理论研究表明，锥形结构能改善半导体光放大器的偏振灵敏度。
The theory research shows that the laterally tapered structure can improve the polarization sensitivity of semiconductor laser amplifier.
但理论研究表明，只有特定的几何约束结构，才具有射影不变量。
However, researches show that only some special geometric constrained structures possess projective invariants.
理论研究表明，两点源信号幅度不相等时，脉冲积累后的导引头输出指向大功率源。
Theoretic study shows that the seeker points to the bigger power source via pulse accumulation when the dual sources have different amplitude.
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