After comparing the time domain approach of estimating azimuth and slowness in the f-k method with the frequency domain, it is shown that the time domain approach actually is not less accurate or efficient than the improved frequency domain approach, and in the case of signal-to-noise ratio is very low, the results obtained from the time domain approach are more reliable.

進(jìn)一步對(duì)在時(shí)域中直接估算信號(hào)方位角和慢度的一種算法進(jìn)行了分析1314午夜精品理论片，比較發(fā)現(xiàn)時(shí)域方法的計(jì)算速度和精度都不低于頻域方法综合欧美在线，且在某些低信噪比的情況下，前者可以給出更可靠的結(jié)果国产真实激情在线观看电影视频。

Clinicalmanifestations include low mood, thought slowness, reduction inactions and words, loss interest in life, self-reproach and self-guilty,or even suicide.

臨床表現(xiàn)為情緒低落久久精品福利第一区、思維遲鈍、言語(yǔ)動(dòng)作減少国产综合久久精品综合AV无码，對(duì)工作生活失去興趣在线观看春药毛片，有自責(zé)、自罪感91亚色视，甚至病人常常有自殺或自殘行為黄色免费在线国产。

Using pattern recognition, we can obtain the slowness, amplitude andprimary frequency of compressional, shear and Stonely waves respectively, andthen calculate the available geological parameters.

我們根據(jù)各波型到達(dá)時(shí)間、相位欧美综合亚洲日韩精品区换脸、振幅和頻率四方面的差異進(jìn)行模式識(shí)別国产在线观看黄AV免费麻豆，在離散化輸入條件下從長(zhǎng)源距全波波形圖上分離提取了縱波。橫波和斯通利波的時(shí)差、振幅和主頻无码国产在线呦呦，進(jìn)而計(jì)算出各有關(guān)地質(zhì)參數(shù)国产巨乳美女中文字幕毛片在线。

For humans in primitive times, slowness in distinguishing whether the person in front of them is a member of their own tribe or a member of an enemy tribe was a life-or-death issue.

在人類的初級(jí)階段，如果不能迅速視識(shí)別面前的人是屬于自己部落的還是敵對(duì)部落的www.人人操人人操麻豆，那將是致命的国产一级午夜福利。

Here, apparently, was the Palaeontological Section, and a very splendid array of fossils it must have been, though the inevitable process of decay that had been staved off for a time, and had, through the extinction of bacteria and fungi, lost ninety-nine hundredths of its force, was nevertheless, with extreme sureness if with extreme slowness at work again upon all its treasures.

這里顯然是古生物部，這些東西一定是非常精彩的化石黄色入口。