波函数
- 与 波函数 相关的网络例句 [注:此内容来源于网络,仅供参考]
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At last, the level and noise for wavelet scale function are also discussed.
最后讨论了小波变换级和噪声对尺度函数分析方法的影响,表明小波尺度函数的降噪作用是十分明显的。
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This method decomposes wave-front phase to a linear combination of orthonormal basis functions, According to the covariance of weight coefficient, a random wave-front phase is realized.
协方差冲激函数产生法对连续波前相位进行冲激函数正交分解,根据正交分解系数的协方差模拟平行光通过大气后的瞬时波前相位。
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In the work, employing a function with four undetermined parameters to model the source wavelet, an analytical relation between Q-factor and envelope peak instantaneous frequency is derived from the theory of one-way waves propagating in an anelastic medium; at the same time, a method for extracting instantaneous frequency in wavelet domain is developed for improving the precision and anti-noise performance of IF estimation, and based on these, a method called EPIF in wavelet domain is proposed for estimating Q-factor of VSP data.
本文采用一个具有4个待定参数的函数去逼近震源子波,利用黏弹介质中单程波传播理论推导出了地震子波包络峰值处瞬时频率和品质因子之间的解析关系;同时,为提高瞬时频率的估计精度和抗噪性能,在小波域中发展了一种计算瞬时频率的方法,并在此基础上提出了估算VSP资料Q值的方法,简称小波域包络峰值处瞬时频率法。
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The approximate solution to FPK equation isobtained. The joint probability density function and stationary mean out-crossing rateare investigated for ship nonlinear rolling subjected to additive white noise excitation.Melnikov function and phase space flux are applied to analyze highly nonlinear rolland capsizing of ships in the random seas. The variation of phase space flux withrespect to the characteristic wave period, significant wave height and damping ofships is studied.
求FPK方程近似解,研究白噪声激励下船舶非线性横摇运动的联合概率密度函数及稳定期望穿阈率,应用Melnikov函数和相空间转移率研究船舶在随机波浪中的强非线性横摇运动及其倾覆问题,考虑波浪特征周期、有义波高及船舶阻尼特性的变化规律,推导了船舶在随机横浪中的极限波高的表达式。
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Both the offset and tilted fedcoupling-slot array between the curved guide and sectoral guides and longitudinal radiating-slot array on sectoral guide are analyzed by moment method, taking into account of the effects of finite wall thickness and mutual coupling between the slots, employing the acceleration algorithms to accelerate the summation of slowly convergent series of the self-admittance of the waveguide-slot aperture, and introducing the surface Fock functions to simplify the computation of the self-and mutual coupling of the slots on the surface of cylinder.
采用矩量法分别分析弯波导与扇面波导间偏置倾斜馈电耦合缝阵和扇面波导轴向辐射缝面阵,其中计及有限波导壁厚及缝间互耦的影响,运用级数加速算法对波导中自导纳矩阵元级数进行加速处理,并引入表面Fock函数简化圆柱面上缝口面的自耦和互耦的计算。
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The calculation of wavelet and scalar function coefficients at the process of decomposition of triangular mesh, the choice of wavelet coefficient threshold and the calculation of scalar function coefficient at the reconstruction process are introduced in this dissertation. The multiresolution decomposition, compression and reconstruction of triangular mesh with subdivision connectivity are realized.
关于细分连续三角网格的多分辨分解、压缩与重构,本文介绍了细分连续三角网格分解过程中小波系数及尺度函数系数的计算、小波系数的阈值选取和重构过程中尺度函数系数的计算,并给予了实现,获得较好的压缩性能和质量。
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A temperature sensor in front of the electromagnetic field, the said without interference from the methods include: the temperature sensor is made on the characteristics of semiconductor material pre-selected wavelengths of light transmission function as the temperature sensor, west DingZheng prismatically configuration sensor, in order to provide a direct path through the reflective temperature sensor said, Another kiss for primary sources said wavelength, Choose 12.449 coupled with optical fiber sensor, the radiating waveguide song, Another kiss can detect radiation intensity detector change along, through direct transmission path as temperature sensor reflective function, Optical fiber sensor probe second waveguide coupling, And the radiation temperature sensing along the road, directly from the first glance through optical waveguide fiber-optic sensors represent temperature, pulsing said waveguide detection radiation intensity of optical fiber sensor, forwarding through said waveguide as the second pen function temperature.
一种温度传感当着电磁场无干扰电磁场说,该方法包括:从编造温度传感器具有半导体材料的特点进行预选波长的光传输功能作为温度传感器、西丁正prismatically配置传感器,以提供一个直接透过反光路说温度传感器;亲另方面说预选波长为辐射源;选择 12.449偶合传感器的辐射源,以光纤波导首;亲另方面探测器能够探测辐射强度的变化直接传送沿说,通过传感器作为道路反光函数温度;光学传感器耦合的光纤探测器第二波导;与由导演辐射温度传感沿线道路反光直接从第一说,通过光纤波导表示温度光纤传感器脉动说波导二、检测辐射强度转发的光纤传感器,通过说波导作为第二笔功能温度。
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In this study we systemically investigate the effects of laterally inhomogeneous crustal structure with planar dipping interfaces on the teleseismic receiver function.
系统研究了台站下方存在倾斜界面时,远震体波接收函数的波场特征及多方位接收函数对台站下方介质横向非均匀特征的反映能力。
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Increase of the regularity of interpolating scaling functions efficiently improves the approximation power of systems, moreover, that of dual scaling functions markedly enhances the smoothness of duals and improves the frequency characteristics of analysis filters in passband and stopband.
内插尺度函数正则度的增加有效提高了系统的逼近能力,对偶正则度的提高显著增加了对偶尺度函数、对偶小波的光滑性,改善了分析滤波器组的通带、阻带特性。冗余度在一定意义下制约了小波系统的性能。
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By using two different three-dimensional source distri- bution techniques, three-dimensional translating-pulsating source (3DT) and three-dimensional pulsating source (3DP), numerical investigations have been carried out for a high speed monohull ship (RD-200) advancing in oblique waves. The numerical results are compared with experimental values obtained from wave load tests carried out at the SSPA. These extensive test results cover different wave directions at a wide range of wave frequencies.
本文在高频运动的假设之下,使用一种简化的三维振荡(3D pulsating)格林函数,3DP,以及与实际波系接近的三维前进-振荡(3D Translating-pulsating)格林函数,3DT,对於一艘高速单体船(RD-200)进行斜浪中规则波之波浪动态压力负荷分析;理论计算将以两种三维源点法进行波浪负荷评估并与由船模试验加以验证,船模实验於瑞典SSPA方型风浪水槽进行。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。