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difference beam中文什么意思

發(fā)音:   用"difference beam"造句
  • 差波束
  • detector of dual-beam difference:    雙束差分檢測器
  • null depth of difference beam:    波差瓣零值深度
  • separated angle of difference beam:    差波瓣分離角
  • level difference in beam top surface:    梁頂面水平偏差
  • difference:    n. 1.差異,差別。 2.不和,爭論。 3.【數(shù)學(xué)】差,差額。 4.【邏輯學(xué)】特殊性。 There is no difference between them. 兩者毫無差別。 the difference of jetsam from flotsam 棄貨不同于浮貨。 What difference can it make 不是一樣嗎? He is an artist with a difference. 他是別具風(fēng)格的藝術(shù)家。 distinction without difference 無聊的區(qū)別。 make a difference 發(fā)生差別;使…有差別;(結(jié)果等)是重要的,有關(guān)系[影響] (One false step will make a great difference. 失之毫厘,謬以千里。 Don't let it make any difference. 沒關(guān)系。 make a difference between A and B 使甲乙有別,對甲乙不一樣)。 pay [meet] the difference 付差額金。 seek common ground while reserving differences 求同存異。 settle differences 調(diào)停。 split the difference 1. 折中,妥協(xié)。 2. 均分剩下的東西。 vt. 〔罕用語〕區(qū)別,使有差別。
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例句與用法

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  1. they are the property of sum and difference beams, the errors of the elements and channels and different pulse repeating frequency ( prf )
    這些因素包括和、差波束的特性、陣元和通道的誤差、不同的脈沖重復(fù)頻率(prf)。
  2. their interest in ? a-stap stemmed from the fact that antenna engineers have excelled in the design of high performance sum and difference beam whether for phased array or for reflector antenna
    人們對這種特殊的空時二維處理感興趣的原因是無論相控陣天線系統(tǒng)還是反射面天線系統(tǒng),天線工程師都可以設(shè)計出性能很好的和、差波束。
  3. aiming at the problem of angle motion estimation in monopulse three-dimension imaging, a novel angle motion parameters estimation method based on the inverse synthetic aperture radar imaging for difference beam is presented
    摘要針對單脈沖三維成像時的目標(biāo)角運動估計問題,提出一種基于差波束逆合成孔徑雷達(dá)成像的新的角運動參數(shù)估計方法。
  4. the effective index method is applied to simplify an awg structure from 3d to 2d . two simulation methods are presented in detail based on the gaussian beam propagation formula and the finite difference beam propagation method
    文中采用等效折射率方法把三維結(jié)構(gòu)簡化為二維結(jié)構(gòu),然后分別基于高斯光束的傳播和有限差分光束傳播方法(fd-bpm),給出了兩種對整個awg進(jìn)行全局模擬的具體方法。
  5. using the relation between spectrum width and entropy and the different contributions devoted by each angle motion parameter to the echo spectrum width of the difference beam, the global optimal estimation is obtained through searching the angle motion parameters of zero and higher order via max-entropy and min-entropy respectively
    該方法利用了各階運動參數(shù)對差波束回波譜寬度的不同貢獻(xiàn)以及熵與譜寬度的關(guān)系,通過最大熵和最小熵分別對0階和1階以上角運動參數(shù)進(jìn)行搜索,得到全局最優(yōu)估計。

相關(guān)詞匯

        detector of dual-beam difference:    雙束差分檢測器
        null depth of difference beam:    波差瓣零值深度
        separated angle of difference beam:    差波瓣分離角
        level difference in beam top surface:    梁頂面水平偏差
        difference:    n. 1.差異,差別。 2.不和,爭論。 3.【數(shù)學(xué)】差,差額。 4.【邏輯學(xué)】特殊性。 There is no difference between them. 兩者毫無差別。 the difference of jetsam from flotsam 棄貨不同于浮貨。 What difference can it make 不是一樣嗎? He is an artist with a difference. 他是別具風(fēng)格的藝術(shù)家。 distinction without difference 無聊的區(qū)別。 make a difference 發(fā)生差別;使…有差別;(結(jié)果等)是重要的,有關(guān)系[影響] (One false step will make a great difference. 失之毫厘,謬以千里。 Don't let it make any difference. 沒關(guān)系。 make a difference between A and B 使甲乙有別,對甲乙不一樣)。 pay [meet] the difference 付差額金。 seek common ground while reserving differences 求同存異。 settle differences 調(diào)停。 split the difference 1. 折中,妥協(xié)。 2. 均分剩下的東西。 vt. 〔罕用語〕區(qū)別,使有差別。
        difference in:    在……方面的差別
        no difference:    忘絕境界
        the difference:    差別; 老師改變了男孩的人生; 區(qū)別
        there is no difference:    沒有差別
        difference-in-difference:    倍差法
        beam:    n. 1.梁,棟梁,桁條;(船的)橫梁。 2.船幅;(動物、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.【無線電】有效播聽范圍。 7.【航空】信號電波,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)射時調(diào)整導(dǎo)彈位置的)千斤頂。 radio beam 無線電領(lǐng)航信號。 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〔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?!空龣M前。 broad in the beam 〔口語〕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;過輕,不足抗衡,無足輕重。 2. 輸,遭受失敗。 off the beam 脫離航向,不順利;不對頭;做錯。 on the beam 1. 【航?!颗c龍骨垂直地,正橫地。 2. 在航向上;對頭,做對。 on the port [larboard] beam 【航?!孔笙险龣M前。 on the starboard beam 【航?!坑蚁险龣M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。 4.(用波束)導(dǎo)航(飛機(jī)等)。 beam the program at America 向美國播送節(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。
        beam on:    船側(cè)靠; 微笑
        on the beam:    必須用泵抽油的; 航向正確; 沿著無線電波束; 正橫地
        t beam:    t 型梁; t 形鋼; t型梁; t形梁; t字梁; 丁字梁; 形材(t形鋼); 字形梁
        t-beam:    t形梁; 丁安梁; 丁字梁; 形材(包括t形鋼; 字梁形材
        t-beam t:    型梁
        the beam:    雄雞馱木梁
        difference limen difference test:    強(qiáng)度辯差閾差異試驗
        a proposal with a difference:    別具一格的求婚
        a qualitative difference:    質(zhì)量上的差別
        a quantitative difference:    數(shù)量上的差別
        a slight difference:    微小的區(qū)別
        a-v difference:    動靜脈血氧差
        ab difference:    上下牙槽基底的差
        absolute difference:    絕對差分; 絕對差絕對差

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