1) microwave heartbeat signal
微波心动信号
2) heart rate variability
心律波动信号
1.
Analysis of heart rate variability via orthogonal wavelets;
基于正交小波变换的心律波动信号分析
2.
Based on averaged power spectrum and least square algorithm, the deduced spectral parameter is further used to analyze the heart rate variability of congestive heart failure patients and normal people.
心律波动信号具有1/f噪声特性,是非平稳的。
3) microwave signal
微波信号
1.
Discussion of electric power plant′s electromagnetic influence to microwave signal;
电厂电磁干扰对微波信号的影响
2.
According to ITU proposal,microwave link is used to Ka band,the scheme of transparence transmitting microwave signal over laser link was designed,including direct modulation transmission and microwave frequency conversion transmission.
采用ITU(国际电信联盟)推荐的Ka波段为星间微波链路的通信频段,设计了采用激光链路透明传输微波信号的系统方案,包括直接微波信号传输和微波信号变频传输的两种方案。
3.
In this paper, definition, composition, and key technic in design and implementation of the microwave signal transmission technology via optical fiber are mainly introduced, and its advantages and military issues can be solved is analysed in detail, Some features of radar signals under 18GHz and key technical indexes、function and structure of characteristic products are presented in the end.
介绍了新兴的微波信号光纤传输技术的定义、主要构成、实现方式以及应用的关键技术,并详细分析了它的发展优势及其应用领域,最后给出了实用中的各个频段微波信号的特点及相应各频段光端机的关键技术指标、功能结构。
4) micro-tremor signal
微动信号
1.
One outstanding feature that make TWS different from traditional ones is the detection of micro-tremor signals.
在军事、反恐、人质救援、地震等不同的场合中,穿墙生命探测发挥着越来越重要的作用,穿墙生命探测的一个显著特点就是对微动信号的探测。
6) fluctuation signal
波动信号
1.
Determination the number of freedom degree of voidage fluctuation signals in gas-solid fluidized bed is the premise and basis for quantificationally describing the gas-solid fluidized system.
本文采用小波分析方法,将气固流化床中空隙率波动信号进行小波变换,以相空间重构和混沌分析理论为基础,通过G-P算法和Liangyuechao提出的方法计算空隙率波动信号小波系数的最小嵌套维,从而确定了气固流化床中空隙率波动信号的自由度数,并对两种确定最小嵌套维的方法进行了比较。
2.
Generally,the friction differential pressure fluctuation signal or throttle differential pressure fluctuation signal was used to analyze the property of Gas-liquid two-phase flow.
以往对差压波动信号的分析,通常是指平行于流向测得的管道的沿程压力损失或节流装置产生的压力差。
补充资料：超声心动图检查
超声心动图检查
echo cardiography
是应用超声回波的原理来检测心脏结构和功能的一种非侵入性心脏检查方法。超声探头发射具有良好指向性的超声波，直线传播到心脏与大血管，当遇到心脏和大血管的结构时，发生反射和折射，由接收系统形成图像。它可以提供重要的心脏解剖结构及血流动力学信息，具有无创、安全和价廉的优点，已成为临床心血管疾病诊断中不可缺少的手段。目前临床常用的心脏超声诊断技术主要有4种：即①M型超声心动图；②两维超声心动图；③心脏超声造影；④多普勒超声心动图。
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