余弦

[yú xián]

Chinese-English

Web Definition

na.
1.
【数】cosine

Sample Sentence

Definition:
AllAll,cosine functioncosine function,DCTDCT,cosinusoidalcosinusoidal
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
The nine elements of the matrix are products of cosines of angles between the direction of a streamline at a point and the coordinate axis.
这矩阵的9个元素系一点的流线方向和座标轴之间夹角余弦的乘积。
zhè jǔ zhèn de jiǔ gè yuán sù xì yì diǎn de liú xiàn fāng xiàng hé zuò biāo zhóu zhī jiān jiā jiǎo yú xián de chéng jī 。
2.
In Madison, Department of Justice spokesman Bill Cosh said the state capitol building was evacuated shortly after 5 pm as a precaution.
在麦迪逊，司法部发言人Bill双曲余弦说，该州的国会大厦被疏散后不久，下午5时，以防万一。
zài mài dí xùn , sī fǎ bù fā yán rén Bill shuāng qū yú xián shuō , gāi zhōu de guó huì dà shà bèi shū sàn hòu bù jiǔ , xià wǔ wǔ shí , yǐ fáng wàn yī 。
bbs.tiexue.net
3.
The inverse function of that restricted cosine function is called the arccosine function.
被限定的余弦函数之反函数叫做反余弦函数。
bèi xiàn dìng de yú xián hán shù zhī fǎn hán shù jiào zuò fǎn yú xián hán shù 。
www.juyy.net
4.
We note that the technique is applicable to any image compression method which employs discrete cosine transforms and quantization.
我们注意到，该技术适用于任何的图像压缩方法，采用离散余弦变换和量化。
wǒ men zhù yì dào , gāi jì shù shì yòng yú rèn hé de tú xiàng yā suō fāng fǎ , cǎi yòng lí sàn yú xián biàn huàn hé liàng huà 。
www.syyxw.com
5.
the probability amplitude of it's ground state and excited state is the cosine's summation form and the sine's summation form respectively.
其基态和激发态的概率幅分别具有余弦求和与正弦求和的形式。
qí jī tài hé jī fā tài de gài lǜ fú fēn bié jù yǒu yú xián qiú hé yǔ zhèng xián qiú hé de xíng shì 。
www.juyy.net
6.
the cosine approximation arithmetic generates too large error to be used in numerical simulation despite of saving more time.
余弦近似法虽更省时但误差较大，数值模拟中不宜采用。
yú xián jìn sì fǎ suī gèng shěng shí dàn wù chā jiào dà , shù zhí mó nǐ zhōng bù yí cǎi yòng 。
www.aest.org.cn
7.
Then, Discrete Cosine transform was used to analyze the shape and leg angle characteristic and represent the gait features.
然后，采用离散余弦变换分析了步态外形特征和角度特征。
rán hòu , cǎi yòng lí sàn yú xián biàn huàn fēn xī le bù tài wài xíng tè zhēng hé jiǎo dù tè zhēng 。
www.ceps.com.tw
8.
The watermark algorithm is carried out in Discrete Cosine Transform(DCT) domain, and extracting process is instantaneous and blind.
水印算法在离散余弦变换域进行，水印提取过程无需原始图像，具有良好的实时性。
shuǐ yìn suàn fǎ zài lí sàn yú xián biàn huàn yù jìn xíng , shuǐ yìn tí qǔ guò chéng wú xū yuán shǐ tú xiàng , jù yǒu liáng hǎo de shí shí xìng 。
kns50.chkd.cnki.net
9.
After examining the basic case of cosinusoidal grating superpositions, step by step, through the cases of square grids and dot screens.
从最简单的情况入手，逐步地讨论余弦曲线栅格的重叠，方形栅格以及网点网屏的重叠。
cóng zuì jiǎn dān de qíng kuàng rù shǒu , zhú bù de tǎo lùn yú xián qū xiàn shān gé de chóng dié , fāng xíng shān gé yǐ jí wǎng diǎn wǎng píng de chóng dié 。
www.fabiao.net
10.
Numerical solutions of the equations with the internal generation of sinusoidal and cnoidal waves confirm this finding.
域内生成正弦波和椭圆余弦波的数值试验结果证实了该结论。
yù nèi shēng chéng zhèng xián bō hé tuǒ yuán yú xián bō de shù zhí shì yàn jié guǒ zhèng shí le gāi jié lùn 。
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