1·Time reversal t is not unitary.
时间反演t不是幺正的。
2·Time reversal tis not unitary.
时间反演t不是幺正的。
3·Time reversal invariance is a very useful symmetry in subatomic physics.
时间反演不变性在亚原子物理中仍然是一种很有用的对称性。
4·Repeated time reversal iterations can obviously enhance the focus signal energy.
通过反复迭代进行时反操作，可以明显提高聚焦信号能量；
5·The principle of the time reversal processing and its spatial and time focusing are studied.
利用传输矩阵分析了迭代时反处理的收敛性和时反算子分解方法的原理。
6·The principle of time reversal and the process of active detection using this technology were analyzed.
分析了时反法的原理，并进一步分析了时反法用于主动探测的过程。
7·The iterative time reversal processing and the decomposition time reversal operator method are studied.
研究了迭代时反处理和时反算子分解方法。
8·Time reversal is a unique self-focusing technique for spatial and temporal focusing of sound in unknown environments.
【中英文摘要】时反法是一种新颖的自适应聚焦技术，它可以使声信号在未知环境下实现时空聚焦。
9·We have shown nonexistence of symmetry with respect to time reversal of the time correlation function of the steady state.
证明了定态时间相关函数不存在时间反演对称性。
10·Time reversal array focusing and focused beamforming can achieve the same effect, although they are different in the method.
理想信道中阵的时反聚焦与近场的聚焦波束形成是异曲同工的。