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difference beam中文什么意思

发音:   用"difference beam"造句
  • 差波束
  • detector of dual-beam difference:    双束差分检测器
  • null depth of difference beam:    波差瓣零值深度
  • separated angle of difference beam:    差波瓣分离角
  • level difference in beam top surface:    梁顶面水平偏差
  • difference:    n. 1.差异，差别。 2.不和，争论。 3.【数学】差，差额。 4.【逻辑学】特殊性。 There is no difference between them. 两者毫无差别。 the difference of jetsam from flotsam 弃货不同于浮货。 What difference can it make 不是一样吗？ He is an artist with a difference. 他是别具风格的艺术家。 distinction without difference 无聊的区别。 make a difference 发生差别；使…有差别；(结果等)是重要的，有关系[影响] (One false step will make a great difference. 失之毫厘，谬以千里。 Don't let it make any difference. 没关系。 make a difference between A and B 使甲乙有别，对甲乙不一样)。 pay [meet] the difference 付差额金。 seek common ground while reserving differences 求同存异。 settle differences 调停。 split the difference 1. 折中，妥协。 2. 均分剩下的东西。 vt. 〔罕用语〕区别，使有差别。
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例句与用法

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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 )
    这些因素包括和、差波束的特性、阵元和通道的误差、不同的脉冲重复频率(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
    人们对这种特殊的空时二维处理感兴趣的原因是无论相控阵天线系统还是反射面天线系统，天线工程师都可以设计出性能很好的和、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
    摘要针对单脉冲三维成像时的目标角运动估计问题，提出一种基于差波束逆合成孔径雷达成像的新的角运动参数估计方法。
  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维结构简化为二维结构，然后分别基于高斯光束的传播和有限差分光束传播方法(fd-bpm)，给出了两种对整个awg进行全局模拟的具体方法。
  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
    该方法利用了各阶运动参数对差波束回波谱宽度的不同贡献以及熵与谱宽度的关系，通过最大熵和最小熵分别对0阶和1阶以上角运动参数进行搜索，得到全局最优估计。

相关词汇

        detector of dual-beam difference:    双束差分检测器
        null depth of difference beam:    波差瓣零值深度
        separated angle of difference beam:    差波瓣分离角
        level difference in beam top surface:    梁顶面水平偏差
        difference:    n. 1.差异，差别。 2.不和，争论。 3.【数学】差，差额。 4.【逻辑学】特殊性。 There is no difference between them. 两者毫无差别。 the difference of jetsam from flotsam 弃货不同于浮货。 What difference can it make 不是一样吗？ He is an artist with a difference. 他是别具风格的艺术家。 distinction without difference 无聊的区别。 make a difference 发生差别；使…有差别；(结果等)是重要的，有关系[影响] (One false step will make a great difference. 失之毫厘，谬以千里。 Don't let it make any difference. 没关系。 make a difference between A and B 使甲乙有别，对甲乙不一样)。 pay [meet] the difference 付差额金。 seek common ground while reserving differences 求同存异。 settle differences 调停。 split the difference 1. 折中，妥协。 2. 均分剩下的东西。 vt. 〔罕用语〕区别，使有差别。
        difference in:    在……方面的差别
        no difference:    忘绝境界
        the difference:    差别; 老师改变了男孩的人生; 区别
        there is no difference:    没有差别
        difference-in-difference:    倍差法
        beam:    n. 1.梁，栋梁，桁条；(船的)横梁。 2.船幅；(动物、人的)体幅。 3.(秤)杆，杠杆，(织机的)卷轴，经轴；(鹿角的)主干；车辕；犁柄；锄把。 4.(光线的)束，道，柱；【物理学】波束，射束。 5.(笑容、表情等的)焕现。 6.【无线电】有效播听范围。 7.【航空】信号电波，指向电波。 a beam of light 一束光线。 the common beam 标准秤；准则。 beam and scales 天平。 a beam of delight 高兴的表情，笑逐颜开。 an erector beam 【火箭】(发射时调整导弹位置的)千斤顶。 radio beam 无线电领航信号。 a landing beam 【航空】降落指示波。 abaft the beam ＝ before the beam. a beam in one's eye 自己本身的大缺点〔与他人目中之刺相比，自己眼中有梁，源出《圣经》马太福音〕。 before the beam 【航海】正横前。 broad in the beam 〔口语〕臀部阔大。 fly the beam 【航空】按指向电波飞行。 fly the wet beam 【航空】顺着河流飞行。 kick [strike] the beam 1. (秤一方)翘起；过轻，不足抗衡，无足轻重。 2. 输，遭受失败。 off the beam 脱离航向，不顺利；不对头；做错。 on the beam 1. 【航海】与龙骨垂直地，正横地。 2. 在航向上；对头，做对。 on the port [larboard] beam 【航海】左舷正横前。 on the starboard beam 【航海】右舷正横前。 on the weather beam 【航海】迎着正横风。 ride the beam ＝ fly the beam. vi. 1.辐射，发光，闪光。 2.微笑，眉开眼笑。 vt. 1.发射(光线、电波)。 2.向…放[播]送。 3.(用雷达)探测。 4.(用波束)导航(飞机等)。 beam the program at America 向美国播送节目。 the sun beaming overhead 红日当头照。 beam upon 看着…微笑。 beam with joy 眉飞色舞，笑逐颜开。
        beam on:    船侧靠; 微笑
        on the beam:    必须用泵抽油的; 航向正确; 沿着无线电波束; 正横地
        t beam:    t 型梁; t 形钢; t型梁; t形梁; t字梁; 丁字梁; 形材(t形钢); 字形梁
        t-beam:    t形梁; 丁安梁; 丁字梁; 形材(包括t形钢; 字梁形材
        t-beam t:    型梁
        the beam:    雄鸡驮木梁
        difference limen difference test:    强度辩差阈差异试验
        a proposal with a difference:    别具一格的求婚
        a qualitative difference:    质量上的差别
        a quantitative difference:    数量上的差别
        a slight difference:    微小的区别
        a-v difference:    动静脉血氧差
        ab difference:    上下牙槽基底的差
        absolute difference:    绝对差分; 绝对差绝对差

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