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TranslationMobile

"improve" in Chinese : vt. 1.改良，改善，增進(jìn)。 2.利用，活用。 3.增 ...
"estimate" in Chinese : vt. 1.估計(jì)，估算；估價(jià)；估量。 2.評(píng)價(jià)，評(píng)斷。 ...
"improved" in Chinese : 改進(jìn)的; 改良的; 經(jīng)過整治的
"by estimate" in Chinese : 據(jù)估計(jì)
"estimate" in Chinese : vt. 1.估計(jì)，估算；估價(jià)；估量。 2.評(píng)價(jià)，評(píng)斷。 3.〔古語〕尊重。 ...
"estimate at" in Chinese : 估計(jì)為; 估計(jì)有
"estimate for" in Chinese : 估計(jì)...的費(fèi)用
"aerodynamically improved" in Chinese : 空氣動(dòng)力改進(jìn)的
"aerodynamically-improved" in Chinese : 空氣動(dòng)力改進(jìn)的
"be gradually improved" in Chinese : 日趨完善
"be increasingly improved" in Chinese : 日趨完善
"evasion and improved" in Chinese : evasion閃避與精通反射閃避
"hybolin improved" in Chinese : 苯丙酸諾龍油劑
"improved airfield" in Chinese : 有良好道面的機(jī)場(chǎng)
"improved alacrity" in Chinese : 高等捷速

Based on those , this paper gives two kinds of improved estimates 5 * and b ( k )
基于此，本文給出了b的兩種改進(jìn)估計(jì)(
The used value of doppler centroid influence the imaging result very much , so it must be estimated precisely . the estimating methods contain time domain method and frequency domain method . time - frequency analysis method can be used to improve estimating precision
多普勒中心頻率的取值對(duì)成像效果有很大影響，必須精確估計(jì)，估計(jì)方法有時(shí)域方法及頻域方法，還可利用時(shí)頻分析方法提高估計(jì)精度是。
In addition to the statistical advantage gained by combining same - source data ( e . g . , obtaining an improved estimate of a physical phenomena via redundant observations ) , the use of multiple types of sensors may increase the accuracy with which a quantity can be observed and characterized
除了同源數(shù)據(jù)的簡(jiǎn)單組合（如：通過冗余的觀測(cè)數(shù)據(jù)可以獲得物理現(xiàn)象的更精確的估計(jì)）外，應(yīng)用不同種類的多傳感器也可以提高某些可觀測(cè)量和可描述量的估計(jì)精度