The entire image width covers about one-half a degree, about the same angular width as the full moon.
整个图像宽度约半度，相当于一个满月的直径宽度。
The RMS slope is obtained from the angular width of the DALLAS light-scattering pattern.
均方根斜率是从DALLAS光散射图象的角宽得到的。
In general it was found that the angular width, and thus the estimated RMS slope, is insensitive to relatively large changes in both the incidence and the scattering angles of the light.
一般可以发现角宽(即估计的均方根斜率)对光的入射角和散射角变化相当大时是不敏感的。
The direction of acoustic beam and angular width of main lobe can be changed by properly amplitude-weighting, decreasing the frequency of impulsive signal and adjusting the interval of array elements.
通过适当的幅度加权、降低激励信号的频率、调整阵元的间距等措施可以改变辐射声束的方向和辐射主瓣的角宽。
The direction of acoustic beam and angular width of main lobe can be changed by properly amplitude-weighting, decreasing the frequency of impulsive signal and adjusting the interval of array elements.
通过适当的幅度加权、降低激励信号的频率、调整阵元的间距等措施可以改变辐射声束的方向和辐射主瓣的角宽。
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