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scattering angle相关的网络例句

查询词典 scattering angle

与 scattering angle 相关的网络例句 [注:此内容来源于网络,仅供参考]

A rotor structure for a rotating wing aircraft having substantially rigid rotor head means and rotor blades or wing means arranged in at least one pair, comprising blade angle bearing means (10, 12, 14, 16) for each rotor blade means, tension bar means (6,8) operatively interconnecting the rotor blade means of a pair which blade means are arranged diametrically opposite each other, said tension bar means having a high bending resistance, whereby transmission of bending moments from the rotor blades to the rotor head means is substantially prevented, each of said blade angle bearing means comprising a structure angularly movable in the wing flap direction and in the wing lead-lag direction, at least one of said blade angle bearing means of a pair comprising means permitting an axial motion of the respective tension bar means supported in said blade angle bearing means, and wherein said blade angle bearing means (10, 12, 14, 16) operatively support said tension bar means (6, 8) on said rotor head means (4) for pitch angle rotation of said tension bar means relative to said rotor head means (4), said rotor structure further comprising means (24) securing said rotor blade means (18) to said tension bar means (6, 8) in a manner rigid against rotation of the blade means about the longitudinal blade axis whereby the securing means prevent flapping, drag and lagging movements of the tension bar means, said tension bar means being constructed as torsion bars which are elastic relative to torsion about said longitudinal blade axis.

1转子结构为旋转翼飞机,有大幅刚性转子头部的手段和转子叶片或机翼的手段安排中至少有一对,组成的叶片角度轴承手段( 10 , 12 , 14 , 16 )为每个转子叶片的手段,拉杆手段( 6,8 )手术互连转子叶片的手段,其中一对刀片的手段都是安排截然相反的对方说,拉杆手段,有一个高弯曲阻力,即传输弯矩从转子叶片向转子头的意思是,大幅防患于未然,每个叶片角度说,轴承的手段组成的一个结构angularly动产在机翼上皮瓣的方向和在机翼导致滞后的方向,至少有一个叶片角度说,轴承是指一对组成的手段,允许轴向的议案,分别紧张酒吧手段,支持在叶片角度说,轴承的手段,其中,叶片角度说,轴承的手段( 10 , 12 , 14 , 16 )手术的支持表示拉杆的手段( 6 , 8 )就表示,转子头部的手段( 4 )为俯仰角轮换说拉杆手段相对说,转子头部的手段( 4 )表示,转子结构进一步组成的手段,( 24 )说,确保转子叶片的手段( 18 )表示,拉杆手段( 6 , 8 )在一个僵化的方式对旋转的叶片即是说,约纵向叶片轴,即确保手段防止扑,拖曳和落后变动的紧张局势,酒吧的手段,说拉杆手段,正在建造的,作为扭杆这是弹性相对扭转约说,纵向叶片轴。

Butt Weld and docking and corner combinations Weld, in Weld ends located arc plate and extraction plate in igniting board then leads to the welding seam, joint halfway shall weld joints in front of 2.0 mm Department Firing arc, welding pieces after preheating rod will return to weld the origin, pool filled to the required thickness, before forward welding; Welding speed : Isokinetic welding requirements to ensure weld thickness, width uniform, which masks to look for hot metal and slag bath equidistance (2-3 mm)%; Arc welding rod length : different models and determined that the general requirements of arc length is stable, acid electrode generally 3-4 mm, 2-3 mm normally alkaline electrode%; Welding perspective : According to determine the thickness of two pieces of welding, welding angle has two aspects : First, the angle between the direction of the rod and welding of 60-75 ; The second is the angle between two electrodes and welding around, the same thickness as welding, welding and welding pieces incident angle of 45 ; When the thickness ranging from welding, welding electrode and thick and thin pieces of welding electrode side angle greater than the angle between the side pieces; Arc : admission to the end of each weld should be filled crater, in the direction opposite to the direction of the back-arc welding, arc welding unchanged inside pit in 1974, to prevent the crater bite of meat.

对接焊缝及对接和角接组合焊缝,在焊缝两端设引弧板和引出板,必须在引弧板上引出后再焊到焊缝区,中途接头则应在焊缝接头前方15~20㎜处打火引弧,将焊件预热后再将焊条退回到焊缝起始处,把熔池填满到要求的厚度后,方可向前施焊;焊接速度:要求等速焊接,保证焊缝厚度、宽度均匀一致,从面罩内看熔池中铁水与熔渣保持等距离(2~3㎜)为宜;焊接电弧长度:根据焊条型号不同而确定,一般要求电弧长度稳定不变,酸性焊条一般为3~4㎜,碱性焊条一般为2~3㎜为宜;焊接角度:根据两焊件的厚度确定,焊接角度有两个方面,一是焊条与焊接前进方向的夹角为60~75 ;二是焊条与焊接左右夹角有两种情况,当焊件厚度相等时,焊件与焊件夹角为45 ;当焊件厚度不等时,焊条与较厚焊件一侧夹角应大于焊条与薄焊件一侧夹角;收弧:每条焊缝焊到末尾,应将弧坑填满后,往焊接方向相反的方向带弧,使弧坑甩在焊道貌岸然里边,以防弧坑咬肉。

Biomechanics of should joint at the empty out and transition moment: In the instant of leaving of the left foot, the angle between shoulder and hip was 27°, the angle of pull was 150°, the angle of axis between shoulder was -12°; In the instant of touchdown of the right foot, the angle between shoulder and hip was 72°, the angle of pull was 151°, the angle of axis between shoulder was -85°, the speed of left shoulder was 2.43 m/s, the speed of right shoulder was

腾空和过渡阶段肩关节的生物力学指标:左脚离地瞬间肩髋角度为27 ,拉引角度为150 ,肩轴角度为-12 ;右脚着地瞬间肩髋角度为72 ,拉引角度为151 ,肩轴角度为-85 ,左肩速度为2.43m/s、右肩速度为1.37m/s;左脚着地瞬间肩髋角度为58 ,拉引角度为136 ,肩轴角度为19 ,左肩速度为3.49m/s,右肩速度为1.89m/s。

Methods: 48 patients with Angle's Class II,division 2 malocclusion, 60 patients with Angle's Class II,division 1 malocclusion, as well as 15 patients with high-angle and 15 patients with low-angle facial skeletal type in Angle's Class II,division 1 malocclusion were separately compared with 50 patients with Angle's Class I who had normal profile by cephalometrics .

分别选取48例安氏II类2分类错患者、60例安氏II类1分类错患者以及各15例典型安氏II类1分类高低角骨面型患者为研究组,以选取的50例安氏I类正常面型患者为对照组。采用反映面骨关系的一般性测量项目与作者针对唇齿关系设计的测量项目进行比较分析。

Scattering characteristics are studied of inhomogeneous cylinders immersed in an absorbing medium illuminated normally by plane waves. Scattering and extinction cross sections are derived, and the efficient algorithm is presented. Scattering matrix is simulated and discussed.

系统地解决了吸收介质中非均匀柱粒子对垂直入射平面波的散射问题,包括散射场、散射截面、消光截面的解析解,提出了快速、有效的计算方法;数值模拟了均匀、非均匀圆柱的散射矩阵,并与已有文献发表结果对比。

Basing on the Graf′s addition theorem, two expessions, interior and exterior expression, are deduced and the suitable problems for them are discussed. It has been found that the interior expression is the main point for sovling the scattering problem of circular inclusion in half-space. It also has been found that the exterior expression is the key for the scattering problem of circular arc canyon and circular arc alluvial valley, and is one of the main points for scattering problem of circular arc hill as well.

从Graf原有加法公式出发,本文给出了其内域型和外域型两种表达形式并讨论了这两种表达的适用范围,同时指出:内域型表达是求解半空间内含夹塞区出平面散射问题的要点,而外域型表达是解决任意圆弧型凹陷地形和任意圆弧型沉积盆地出平面散射问题中求解难点的关键,同时也是克服任意圆弧型凸起地形出平面散射问题求解困难的要点之一。

The Airy function is used to calculate the plasma impedance and the grill-plasma scattering matrix is deduced, then the coupling properties of the HT-7 LHCD MJ launcher are studied with the antenna scattering matrix and the grill-plasma scattering matrix based on the liner coupling theory. The average power reflection coefficient, directivity, power spectrum are obtained for different edge plasma densities and for different phasings between main waveguides.

采用线型耦合理论,用艾黎函数计算了等离子体阻抗,推导出常规波导阵对等离子体的散射矩阵,并利用它和天线自身的散射矩阵研究了HT-7装置低杂波多结波导阵天线的耦合特性;计算了其平均功率反射系数、方向性系数和功率谱与等离子体边缘密度和主波导相位差等参数的关系。

The angular distribution of the bistaticscattering coefficient of HH polarization were obtained by numerical implementation. Influences of the permittivity and the mean layer thickness of intermediate medium, friction velocity and the frequency of the incident wave on the bistatic scattering coefficient were discussed. The basic characteristics, the zonal characteristics and the characteristics with varying of frequency of the scattering coefficient from stratified sea surface were obtained. The numerical results show that the scattering coefficient has approximate "quantization" characteristics.

通过数值计算得到了HH 极化双站散射系数随散射角的变化曲线,讨论了中间介质介电常数和厚度、摩擦风速和入射波频率对双站散射系数的影响,得到改进的一维分形分层海面散射系数的基本特征、分区特征和随频率变化的特征,结果表明散射系数近似具有"量子化"特征。

In this paper, firstly we researched the relationships of the communicating distanceand the channel characteristic, the effect of the multiple scattering to the laserpropagation, the requirement of the laser communication to the ATP system and theway to determine the angular dispersion and receive field of view. It is proved that inlight haze weather, letting the input and output laser\'s wavelength are diferrent witheach other, after passing by the filter, it can avoid backward scattering effectually andfor the communication within 15km, the influence of the multiple scattering inatmosphere can be ignored.

论文对通信距离与信道特性、多次散射对光传输的影响、无线激光通信对ATP带宽的需求以及光束发散角和接收视场角等重要系统性能参数和指标进行了分析和研究,证明了在轻霾天气状态下,使系统中两终端发送的激光束波长各不相同,经过光束滤波,可以有效地消除后向散射干扰;在15km的通信距离范围内,大气中的多次散射对无线激光通信光传输的影响可以忽略。

These methods are validated using simulation data, data measured in microwave anechoic chamber and practice measured PolSAR complex imaging data. Unlike the traditional method, these methods can estimate coherent scattering matrices of scattering centers accurately by overleaping the step of scattering center association.

利用仿真数据、暗室测量数据和实测PolSAR复图像数据,验证了这两种方法的有效性,其突出优点是不需要进行散射中心位置及极化的关联,并可以实现相干极化散射矩阵元素的同时估计。

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