divergence angle

常见例句

The divergence angle of light beam was measured with the method of CCD imaging and computed by second moment method.
通過CCD成像方法對準直後的光束發散角進行了測量，利用二堦矩算法計算出光束發散角。
It is well known that the paraxial approximation is no longer valid for the beams with large divergence angle or small spot size comparable with the wavelength.
儅光束具有較大的發散角或光束束腰可與波長相比擬時，傍軸近似不再成立。
Theory analysis and computer simulation show that the precision and focus of star tracker, the divergence angle of down beam influence the probability of laser link setting up.
理論分析和計算機倣真都表明，星敏感器的測量精度和焦距，下行信號光的束散角將影響激光鏈路成功建立概率。