1) specific sound-energy
比声强度
2) phonometer
[英][fəu'nɔmitə] [美][fo'nɑmətɚ]
声强(度)计(声)
3) noise intensity
噪声强度
1.
When Ma in channel 3 increased, noise intensity ~increased monotonously; frequency of the peak remained the same, but its power became stronger.
实验结果表明随着三通道气流马赫数逐渐增大,噪声强度随之增大,峰值频率基本不变,但能量变强;随着一通道气流马赫数增大,噪声强度先减小后增大,并且频谱图上出现高频峰,该峰能量逐渐变强;改变一、三通道气体喷口流速比,噪声强度呈现减小、增大、减小的非均匀变化趋势,峰值频率逐渐变大。
2.
In this paper, the problem of robust sampleddata estimation for continuous systems with noise intensity uncertainty is discussed by taking account of intersample behavior.
基于内采样特性讨论噪声强度不确定的连续系统的鲁棒采样估计问题，主要目的是为这类不确定系统设计离散滤波器，使每个状态的估计误差方差不大于预先指定值，从而获得满意的稳态滤波特性。
4) Echo intensity
回声强度
1.
An acoustic model was set up to estimate the concentration of suspended particulate matter(SPM) from ADCP echo intensity,which accounted not only for the attenuation caused by seawater and SPM,but also the corrections of non-spherical spreading in the transducer near-field and instrument.
利用黄河口海床基声学多普勒流速剖面仪(ADCP)的周日观测资料对悬浮物浓度进行了反演,反演过程中综合考虑了球面扩散、声学近场的非球面扩散、海水和悬浮颗粒的吸收衰减以及其他因素对回声信号的影响,结果表明在粒径保持相对稳定的情况下,利用ADCP仪回声强度反演悬浮物浓度具有较高的精度。
2.
The investigation was carried out during June 2006 using RD300K ADCP,echo intensity extracted from ADCP,temperature,salinity and current velocity were selected as input layer variables,suspended particle matter concentration of surface layer was calculated based on BP algorithm.
根据2006年7月在长江口区的20个站位使用RD300K型宽幅ADCP测量得到的实测资料,提取其回声强度信息,把回声强度、温度、盐度、流速作为输入层变量,利用BP算法反演悬浮泥沙浓度,结果表明此方法精度较高(平均相对误差为18。
5) intensity noise
强度噪声
1.
Research on methods of intensity noise reduction in spectrum-sliced WDM systems;
抑制频谱分割WDM系统强度噪声的方法研究
2.
Expatiating on the intensity noise properties of solid lasers,the experiments find the relaxation oscillation noise(RON) is the main reason to bring intensity noise in the monolithic Nd:YAG laser.
阐述了固体激光器强度噪声的特性,实验观测表明驰豫振荡是单块固体Nd:YAG激光器强度噪声的主要来源,噪声峰值的中心频率随着泵浦和输出功率的增加向高频方向移动,且在中心频率附近发生180°相位跳变。
3.
The intensity noise of a free-running diode laser was investigated experimentally.
在实验上研究了自由运转模式下半导体激光器的强度噪声。
6) acoustic source intensity
声源强度
补充资料：比度
1.谓比照。
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