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approximation coefficient in Chinese

Pronunciation:
How to pronounce "approximation coefficient""approximation coefficient" in a sentence

Translationmobile phoneMobile

  • 近似系數(shù)

Examples

  • And the fused image can be obtained by using the inverse wavelet transform for combined wavelet coefficients and approximation coefficients
    然后以融合后的小波系數(shù)與逼近系數(shù)進(jìn)行小波反變換得到融合圖像。
  • In semi - fragile image watermarking algorithm , a robust watermark and a fragile watermark are extracted from the third approximation coefficient of wavelet transform of the original image . the two watermarks are embedded into the third vertical and horizontal detail coefficients . when authenticating image , image can be authenticated correctly and attacked parts can be localized through comparing the original watermarks and extracted watermarks
    其中,完全認(rèn)證方法,利用qr分解的特性把圖像的邊緣信息嵌入到載體圖像中,算法對各種攻擊都具有很好的敏感性;內(nèi)容認(rèn)證方法,從載體圖像中提取出一個(gè)脆弱水印和一個(gè)魯棒水印,并把它們重新嵌入到載體圖像中,認(rèn)證時(shí),通過兩個(gè)水印在圖像傳輸前后的變化情況來對圖像的保留價(jià)值進(jìn)行評估,并準(zhǔn)確定位受攻擊部位。
  • Based on signal from carbon fiber composite defects such as lamination , hole , looseners in ultrasonic testing , this paper performs wavelet packet transform on the ultrasonic signals to extract statistics of approximation coefficients and detail coefficients that contain a great part of signal energy as sample - features
    摘要本文以碳纖維復(fù)合材料常見缺陷分層、孔隙、疏松的超聲波檢測缺陷信號為研究對象,對超聲波檢測信號進(jìn)行小波包變換,提取包含信號絕大部分能量的近似系數(shù)波形特征及細(xì)節(jié)系數(shù)的統(tǒng)計(jì)量作為樣本的特征值。
  • This paper studied zero - velocity correct technology for ins , based on analysis of ins error equation , it concluded the method by which we can use ins velocity output to estimate the attitude angle error when the vehicle halted , then it contrasted two schemes of conic approximation of attitude angle error and put forward a method to decide the approximation coefficient by time range
    本文首先研究了車載捷聯(lián)慣導(dǎo)系統(tǒng)( ins )的零速修正技術(shù),在分析捷聯(lián)慣導(dǎo)系統(tǒng)誤差方程特點(diǎn)的基礎(chǔ)上,推導(dǎo)了停車時(shí)利用ins速度輸出估計(jì)姿態(tài)誤差角的方法,并對用二次曲線擬合姿態(tài)誤差角的兩種方案作了比較,提出了按時(shí)間分段確定擬合系數(shù)的方法。
  • Image fusion based on wavelet transform is presented . by decomposing the images and mask signals with wavelet transform , wavelet coefficients and approximation coefficients at different scales are obtained . with the corresponding coefficients of normalized - mask signals as weighting functions , coefficients are combined in different resolution levels to reduce the effect of the seam
    在基于小波變換的圖像融合中,將待融合圖像與mask信號采用小波分解,得到不同尺度下的小波系數(shù)與逼近系數(shù),以歸一化mask信號的分解系數(shù)作為加權(quán)函數(shù),在小波域的不同尺度融合對應(yīng)系數(shù),消除拼接縫的影響。

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