| 1. | Air conditioners , heat pumps and dehumidifiers with electrically driven compressors - measurement of airborne noise - determination of the sound power level 带电驱动压缩机的空调加热泵和除湿器.空气噪声的测量.声功率水平的测定 |
| 2. | Electrically propelled road vehicles - airborne acoustical noise of vehicle during charging with on - board chargers - determination of sound power level 电力驱动的道路车辆.用运载工具车上带的充电器充电过程中车辆在空中发出的噪声.声功率水平的测定 |
| 3. | However , in practice the use of coaxial delay lines or other means of timing at high power levels is impractical due to increased cost , complexity , and weight 但是在实践中,使用同轴延迟线或者其他高功率水平的延时手段将由于费用、复杂性和重量而不切实际。 |
| 4. | Under the conditions that the clutter power of lds is not same , a lot of emulating results are given , and part of available conclusions are find based on these results 深入分析了局部传感器杂波功率水平不同情况下的处理方法,给出了部分有益的结论。第五章针对局部传感器观测相关情况下的分布式cfar检测理论进行研究。 |
| 5. | Because , in our experiment , the beam current and the diode voltage are not their optimized values by the results of the particle simulation , the measured output microwave power is only 230mw 由于实验中束流电压和电流都偏小,输入的电子束功率水平低,特别束流大小比在粒子模拟中得到的优化电流低得较多,所以实验测试到的微波功率只有230mw 。 |
| 6. | Make sure you at least match the power level with your shields and beams or you may be under powered when under attack and will not be able to use your full beam strength or maintain shields under attack 请确保你的光束(武器)和防御性装置至少与功率水平相匹配,否则,在受到攻击时,你的船只可能会动力不足,无法使用完全的光束力量或无法维持防御。 |
| 7. | In the forth and back windows , the mosos - cfar detector uses the ordered statistics as the background cutter power level of the two windows , and the sum of the forth and back local estimation as the total estimation of background clutter power level Mosos - cfar检测器在前后滑窗分别采用有序统计量来表示前后滑窗的背景杂波功率水平,再将前后局部估计相加作为总的背景杂波功率水平估计。 |
| 8. | In the case of same local observation clutter power , based on the fusion rule proposed in [ 391 , a novel method is proposed to solve the distributed system included any kind of lds by the property of laplace transform . this method overcomes the shortcoming of supposing the same local snr in other method . by computer simulation , some available conclusions are found based on these results 在假设局部观测杂波功率水平相同的条件下,针对文献[ 39 ]提出的融合方案,利用laplace变换的频域微分性质,提出了一种针对局部采用任意数量的不同cfar检测器时系统的检测概率和虚警概率关于固定门限的求取方法,克服了以往需要假设局部信杂比相同的缺憾。 |
| 9. | In the case of same clutter power in lds , based on the fusion rule proposed in [ 171 ] , a novel method is proposed to solve the distributed system included any kind of lds by the property of laplace transform . this method overcomes the shortcoming of supposing the same local snr in other method 在局部传感器杂波功率水平相同情况下,针对文献[ 171 ]中提出的融合方案,利用laplace变换的频域微分性质,提出了一种针对局部采用不同cfar检测器时系统的检测概率和虚警概率关于固定门限的求取方法,并克服了以往需要假设局部信杂比相同的缺憾。 |
| 10. | We calculate the stress fracture limit , critical index limit and melting limit in a high power double clad fiber laser . the results show that the average output power decreases when the temperature is too high . to maintain the pumping efficiency and the output power , some cooling methods should be used when the output power reaches a certain level 给出了热效应对双包层光纤激光器影响的裂解极限、临界折射率极限和熔化极限与光纤结构参数和泵浦功率的表达式,理论分析和数值模拟结果表明对于高功率的双包层光纤激光器温度很高时激光增益下降,在一定的功率水平上需要进行外界的冷却,以保证泵浦激光的效率和高功率的激光输出。 |