Radiance uniformity of a spherical radiator and photometric nonlinearity of measuring system as well as wavelength accuracy and stray radiation of the monochromator are tested.
检验了球形照明球的亮度均匀性、测量系统的线性性、单色仪的波长准确度和杂散辐射等参数。
Influence of parameters such as attenuation coefficient, velocity of sound, and temperature of medium on focusing sound field generated by a self-focused concave spherical radiator has been studied through numerical simulation with Ray-leigh integral.
以凹球面自聚焦超声换能器为例,用瑞利积分进行数值模拟计算,研究声衰减、声速、温度等参数对声聚焦的影响,并对不同生物组织中声聚焦的特点进行了比较。
英语网 · 双语娱乐资讯
英语网 · 初中英语语法
英语网 · 双语新闻
英语网 · 商务英语