阈值改变意义,The significance of threshold change
1)The significance of threshold change阈值改变意义
2)improved thresholding改进阈值
1.This paper aimed at the ultrasonic signal polluted by noises, which is low in SNR, put forward a method of the ultrasonic signal de-noising in wavelet domain based on a new kind of animproved thresholding function, and by the simulated test, proved this method can get a remarkable effect in signal de-noising.本文针对超声无损检测中超声信号受噪声污染、信噪比不高的情况,提出了一种新的基于改进阈值函数的小波域超声信号去噪方法,并通过仿真实验。
2.This paper aimed at the ultrasonic signal polluted by noises, which is low in SNR, put forward a method of the ultrasonic signal de-noising in wavelet domain based on a new kind of animproved thresholding function, and by the simulated test, it can get a remarkable effect in the signal denoising of the connect bolt ultrasonic testing in the light rail when using this method.本文针对超声无损检测中超声信号受噪声污染、信噪比不高的情况,提出了一种新的基于改进阈值函数的小波域超声信号去噪方法,并通过仿真实验,将该方法用于轻轨锚固螺杆超声检测中信号去噪,能够取得良好的效果,相对于经典的阈值函数,改进的阈值函数在此类超声信号去噪中更具有优势。
英文短句/例句
1.An improved threshold de-noising algorithm based on wavelet correlations基于小波相关性的改进阈值去噪算法
2.An Improved Threshold Function at One-dimensional Signal Denoising一种改进阈值函数在一维信号去噪中的应用
3.Research of wavelet packets image de-noising method based on improved threshold基于改进阈值的小波包图像去噪方法研究
4.Translation-Invariant De-noising of Body Fluttering Signal Based on Improved Threshold Function基于改进阈值函数的体震信号平移不变去噪
5.Improved Self-adaptive Threshold Canny Edge Detection改进的自适应阈值Canny边缘检测
6.Improvement of the Result Display of SPM Threshold CorrectionSPM阈值校正结果显示方法的改进
7.An improved adaptive wavelet threshold algorithm on image suppression改进的自适应阈值小波图像抑噪算法
8.Improved Relative Entropy-based Thresholding Algorithm for Segmentation一种基于相对熵阈值分割的改进算法
9.Improvement on SOI DTMOSFET StructureSOI动态阈值MOS器件结构改进
10.Improved Background Subtraction Based on Novel Thresholding Approach基于新的阈值化方法的背景减法改进
11.An Improved of SPIHT Algorithm Based on Variable Thresholds一种改进的可变阈值SPIHT图像压缩算法
12.An Improved Mean Filter Algorithm Based on the Threshold of Region Homogeneity Measure基于一致锐度阈值的均值滤波改进算法
13.New soft-threshold algorithm applying on telepresence改进型软阈值算法在临场感系统中应用研究
14.Application of Improved Threshold Denoising Based on Wavelet Transform to Laman Spectral Processing一种改进小波阈值函数在拉曼光谱去噪的应用
15.Noise Processing of MEMS Gyro Based on Improved Wavelet Threshold Method基于改进小波阈值法处理MEMS陀螺信号噪声
16.Research of improved algorithm for multilevel thresholding image segmentation based on fuzzy maximum entropy模糊最大熵多阈值分割的改进算法研究
17.Suppressing of PD Signal"s Strong Narrow-band Interference Based on Empirical Mode Decomposition改进经验模态分解阈值算法抑制强窄带干扰
18.Thresholding Based on Improved 2D Otsu Method and Chaotic Particle Swarm Optimization改进的2维Otsu法及混沌粒子群递推的阈值分割
相关短句/例句
improved thresholding改进阈值
1.This paper aimed at the ultrasonic signal polluted by noises, which is low in SNR, put forward a method of the ultrasonic signal de-noising in wavelet domain based on a new kind of animproved thresholding function, and by the simulated test, proved this method can get a remarkable effect in signal de-noising.本文针对超声无损检测中超声信号受噪声污染、信噪比不高的情况,提出了一种新的基于改进阈值函数的小波域超声信号去噪方法,并通过仿真实验。
2.This paper aimed at the ultrasonic signal polluted by noises, which is low in SNR, put forward a method of the ultrasonic signal de-noising in wavelet domain based on a new kind of animproved thresholding function, and by the simulated test, it can get a remarkable effect in the signal denoising of the connect bolt ultrasonic testing in the light rail when using this method.本文针对超声无损检测中超声信号受噪声污染、信噪比不高的情况,提出了一种新的基于改进阈值函数的小波域超声信号去噪方法,并通过仿真实验,将该方法用于轻轨锚固螺杆超声检测中信号去噪,能够取得良好的效果,相对于经典的阈值函数,改进的阈值函数在此类超声信号去噪中更具有优势。
3)threshold variability阈值变异
parative study of thethreshold variability between blue-on-yellow perimetry and white-on-white perimetry in normal subjects;正常人蓝/黄视野和白/白视野的阈值变异性比较
2.Purpose: To compare thethreshold variability of blue-on-yellow(B/Y) perimetry with white-white(W/W) perimetry, and evaluate the reproducibility of B/Y perimetry.目的:比较蓝/黄视野检查法[Blue-on-yellow（B/Y）perimetry]和白/白视野检查法[White-on-white（W/W）perimetry]阈值变异的情况,评价B/Y视野检查法的可重复性。
4)strain threshold value应变阈值
1.Creep damage model was improved by inductingstrain threshold value based on Norton-Bailey-Kachanov creep model, which was more exac.对镍基合金Nimonic 80A进行了550℃不同应力下单轴及空心螺栓的蠕变实验,引入应变阈值,结合Norton-Bailey-Kachanov蠕变方程,改进了蠕变损伤模型,模型能更准确描述蠕变全过程;修改有限元软件ABAQUS子程序,模拟了空心螺栓的蠕变过程。
5)threshold transformation阈值变换
6)adjustable threshold voltage阈值可变
延伸阅读
阈值分子式：CAS号：性质：一个领域或一个系统的界限称为阈，其数值称为阈值。在各门科学领域中均有阈值。如数学中y=f(x)函数关系，自变量x值必须在函数的定义域内，因变量y=才能有确定的值。这个函数的定义域就是x的阈值。在化工系统工程中用阈值来计算最优化问题。人为主观地制定一个决策往往是不合理的，随意确定一个决策值亦往往不能求得最优值。因此计算时要对独立变量取值范围赋予一定的数学限制，所有满足这些限制(阈值)的点构成最优化问题的可行域。
