beam n. 1.梁,棟梁,桁條;(船的)橫梁。 2.船幅;(動(dòng)物、人的)體幅。 3.(秤)桿,杠桿,(織機(jī)的)卷軸,經(jīng)軸;(鹿角的)主干;車轅;犁柄;鋤把。 4.(光線的)束,道,柱;【物理學(xué)】波束,射束。 5.(笑容、表情等的)煥現(xiàn)。 6.【無(wú)線電】有效播聽范圍。 7.【航空】信號(hào)電波,指向電波。 a beam of light 一束光線。 the common beam 標(biāo)準(zhǔn)秤;準(zhǔn)則。 beam and scales 天平。 a beam of delight 高興的表情,笑逐顏開。 an erector beam 【火箭】(發(fā)射時(shí)調(diào)整導(dǎo)彈位置的)千斤頂。 radio beam 無(wú)線電領(lǐng)航信號(hào)。 a landing beam 【航空】降落指示波。 abaft the beam = before the beam. a beam in one's eye 自己本身的大缺點(diǎn)〔與他人目中之刺相比,自己眼中有梁,源出《圣經(jīng)》馬太福音〕。 before the beam 【航海】正橫前。 broad in the beam 〔口語(yǔ)〕臀部闊大。 fly the beam 【航空】按指向電波飛行。 fly the wet beam 【航空】順著河流飛行。 kick [strike] the beam 1. (秤一方)翹起;過(guò)輕,不足抗衡,無(wú)足輕重。 2. 輸,遭受失敗。 off the beam 脫離航向,不順利;不對(duì)頭;做錯(cuò)。 on the beam 1. 【航?!颗c龍骨垂直地,正橫地。 2. 在航向上;對(duì)頭,做對(duì)。 on the port [larboard] beam 【航海】左舷正橫前。 on the starboard beam 【航海】右舷正橫前。 on the weather beam 【航?!坑龣M風(fēng)。 ride the beam = fly the beam. vi. 1.輻射,發(fā)光,閃光。 2.微笑,眉開眼笑。 vt. 1.發(fā)射(光線、電波)。 2.向…放[播]送。 3.(用雷達(dá))探測(cè)。 4.(用波束)導(dǎo)航(飛機(jī)等)。 beam the program at America 向美國(guó)播送節(jié)目。 the sun beaming overhead 紅日當(dāng)頭照。 beam upon 看著…微笑。 beam with joy 眉飛色舞,笑逐顏開。
We could put a repeating device in such a position that it strengthened the signal from one half of the split beam and not from the other . 我們?cè)谝欢ǖ牡攸c(diǎn)設(shè)置一種重復(fù)發(fā)射器,加強(qiáng)分裂射束的一半信號(hào),而不加強(qiáng)另一半信號(hào)。
Reliability analysis of the plugging process of split beam pressure contact finish used for automotive electronic connector 汽車電子用裂隙梁型壓力連接器插接過(guò)程的可靠性分析
In order to realize low half - wave voltage , high polarzation extinction ratio , low pigtailing polarization crosstalk , low insert loss , precise tapped power ( ratio ) and good splitting beam ratio , the optimum design was performed 為了實(shí)現(xiàn)低的半波電壓、高的偏振消光比、低尾纖串音、低插入損耗、精確的抽頭功率比和良好的分束比,我們對(duì)器件結(jié)構(gòu)進(jìn)行了優(yōu)化設(shè)計(jì)。
In this system , we employed a newly developed holographic filed concave grating as splitting beams element , as well as multi - channel photodetector - ccd ( charge coupled devices ) as spectrum detection . these all solidified the foundation of measurement ; microcomputer control make the system automatic 采用新型的全息平場(chǎng)凹面光柵作為分光元件,并引入多通道光電探測(cè)器件ccd進(jìn)行光譜信號(hào)探測(cè),為光譜反射率的測(cè)量準(zhǔn)備了物質(zhì)條件;采用微型計(jì)算機(jī)控制,達(dá)到自動(dòng)化測(cè)量。
In the aspect of detection and high precision estimation of seafloor backscattering , algorithms of fast convergence of energy center and correlation of eigen - replica were developed . also studded were processing methods of weighted mean time ( wmt ) and bearing direction indicator ( bdi ) based on fft beam forming as well as high precision detection and estimation of time of arrival ( toa ) and direction of arrival ( doa ) using split beams phase difference detection technique 圍繞海底反向散射信號(hào)的高精度檢測(cè)和估計(jì)技術(shù),開發(fā)了快速能量中心收斂算法和特征模型相關(guān)算法,研究了基于fft波束形成的加權(quán)時(shí)間平均與方位指示處理方法,并討論了利用分離波束相位差檢測(cè)技術(shù)的海底反向散射信號(hào)到達(dá)時(shí)間( toa )和到達(dá)方向( doa )的高精度檢測(cè)與估計(jì)方法。