amplitude of noise
英 [ˈæmplɪtjuːd ɒv nɔɪz]
美 [ˈæmplɪtuːd əv nɔɪz]
网络 噪声幅度; 噪声振幅; 噪声功率; 杂讯振幅
双语例句
- The similarities between the much-loved father and his son are remarkable.
这位深受爱戴的父亲和他儿子之间惊人地相似。 - The Change of Acoustic Stapedius Reflex Amplitude with the Stimulation of the Wide Band Noise in Sound Field
声场下噪声刺激对镫骨肌声反射幅值的影响 - Noise immunity is the maximum amplitude of noise.
抗扰度是最大的噪声幅值。 - The variance and amplitude of the white noise decrease with the increase in the scale of the wavelet transform, but the variance and amplitude of a specific signal bear no relation to the wavelet transform scale.
白噪声的方差和幅值随着小波变换尺度的增加会逐渐减小，而信号的方差和幅值与小波变换的尺度变化无关。 - The diagram illustrating time-frequency-pressure amplitude ( Jewell-Campbell) of loom noise is shown in Figure 6.
作出了如图6所示的织机噪声的时间频率声压幅度图（JewellCampbell）。 - In the case of non-Hamiltonian perturbation, the generalized random Melnikov process and mean-square criterion are used to determine the threshold amplitude of the bounded noise for the onset of random chaos.
然后用推广的随机Melnikov过程方法研究了在非哈密顿扰动下发生随机混沌的必要条件； - One of major means to control the amplitude of the vibration noise of a detector was to control the amplitude of mechanical vibration, especially the amplitude of resonance.
控制探测器振动噪声的主要手段之一是控制其机械振动幅度，尤其是共振振幅。 - Though the instantaneous amplitude has something correlated with the reservoir distribution, human error may be made when recognizing the instantaneous amplitude information on account of noise.
而瞬时振幅信息虽然与储层分布的关系密切，但抗噪能力较差，在断续问题上也容易造成人为误差。 - In order to confirm the statue of the power fluid system for proactive maintenance, a new method is introduced to detect the weak pulse amplitude of particle signal buried in noise based on matched filter theory.
为准确的确定液压流体的污染状态，及时地对液压系统进行主动预防性维护，提出了采用匹配滤波原理进行微弱颗粒信号幅值检测的新方法。 - It adopts a new fuzzy detection method which simultaneously evaluates positive amplitude and negative amplitude of noise on each pixel, and can construct a new adaptive fuzzy signal space to adapt to the local change of noise.
该算法采用了一种新的模糊检测方法，可以同时检测各个像素点的正负向噪声幅度，从而能够建立一种新的自适应的模糊信号空间，以适应噪声在各个图像局部的变化。 - In the study of the stochastic chaos in simple pendulum, the random Melnikov process is derived and the mean-square criterion is used to determine the threshold amplitude of the bounded noise excitation for the onset of the chaos or random chaos in the system.
在随机混沌研究中，应用随机Melnikov过程的均方准则研究了单摆在有界噪声激励下发生混沌或随机混沌时有界噪声激励的临界幅值； - The measurement of amplitude distribution of the noise in a transistor triode
晶体三极管噪声振幅分布的测量 - The method can realize time variant merging automatically, result in simultaneous corrections both for phase and amplitude and avoid the influence of noise.
此方法可自动实现时变拼接，达到相位和振幅同时校正，而且能避免噪声的影响。 - This paper discusses theoretically the problem of recovering true amplitude of sign-bit seismic recording. It gives respectively the error formulas in recovering true amplitude when probability density of random noise is in uniform distribution and in normal distribution.
本文从理论上讨论了恢复符号位地震记录真振幅的问题，分别提出了随机噪声的概率密度呈均匀分布和正态分布时恢复真振幅的误差公式。 - During the process of optimization, chaos simulated annealing was realized by decaying the amplitude of the chaos noise and the probability of accepting continuously.
在寻优过程中，通过不断衰减混沌扰动幅度及混沌扰动的接受概率来实现混沌的模拟退火。 - The algorithm is based on the different amplitude value change of signal and noise and their distributing character in the wavelet domain, by this way, we can find the site and the value of the noise in the wavelet domain.
该算法对传统的小波阈值法进行了改进，根据信号与噪声在小波域的分布特性以及信号和噪声小波变换模极大值随尺度的变化快慢不同。 - It is found that the amplitude distribution of nai-row band semiconductor noise agrees with that of the normal law distribution.
测量结果证明窄频带晶体三极管噪声的振幅分布，和遵守正态律的振幅分布相符合。 - The amplitude of noise envelope is argued as a parameter for scaling seismic noise level.
提出用噪声包络幅度作为背景噪声的统计特征量； - The system was run under a range of operating conditions and results were presented in terms of the noise amplitude of the continuous noise spectrum and the ripple amplitude presented in the output voltage.
结果显示了系统工作在不同的参数条件下，输出电压中纹波电压幅值和噪声电压幅值的变化规律。 - Within the same noise frequency, the amplitude of noise reduction reached is maximum 0.3 m above the ground.
同一频率，距地面0.3m时减噪幅度最大。 - The noise in AFM measurement process was tested after the shafting was assembled. The amplitude of static noise dropped to about 10 nm though structural modification.
同时对安装回转轴系后AFM的测量噪声进行了测试，并通过结构改进使静态噪声幅值降为约10nm。 - In the far-field, the further object scanned by FZP with fewer fringes has flatter and lower amplitude of twin-image noise for reconstructed image.
满足夫琅和费远场条件的两个物体，z值大的物体将被环数少的菲涅耳波带板扫描，具有小而平直的孪生像噪声振幅； - A detection algorithm is derived to implement radar target detection through the Rao test with known Doppler frequency shift and unknown complex amplitude of the correlated noise, which is assumed as an autoregressive ( AR) model.
将相关噪声看作为AR模型，在未知信号复幅度而已知目标多普勒频移情况下，利用Rao检验方法实现了雷达目标检测。 - Effects of amplitude fluctuations of signal and background noise on line spectrum detector performance
信号和背景噪声的幅度起伏对线谱检测器性能的影响 - First, the generation mechanism, components and frequency characteristic of radiated noise of naval ships are studied. There exists periodical modulation for the amplitude of propeller noise.
首先讨论了舰船辐射噪声的产生机理、构成和频率特性，指出螺旋桨噪声的振幅存在周期性调制。 - With the increase of [ O/ C] ratio, the stability of hot-oxygen flame increases, the amplitude of special frequency peak decreases and flame noise decreases.
随着氧碳比的上升，火焰内部稳定性加强，噪声频谱图中特殊峰的幅值下降，火焰噪声降低。 - However, the ensemble number and amplitude of added noise are two parameters are required to determine before the decomposition processes.
然而集合数和所添加噪声的振幅两个参数在分解前需要确定。 - It mainly presented as: the event number changed with the number of cycles: the changes of the amplitude and distribution of the frictional vibration/ noise signals.
主要变现在事件数随循环次数的演变；摩擦振动／噪声信号幅值的大小和分布位置的变化等。 - First we found that only a specific system can improve signals whose amplitude and intensity of noise are in a finite range.
首先我们发现，对于一个特定的系统（系统参数保持不变）来说，信号的振幅和噪声强度只有在特定的有限范围内，其信噪比才能被提升。 - Because the amplitude of wavelet coefficients of noise is smaller than that of signal, the influence of noise can be decreased.
由于在大尺度上噪声的小波变换系数的幅值比信号的小波变换系数的幅值小，该算法能有效抑制噪声的影响。