共查询到20条相似文献，搜索用时 156 毫秒
1.
Xia Nan 《上海大学学报(英文版)》1999,(1)
１ Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｔｈｅｐｒｏｂｌｅｍｏｎｔｈｅｓｔａｂｉｌｉｔｙｏｆｉｎｖｉｓｃｉｄｉｎｃｏｍｐｒｅｓｓｉｂｌｅｓｗｉｒｌｉｎｇｆｌｏｗｈａｓｂｅｅｎｓｔｕｄｉｅｄｂｙｍａｎｙａｕｔｈｏｒｓ．Ｒａｙｌｅｉｇｈ［１］ｉｎｖｅｓｔｉｇａｔｅｄｔｈｅｆｌｏｗｗｉｔｈｃｏｎｓｔａｎｔａｘｉａｌｖｅｌｏｃｉｔｙ,ｉ．ｅ．Ｕ′＝ｄＵｄｒ＝０ａｎｄｆｉｒｓｔｇｏｔａｓｕｆｆｉｃｉｅｎｔａｎｄｎｅｃｅｓｓａｒｙｃｏｎｄｉｔｉｏｎｏｆｓｔａｂｉｌｉｔｙｆｏｒａｘｉｓｙｍｍｅｔｒｉｃｄｉｓｔｕｒ… 相似文献
2.
SHI Yao ming CHEN Hang de XU Shi yue 《上海大学学报(英文版)》1999,3(3):203-207
１ Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｑｕａｎｔｕｍｃｏｈｅｒｅｎｔｔｒａｎｓｐｏｒｔｉｎｍｅｓｏｓｃｏｐｉｃｓｙｓｔｅｍｈａｓｂｅｅｎｉｎｖｅｓｔｉｇａｔｅｄｅｘｔｅｎｓｉｖｅｌｙｉｎｔｈｅｐａｓｔｄｅｃａｄｅ．Ｍｏｔｉｖａｔｅｄｂｙｓｏｍｅｒｅｃｅｎｔｅｘｐｅｒｉｍｅｎｔｓ,ｍａｄｅｂｙＹａｃｏｂｙｅｔａｌ．［１］ａｎｄＢｕｋｓｅｔａｌ．［２］,ｐｈａｓｅｓｅｎｓｉｔｉｖｅｔｒａｎｓｐｒｏｔｉｎａｎＡｈａｒｏｎｏｖｂｏｈｍ（ＡＢ）ｒｉｎｇｗｉｔｈａｑｕａｎｔｕｍｄｏｔ（ＱＤ）ｅｍｂｅｄｄｅｄ… 相似文献
3.
XIAO Xue shan * ** DONG Yuan da * MO Zhi shen ** ZHU Ming yuan * WANG Xian hong ** QIAO Xiu ying ** WANG Qing * XU Hui * 《上海大学学报(英文版)》1999,3(4):336-338
１ Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｔｈｅｒｅｄｕｃｅｄｇｒａｖｉｔｙｍａｔｅｒｉａｌｓｐｒｏｃｅｓｓｉｎｇｈａｓｂｅｅｎｅｘｔｅｎｓｉｖｅｌｙｕｓｅｄｔｏｓｔｕｄｙｍｅｔａｌｓａｎｄｇｌａｓｓｅｓｉｎｔｈｅｐａｓｔｄｅｃａｄｅ［１～３］．Ｔｏｏｕｒｋｎｏｗｌｅｄｇｅ,ｐｏｌｙｍｅｒｉｃｍａｔｅｒｉａｌｓｈａｖｅｎｏｔｂｅｅｎｍｅｎｔｉｏｎｅｄｉｎｔｈｅｌｏｗｇｒａｖｉｔｙｅｎｖｉｒｏｎｍｅｎｔｏｎｔｈｅｇｒｏｕｎｄｂａｓｅ．Ｔｈｅｇｒａｖｉｔｙ,ｈｏｗｅｖｅｒ,ｓｈｏｕｌｄｐｌａｙａｎｉｍｐｏ… 相似文献
4.
ZHANG Qi XIE Guo dong 《上海大学学报(英文版)》1999,3(4):299-303
１ Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｈｉｇｈｐｏｗｅｒｆａｃｔｏｒｉｎｄｕｃｔｉｏｎｍｏｔｏｒｗｉｔｈｆｌｏａｔｉｎｇｗｉｎｄｉｎｇｉｎｐａｒａｌｌｅｌｃｏｎｎｅｃｔｉｏｎｗｉｔｈｃａｐａｃｉｔｏｒｓｉｓａｍｏｔｏｒｏｆｓｐｅｃｉａｌｓｔｒｕｃｔｕｒｅａｎｄｗｉｔｈｓｐｅｃｉａｌｃｏｎｎｅｃｔｉｏｎ．Ｉｔｓｓｔａｔｏｒｃｉｒｃｕｉｔｃｏｎｆｉｇｕｒａｔｉｏｎ［１］ｉｓｓｈｏｗｎｉｎＦｉｇ．１．Ｆｉｇ１ｓｈｏｗｓｔｗｏｓｅｔｓｏｆｓｔａｔｏｒｗｉｎｄｉｎｇｓ,ｔｈｅｐｏｗｅｒｗｉｎｄｉｎｇｓｃｏｎｎ… 相似文献
5.
１ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｓａｆｅｔｙｏｆｗａｌｃｌｉｍｂｉｎｇｒｏｂｏｔｉｓｏｆｇｒｅａｔｉｍｐｏｒｔａｎｃｅｉｎｒｏｂｏｔｄｅｓｉｇｎａｎｄｇａｉｔｐｒｏｇｒａｍｍｉｎｇ．Ｓａｆｅｔｙｒｅｑｕｉｒｅｍｅｎｔｓｉｎｃｌｕｄｅｂｏｔｈａｎ... 相似文献
6.
１ Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｔｈｅａｄａｐｔｉｖｅｆｕｚｚｙｃｏｎｔｒｏｌｉｓａｓｕｃｃｅｓｆｕｌｉｓｓｕｅｏｆｔｈｅｆｕｚｚｙｃｏｎｔｒｏｌ．Ｔｈｅａｄａｐｔｉｖｅｆｕｚｚｙｃｏｎｔｒｏｌｏｆｏｎｌｉｎｅｌｅａｒｎｉｎｇａｎｄｏｎｌｉｎｅｃｏｎｔｒｏｌｉｓｔｈｅｏｒｉｅｎｔａｔｉｏｎｏｆｔｈｅｄｅｖｅｌｏｐｍｅｎｔｉｎｔｈｅａｄａｐｔｉｖｅｆｕｚｚｙｃｏｎｔｒｏｌｆｉｅｌｄ．Ｂｕｔｔｈｅｃｏｍｐｌｅｘｏｆｔｈｅｐｌａｎｔｓｕｃｈａｓｓｔｒｏｎｇｃｏｕｐｌｅｄｒｅｌａｔｉｏｎｓ,ｌｏｎｇ… 相似文献
7.
DENG Jia mei CAO Jia lin LI Ming LI Ping * YU Ying 《上海大学学报(英文版)》1999,3(3):218-222
１ Ｉｎｔｒｏｄｕｃｔｉｏｎ ＩｎｔｈｉｓｐａｐｅｒｓｏｆｔｉｎｓｏｆｔｏｕｔＭＡＰｄｅｃｏｄｉｎｇａｌｇｏｒｉｔｈｍｓｂａｓｅｄｏｎｔｈｅｆａｓｔＨａｄａｍａｒｄｔｒａｎｓｆｏｒｍ（ＦＨＴ）ａｒｅｄｅｖｅｌｏｐｅｄ,ａｎｄｔｈｅｉｒａｐｐｌｉｃａｔｉｏｎｓｉｎｄｅｃｏｄｉｎｇｌｏｗｒａｔｅｍｕｌｔｉｄｉｍｅｎｓｉｏｎａｌｃｏｎｃａｔｅｎａｔｅｄＨａｄａｍａｒｄｃｏｄｅｓａｒｅｅｘａｍｉｎｅｄ．Ｔｈｅｐｒｏｐｏｓｅｄｍｅｔｈｏｄｈａｓａｎｏｔａｂｌｅａｄｖａｎｔａｇｅｏｆａｃｈｉｅｖ… 相似文献
8.
WANG Xiao jing ZHANG Zhi ming ZHANG Guo xian 《上海大学学报(英文版)》1999,3(3):234-237
１ Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｗｉｔｈｔｈｅｉｎｃｒｅａｓｉｎｇｃａｐａｃｉｔｙｏｆｈｙｄｒｏｇｅｎｅｒａｔｏｒｓａｎｄｔｈｅｒｅｌｅｖａｎｔｌｙｉｎｃｒｅａｓｉｎｇｓｉｚｅａｎｄｌｏａｄｉｎｇｏｆｔｈｒｕｓｔｂｅａｒｉｎｇｓ,ｔｈｅｃｏｎｆｉｇｕｒａｔｉｏｎｏｆｐａｄｓｕｐｐｏｒｔｅｄｏｎａｓｉｎｇｌｅｐｉｖｏｔｈａｓｍｏｒｅａｎｄｍｏｒｅｄｉｆｆｉｃｕｌｔｙｉｎｍｅｅｔｉｎｇａｌｌｔｈｅｄｅｍａｎｄｓｉｎｒｅａｌｏｐｅｒａｔｉｏｎｃｏｎｄｉｔｉｏｎｓ．Ｔｈｅｃｏｎｆｉｇｕｒａｔｉｏｎ… 相似文献
9.
１ＩｎｔｒｏｄｕｃｔｉｏｎＳｉｎｃｅｔｈｅｍｉｄ９０’ｓ,ｔｈｅｆｉｎｉｔｅｄｉｆｅｒｅｎｃｅｔｉｍｅｄｏｍａｉｎｍｅｔｈｏｄｈａｓｂｅｅｎａｐｐｌｉｅｄｔｏｓｏｌｖｅａｎｕｍｂｅｒｏｆａｃｏｕｓｔｉｃａｌｐｒｏｂｌｅｍｓ．Ｅｘａｍｐｌｅｓｉｎ... 相似文献
10.
LI Chang pin 《上海大学学报(英文版)》1999,3(3):248-250
１ Ｉｎｔｒｏｄｕｃｔｉｏｎ ＴｈｅＫＳｅｑｕａｔｉｏｎｉｎｏｎｅｓｐａｔｉａｌｄｉｍｅｎｓｉｏｎｒｅａｄｓａｓ ｕｔ＋ｕｘｘｘｘ＋ｕｘｘ＋ｕｕｘ＝０, ｘ∈（－ｌ２,ｌ２）,ｔ＞０,ｕ（ｘ,０）＝ｕ０（ｘ）．（１．１）Ｗｅｅｍｐｈａｓｉｚｅｔｈｅｌｐｅｒｉｏｄｉｃｂｏｕｎｄａｒｙｃｏｎｄｉｔｉｏｎ,ｌｂｅｉｎｇｔｈｅｓｉｚｅｏｆａｔｙｐｉｃａｌｐａｔｔｅｒｎｃｅｌｌ ｕ（ｘ＋ｌ,ｔ）＝ｕ（ｘ,ｔ）．（１．２） ＴｈｅＫＳｅｑｕａｔｉｏｎａｒｉｓｅｓｉｎｄｉｆｆｅｒｅｎｔｐｈｙｓｉｃ… 相似文献
11.
1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｐｈａｓｅｉｓａｎｉｍｐｏｒｔａｎｔｃｏｎｃｅｐｔｉｏｎｉｎｏｐｔｉｃｓ.Ｉｔｓｄｅｆｉｎｉ ｔｉｏｎｉｓｅｘｐｌｉｃｉｔｉｎｃｌａｓｓｉｃｏｐｔｉｃｓ,ｂｕｔｉｔｉｓｄｉｆｆｉｃｕｌｔｔｏｇｉｖｅｉｔｓｄｅｆｉｎｉｔｅｍｅａｎｉｎｇｉｎｑｕａｎｔｕｍｏｐｔｉｃｓ.Ｔｈｅｒｅｈａｖｅｂｅｅｎｓｅｖｅｒａｌｄｅｆｉｎｉｔｉｏｎｓ,ｗｈｉｃｈｈａｖｅｄｉｆｆｅｒｅｎｔｃｈａｒａｃｔｅｒｉｓｔｉｃｒｅｓｐｅｃｔｉｖｅｌｙ.ＳｏｍｅｏｆｔｈｅｍａｒｅＳｕｓｓｋｉｎｄ Ｇｌｏｇｏｗｅ… 相似文献
12.
13.
董传华 《上海大学学报(英文版)》2002,6(4):297-302
The higher-order fluctuations in the SU(1,1)generalized coherent states are discussed.The definition of higher-order SU(1,1)squeezing is introduced in terms of higher-order uncertainty relation.For two possible bosonic realizations of SU(1,1)Lie algebra,the second-,fourth-and sixth-order SU(1,1)squeezing are examined in detail.It is shown that the SU(1,1)generalized coherent states can be squeezed to not only second-order,but also fourth-and sixth-order.Hence,it follows that the higher-order squeezing will occur for the fluctuations of the square of amplitude in squeezed vacuum.SU(1,1)higher-order squeezing is a kind of non-classical property which is independent of second-order squeezing. 相似文献
14.
卢道明 《洛阳师范学院学报》2002,21(5):35-38,46
利用Barnett和Pegg提出的测量相位算符 ,在测不准关系基础上给出测量相位算符压缩的二类定义 ,讨论了粒子数叠加态中测量相位算符的压缩情况 .研究表明只有真空态和双光子数态及真空态和单光子数态的叠加态才能产生光场测量相位算符的CS类压缩效应 ,任何光子数叠加态都不产生测量相位相符的CN类压缩效应 . 相似文献
15.
董传华 《上海大学学报(英文版)》2000,4(2):112-115
1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｉｎｑｕａｎｔｕｍｏｐｔｉｃｓ ,ｓｏｍｅｎｏｎ ｃｌａｓｓｉｃａｌｓｔａｔｅｓｏｆｌｉｇｈｔｈａｖｅｂｅｅｎｓｔｕｄｉｅｄｒｅｃｅｎｔｌｙ .Ｉｎｐａｒｔｉｃｕｌａｒ ,ｔｈｏｓｅｏｐｔｉｃａｌｓｕｐｅｒｐｏｓｉｔｉｏｎｓｔａｔｅｓ ,ｗｈｉｃｈａｒｅｂａｓｅｄｏｎｔｈｅｐｒｉｎｃｉｐｌｅｏｆｑｕａｎｔｕｍｓｕｐｅｒｐｏｓｉｔｉｏｎ ,ｇｉｖｅｒｉｓｅｔｏｖａｒｉｏｕｓｎｏｎ ｃｌａｓｓｉｃａｌｐｒｏｐｅｒｔｉｅｓ.Ｎｕｍｂｅｒｓｕｐｅｒｐｏｓｉｔｉｏｎｓｔａｔｅｓ[1] ａｒｅｐ… 相似文献
16.
压缩相干态的熵压缩特性 总被引：3，自引：0，他引：3
研究了压缩相干态的位置熵和动量熵的压缩特性，并讨论了位置熵压缩、动量熵压缩与广义坐标、广义动量压缩性的关系．结果表明，压缩相干态的熵压缩与方差压缩具有一一对应的关系。 相似文献
17.
By using the theory of measured phase operator proposed by Barnett and Pegg,dynamic properties of phase of a field are studied.The time evolution and squeezing of measured phase opoerators of a coherent field ineracting with a two-level atom in the cavity with or without the Kerr medium are investigated.The influences of virtual cavity field on squeezing of measured phase operator are studied.Our numerical results show that the squeezing effects are clearly influenced Kerr medium parameters,the field intensity,and the detuning.Moreover,the influence of the virtual-photon field makes more quantum noise in the evolution of measured phase opoerators. 相似文献
18.
Two-photon Jaynes-Cummimgs model is generalized to the case of Kerr medium in this paper,The field and atom are prepared initially in two-photon superposition state and ground state respectively.Nonlinear coefficient affects the dynamic behaviors of the field and atom.Evolutions of the squeezing for the operators of field and atom and the quantum inversion are discussed.In particular,the higher-order squeezing for atomic dipole and the effects of nonlinearity on it,which have not been studied by other authors,are investigated,Increasing the nonlinear coefficient will decrease the squeezing depth of atomic dipole. 相似文献
19.
构造了Paul除中离子的四分量相于态,研究这种离子的位置和动量在四分量相干态中的高队压缩性质。 相似文献