spherical source

Investigation on the Nonlinear Field Generated from a Spherical Focusing Source by Using Gaussian Beam Superposition

利用高斯声束叠加法研究圆形活塞聚焦换能器的非线性声场

Results: Beta energy ( about 60%) were absorbed between the 32 P spherical source surface and 0.8mm.

结果：在距32P球源08mm处约60%的β能量被吸收。

Using a spherical acoustic source as the array element to synthesize a virtual plane NFCA, we measure the far-field radiation characteristics of a plane loudspeaker transducer made in the near-field, with result agree well with that measured in the far-field in a lake.

并以小球源为阵元合成一虚拟平面NFCA，用它对一平面喇叭换能器的近场测量得到远场指向性，并与远场实测结果比较，得到了相当吻合的结果。

The sound fields and temperature fields in biological medium generated by concave spherical ultrasound source and focused gaussian ultrasound source were calculated, and their characteristics were analyzed.

计算了凹球面自聚焦超声源和聚焦高斯超声源在生物媒质中产生的声场及温度场，并对其主要特征进行了分析。

A new method based on interpolation using orthogonal spherical wave source was proposed to enhance the resolution of the nearfield acoustic holography image without adding measurement points.

为了在不增加测量点数的情况下提高近场声全息图像的空间分辨率，提出一种基于正交球面波插值的近场声全息图像分辨率增强方法。

DIFFUSE REFLECTION WITH SPHERICAL LIGHT SOURCE and diffuse position was characteristic of HT with thyroid cancer.

球面光源下漫反射分量的解析求解方法而在桥本甲状腺炎合并甲状腺癌组织中CK19、Ret/PTC多表现为强而弥漫性染色。

Method: Dose distribution of 32 P spherical source in liver cancer equivalent material and rat tumor were measured with thermoluminescence dosimeter.

方法：应用热释光方法实测32P在肝肿瘤等效材料和鼠瘤中的剂量分布。

Comparison of concave spherical ultrasound source and focused gaussian ultrasound source for hyperthermia

凹球面超声源和聚焦高斯超声源用于热疗的比较

Acoustic shape sensitivity analysis based on orthogonal spherical wave source boundary point method

基于正交球面波源边界点法的声学灵敏度分析

With integration in temporal and spatial domains, a calculation method of heat-induced moisture movement in the vicinity of a spherical heat source with variable intensity with time is established. The moisture transfer characteristics with time and moisture distribution within the porous medium are illustrated.

通过在时间域上和空间域上进行积分，建立热源强度随时间变化的球域热源情况下的数值积分求解方法，给出温度场作用下多孔介质内水分迁移的演化规律和分布特征。