| 1. | However , the correlation signal obtained by the classical matched filter is associated with large correlation sidelobes , large correlation bandwidth , and low optical efficiency
克服了经典的匹配滤波相关存在大的相关旁瓣、很大的相关带宽和低的光效率等缺点。 |
| 2. | In contrast to pulsed discharge without preionization , the working voltage of the laser falls about 20 % and the electro - optical efficiency is improved approximately 30 %
和无预电离的脉冲放电相比，激光器的工作电压下降了大约20 ，电光转换效率提高了大约30 。 |
| 3. | However , the correlation signal obtained by the classical joint transform correlator ( jtc ) is associated with large correlation sidelobes , large correlation bandwidth , and low optical efficiency
但经典的联合变换相关存在大的相关旁瓣、很大的相关带宽和低的光效率等。 |
| 4. | The maximum average output power is 1 w , and the pulse duration is 210 ns , and the repetition rate is 47 khz , the opto - optical efficiency is 6 % , the slope efficiency is 8 . 6 %
在16 . 9w的泵浦功率下，得到了最大平均输出功率为1w ，脉冲宽度为210ns ，重复频率47khz的532nm倍频光。光光效率达到6 % ，斜效率达到8 . 6 % 。 |
| 5. | According to the parameters such as minimum detectable power , range and reflectivity of simulant target , meteorological visibility and optical efficiency , the maximum range of laser altimeter was figured out by the range - finding equation
将最小可探测功率、模拟目标距离、目标物反射率、光学效率等参数代入最大测程推算方程，得出激光高度计最大测程指标。 |
| 6. | In this dissertation the operation mechanism of pulsed - preionization diffusive cooling co _ 2 , laser is studied . pulsed preionization technology is put forward to improve the stability of discharge , decrease the operating voltage , and enhance the electro - optical efficiency
本文研究了脉冲预电离的扩散冷却co _ 2激光器的运转机理，提出采用脉冲预电离技术改善纵向脉冲放电的稳定性、降低工作电压和提高电光转换效率。 |
| 7. | In non - selfsustained discharge the excitation and ionization processes can be controlled separately , which is useful to optimize the e / p value of the discharge . the ballast resistance can be leaved out and the maximal electro - optical efficiency reaches 19 %
非自持放电使激光器的激发和电离过程分开，有利于使二者分别处于各自的最佳e p值附近，放电的正阻抗特性使放电电路可以省去限流电阻，极大地提高激光器的实际效率。 |
| 8. | A diode pumped cr4 + , nd3 + : yag crystal self - q - switched laser is demonstrated with fiber coupled ld and the imaging system . the pulse laser with 1064 nm wavelength is obtained . the maximum average output power is 3 . 36 w , and the pulse duration is 65 ns , and the repetition rate is 87 khz , the opto - optical efficiency is 15 . 3 % , the slope efficiency is 23 . 8 %
用光纤耦合输出的ld ，通过成像系统会聚，对二极管泵浦的自调q激光器进行了实验研究，得到了平均功率3 . 36w ，脉冲宽度65ns ，重复频率87khz的1064nm脉冲激光。 |
| 9. | At last , relation between optical efficiency and etendue value is analyze . zemax and lighttools are used in the design of fly - eye lens array illumination system , which has many advantages including compact volume , high efficiency and uniformity . now it has been applied in commercial 0 . 9 inch tft - lcd panel projector
在深入分析设计原理的基础上，使用zemax 、 lighttools等软件实现了结构紧凑、高光能利用率、高均匀性的偏心的蝇眼透镜阵列设计，在0 . 9英寸tft - lcd面板的投影仪上已经被商业应用，达到了厂家的技术指标要求。 |
| 10. | With green lighting project implementation , high - intensity gas discharge lights with high luminous flux , high optical efficiency , long life and good hin color characteristics are widely applied . particularly the metal halide light have the aforementioned advantages , so it is known as the ideal light source
随着绿色照明工程的实施,高强度气体放电灯以其高光通量、高光效、长寿命和显色性好等特点得到了广泛的应用,特别是金属卤化物灯同时具备上述优点而被称为最理想的光源。 |
