1) threshold of action
动作阈值
2) thresholding
阈值操作
1.
Via thresholding operation in wavelet domain of image,it can reduce noise effectively,and at the same time,with a little loss of image detail.
通过对图像的小波变换系数进行阈值操作，可以有效降低噪声，同时又较好地保持图像细节。
3) dynamic threshold
动态阈值
1.
Dynamic Threshold Based Image Segmentation Technology for Tongue Diagnosis in Traditional Chinese Medicine;
基于动态阈值的图像分割技术在中医舌诊中的应用
2.
A method for image salient regions detection based on layers and dynamic threshold;
基于层次和动态阈值的图像显著区域检测方法
3.
Vector quantization based on the dynamic threshold of speaker recognition
基于动态阈值失量量化的说话人识别
4) Motor threshold
运动阈值
1.
After determined awake resting motor threshold(MT) of right hind limbs,rats were introduced to middle cerebral artery occlusion for 1 h and reperfusion for 72 h;rTMS were(applied) to them at the beginning and 12 h after the reperfusion,and then repeated every 24 h.
方法测定Wistar大鼠右后肢运动阈值(MT),制作左侧大脑中动脉栓塞(MCAO)再灌流模型,给予rTMS(1次/d),再灌流72 h处死取脑。
5) Vibratorv threshold
振动阈值
6) floating threshold
浮动阈值
1.
Noise image edge detection based on lifting scheme and floating threshold;
基于提升方案和浮动阈值的含噪图像边缘检测
2.
By analyzing the good time-frequency properties of wavelet packet transform and according to the different wavelet properties between the signal and noise,the method of using floating threshold to denoise is adopted which realizes the weak signal detection at low signal-to-noise ratio.
在分析小波包变换具有良好的时频特性基础上,根据信号和噪声具有不同的小波特性,采用浮动阈值去噪的方法,解决了低信噪比情况下弱信号的检测。
3.
In this paper,a new signal denoising algorithm based on the best wavelet packet basis which adopts Shannon entropy and the floating threshold is discussed,and is used in the signal denoising of the anti-ship missile s gyro.
文中提出了一种基于Shannon熵准则的最优小波包基浮动阈值去噪算法,并将其应用于某型反舰导弹陀螺仪信号的去噪处理。
补充资料：地理阈值
亦称地理临界值。它将地理系统中的不同状态加以分隔与区分，把某一性质的表现范围加以限制和说明。在此种意义上，地理阈值代表了系统的“状态空间”的非连续性。在一般叙述中，常把地理阈值等同于地理系统边界条件，但二者是有区别的：如果两种不同的状态同时存在于相同的边界条件之中时，地理阈值的表现可能是“非传递性”的转移；而当两种不同状态分置于不同的边界条件之中时，地理阈值的表现可能是“过渡性”地转移。无论是非传递性转移的地理阈值，还是过渡性转移的地理阈值，都使地理系统中不可能具备唯一的、通用的或稳定的解。所谓“解”都是有条件的，都是在地理阈值约束下的解。
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