...加权频率；自适应阈值 [gap=606]Key words：DCT coefficient;text location;com-pressed-domain processing;weighted frequency;adaptive hreshold ...
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average weighted frequency 平均加权频率
weighted frequency modulated jamming 加权调频干扰
frequency-weighted acceleration level 频率计权加速度级
frequency-weighted acceleration to vibration 频率计权振动加速度
Weighted Term Frequency Model 加权词频的相似度评价模型
weighted-average frequency 加权平均频率
weighted average frequency 加权平均频率
frequency-weighted 频率加权
We can use term frequency to have a weighted calculation and improve traditional text similarity calculation probability model in SVM algorithm.
通过利用基于词频的权值计算，同时改进传统文本相似度计算概率模型，改进SVM算法实现邮件过滤系统。
The effect of sample frequency offset on MIMO-OFDM signals is exploited. An amplitude weighted least squares estimation of sample frequency offset in MIMO-OFDM systems is presented.
本文分析了采样钟频率偏移对MIMO-OFDM系统接收信号的影响，提出了一种适用于MIMO-OFDM 系统的采样钟频率偏移估计算法，即幅度加权最小平方估计法。
"Sweetness is the frequency weighted amplitude seismic attribute. This has been very useful in delineating thin beds and other geomorphologies in seismic".
理解起来甜点属性源于与频率有关的振幅变化属性，可用于识别薄层和其他地质体外形特征。
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