您要查找的是不是：
- It overcame the shortcoming of the hard threshold with discontinuous function and solved the problem of the permanent bias in soft threshold function. 该阈值函数不仅克服了硬阈值函数不连续的缺点，并且解决了软阈值函数存在的恒定偏差。
- The post-processing can be carried out by adaptive Wiener filtering followed subband hard threshold in contourlet domain. 并在轮廓波域进行子带硬阈值处理之后，使用自适应维纳滤波进行后处理。
- The one dimension wavelet transform was introduced and the method of the hard threshold and the soft threshold that is used in wavelet de noising. Four kinds of rules of assessing threshold are given. 介绍了一维小波变换和用于小波去噪的硬门限和软门限处理方法 ;给出了4种门限估算准则 .
- The paper makes a comparison study among the traditional soft threshold，hard threshold and several kinds of spacial denoising methods by the performance evaluation criteria of PSNR and smooth index. 并以峰值信噪比和平滑指数等作为评价指标，与传统的软阈值、硬阈值以及几种空域滤波方法进行了比较。
- To eliminate the noise included in electromyography(EMG),a de-noising method by multi-scale product coefficient hard thresholding was presented. 为了消除肌电信号中的噪声,提出了一种基于相邻尺度积系数的硬阈值滤波方法。
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- The result of experiment proves a better achievable PSNR than de noising methods by hard thresholding and soft thresholding algorithms and the learning performance are superior to the conventional methods. 实验表明 :此算法比用传统的硬阈值和软阈值方法图像“去噪”有更好的峰值信噪比且具有比传统算法更好的学习特性 .
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- He owes his opulence to work hard. 他的财富乃辛勤工作得来。
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
- Hard training will fit them to run long distances. 严格的训练将使他们能跑长距离。
- Seth really took it hard when his old dog died. 塞思的那条老狗死的时候，他确实怏怏不乐。
