查询词典 threshold frequency

An improved image enhancement algorithm by contour threshold nonlinear extrapolation in frequency space was proposed.

对非线性外推图像增强算法进行分析，充分考虑图像高频分量的局部特征，提出一种新的非线性滤波剪切策略包络阈值剪切算法。

The clock frequency and reset threshold voltage are factory trimmed to spe- cific values.

时钟频率和复位阈值电压是工厂微调，固相萃取- cific值。

To transmit sound by AC earphone and vibrator, to write the minimal hearing threshold in each frequency.

通过气导耳机和骨导振子传声，由此可判断出人耳在各个频率上所能听见的最轻的声音。

The frequency threshold is dependent on the permittivities of two antiferromagnets.

研究发现：稳定传播的表面波具有一个频率阈值、一个功率阈值和两个跃迁功率。

Patients received rTMS therapy and 15 patients were given sham stimulation. Stimuli were delivered at an intensity of 110% of resting threshold and a frequency of 1Hz once a day for 10 days.

治疗组给予频率1Hz、刺激强度为110%静息阈值的rTMS，每日1次，治疗10d，并在治疗后l个月和3个月时随访。

Thus an effective reduction algorithm for document vectors are indispensable, while those traditional algorithms based on frequency and threshold filtering may often lead to the loss of many effective information.

而传统的基于频率的阈值过滤法往往会导致有效信息的丢失，也影响了分类的准确度。

So this paper puts forward the method of enriching words to dictionary gradually. It registers the strings of being segmented mistakenly by statistics method. If the word frequency exceeds the threshold, it can be taken for a new word and it will be put into the dictionary.

由此该文提出了渐进式丰富词典的分词方法，把那些不能正确分出来的字符串，利用统计词频的方法记录下来，如果词频达到一定阈值，就可以把它认为是新词，可以把它加入到词典中，使得词典动态的增加。

Comparison has been done about the sample selecting of the partial duration series method and the annual maximum series method by using the statistical simulations. The effect of different threshold values on the frequency analysis results has been studied.

本文运用统计试验方法对部分历时序列法与年最大值统计法两种不同取样方法的比较、不同阈值对频率分析结果的影响等方面进行了研究。

Objective To explore the applicabilty of threshold of PRVEP P100 spatial frequency to evaluation of visual acuity in different eye lesions resulted from trauma.

目的研究图形翻转视觉诱发电位P100波空间频率阈值在不同眼损伤情况下预估视力的价值，以期指导相关法医临床学鉴定。

Nonuniform sampling can acquire signal of which the frequency exceeds the threshold in Nyquist theorem when the sample rate of analogue-to-digital device is lower than usual.

非均匀采样可以在对模数转化器件的采样频率要求较低的情况下，提取超出Nyquist采样定理限制的频率。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。