TEM-8 Translation;
TEM-8翻译中的关联-顺应构思
3.
On Applicability of Gutt s Relevance-Translation Theory in Translating Tang-Poems;
论Gutt关联翻译理论在翻译唐诗中的适用性——以分析《寻隐者不遇》八篇英译文为例
参考词条
补充资料：调制与解调电路
调制与解调电路
modulation and demodulation circuit
角按调制信号的瞬时值正比变化的电路，即 u。(t)=Ucmoin[(叭t+无pU。。sinomt)t〕(3)式中kp为调相比例系数。 实现调制与解调的具体电路见调制器与解调器。t}oozh一yu]一et一ood一onlu调制与解调电路(modulation and demo-dulation eireuit)用一个较低频率的信号去控制另一个较高频率的信号的某一参数(振幅、频率、相位)的电子电路称为调制电路，实现从已调制信号中恢复原始信号的电子电路称为解调电路。 调制、解调技术广泛用于通信、广播电视、自动控制及检测系统中。例如，在无线通信中被传输的原始信号。m(t)是某人的讲话、音乐等音频信号。音频信号容易被大气层吸收，不易传输到远方。要将音频信号传输到远方，首先需要将音频信号调制到另一个频率高得多的载波信号u。(t)上去，得到一个已调制信号“。(t)，u。(t)通过发射机就能传输到远方去。在远方通过接收机接收到u。(t)，然后再通过解调电路恢复出原来的音频信号。调制电路的方框图如图所示。图中调制信号“、(t)一Umtnsin。韶;载波信号uc(t)一UcmsinQJct;通常叭》叽。调制电路的输出信号u。(t)称为已调制信号。根据已调制信号被调制参数的不同，调制电路可分为振幅调制、频率调制和相位调制三种类型。 (1)振幅调制电路。实现已调制信号的振幅按调制信号的瞬时值成正比变化的电路，即 “。(t)=(Uem+KUmmsinomt)Sinoet =ue。(1+mosin。用t)sinoet(1) KU___、.、_.__、，~、一~一_式中m。一拱型称为调幅度。总是满足ma毛1。K为~’‘’‘aUc。曰’月“，「因~。‘~~’附‘~‘~一“一/‘调幅比例系数。 (2)频率调制电路。实现已调制信号的频率按调制信号的瞬时值正比变化的电路，即 u。(t)=Ueosin[(唤t+kfUmosin。。t)t〕(2)黑:}调制电路调制电路方框图 式中k，为调频比例系数。肠(I)(3)相位调制电路。 实现已调制信号的相位
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