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。
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。
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
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。
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。
The noise conditions defined by the paper include two factors:noise strength and noise distribution density.
本文中定义的噪声条件包括噪声强度及噪声分布密度两个因素。
The noise strength, laser amplitude and laser frequency were cooperative interactions, which together controlled the behavior of the laser DNA interaction system.
噪声强度、激光振幅和频率协同作用,共同制约着生物系统的演化过程。
Effect of Medium and Low Intensity Noise on the Electrocardiogram of the Workers;
中低强度噪声对作业人员心电图的影响
Analysis of Effect of Low Intensity Noise on Operating Workers
低强度噪声对作业人员危害情况的分析
The influence of light source intensity noise on FOG limited sensitivity is analyzed.
分析了光源强度噪声对光纤陀螺极限灵敏度的影响。
Intensity Noise Properties of LD Pumped Single-Frequency Ring Lasers
激光二极管抽运的环形单频激光器的强度噪声特性研究
According to the acoustics, continual exposure to noise of high intensity would lead to loss of hearing.
根据声学,持续暴露在高强度噪音下,会导致失聪。
Control of powerful noise radiated by plate ball mill from time and space angles
从时间与空间角度控制板式球磨机强辐射噪声
Algorithm of Noise Reduction and Contrast Enhancement for Intravascular Ultrasound Images
血管内超声图像的血液噪声抑制和对比度增强算法
A Study on the Minimal Intensity Gain of Double Auditory Signals at Different Levels of Cockpit Noise;
不同飞机座舱噪声水平条件下双重听觉信号强度增量的研究
Intensity Correlation Time of the Single-Mode Laser with the Noise Cross-Correlation Intensity Modulated by Time Period
噪声交叉关联程度受时间周期调制下单模激光的光强关联时间
quantum limited sensitivity
量子噪声限制灵敏度
measured noise level [MNL]
量度所得的噪音声级
Noise equivalent temperature difference (NETD)
噪声当量温度差(NETD)
ratio of gain to noise temperature of an antenna
天线增益噪声温度比
According to range image noise, combining intensity image with multilevel median filtering is used for actual ladar image.
根据距离像噪声来源,采用结合强度像的多级中值滤波对实际的雷达图像进行了去噪处理。
While high-frequency sounds tend to be more hazardous5 and more annoying to hearing than low-frequency sounds, most noise pollution damage is related to the intensity of the sound.
虽然高频声音比低频声音更加危险且恼人,大多数的噪音污染损害却与声音强度有关。
While high frequency sounds tend to be more hazardous and more annoying to hearing than low frequency sounds, most noise pollution damage is related to the intensity of the sound.
虽然高频 声音比低频声音更加危险且恼人,大多数的噪音污染损害却与声音强度有关。
Measurement Technique of Noise Acoustic Intensity Based on Vector Hydrophone
基于矢量水听器的噪声声强测量技术
Analysis and Research for Noise Intensity of Heat Exchanger in Radiator of Graders
平地机水箱换热器噪声声强分析研究