threshhold function的用法和样例：
例句
- The experiment results show that the denoised image which used the new threshold function has the higher PSNR and better visual quality.
实验结果表明，利用新阈值函数去噪后的图像峰值信噪比明显提高，视觉效果也有较大程度的改善。 - The improved function is applied to noise reduction of wire rope fault signals, and its effect is compared with that of the traditional multiwave threshold function.
将其应用于钢丝绳缺陷信号的降噪中，与传统多小波阈值函数的降噪进行了比较。
