ID | 原文 | 译文 |
54667 | 将该策略应用于一种改进蚁群算法中,仿真结果表明,应用此种策略可在确保一定解质量的前提下,避免解失效并有效提高解效用,减少计算迭代次数,缩短计算时间。 | This strategy was applied to an improved ant colony algorithm, simulation results show that applying this strategy can be on the premise of to ensure the quality of a solution, to avoid failure and improve the solution utility, reduce the calculation of the number of iterations, shorten the calculation time. |
54668 | 针对宽带功率放大器的强记忆效应,提出了一种前馈交叉记忆多项式模型。 | Strong memory effects for broadband power amplifier, a feedforward cross memory polynomial model is put forward. |
54669 | 该模型由主信号对消和畸变注入两个环路构成。 | The model by the main signal cancellation and distortion into two loop. |
54670 | 信号对消环路采用记忆多项式模型对带内动态线性记忆效应进行建模;畸变注入环路采用记忆时刻信号间的交叉记忆项对带外扩展频谱行为进行建模。 | Memory polynomial model is adopted to take the signal cancellation loop dynamic linear memory effect modeling;Distortion between injection loop USES the memory time signals cross item memory for out-of-band spread spectrum behavior modeling. To overcome the least-square method in the numerical instability problem in the model identification, conjugate gradient method is adopted for model parameters are identified. |
54671 | 为克服最小二乘法在模型辨识中带来的数值不稳定问题,采用共轭梯度的方法对模型的参数进行辨识。为消除噪声和测量误差对模型参数辨识带来的影响,采用ADS软件包络仿真的方法获取精确的功放输入输出信号复包络数据,并对该模型进行充分的性能分析和评估。 | To eliminate the noise and the effects of measurement error of the model parameters identification, adopt the method of envelope ADS software simulation to obtain accurate power amplifier input and output signal complex envelope data, and the performance of the model fully analysis and evaluation. |
54672 | 实验结果表明,所提方法对宽带功放的非线性动态特性具有很好的逼近能力,特别是带外频谱扩展特性,较之常用的方法提升了近10dB。 | The experimental results show that the proposed method for nonlinear dynamic characteristics of the broadband power amplifier have good approximation capability, especially the band spectrum extension features, compared with the commonly used method to promote the nearly 10 db. |
54673 | 现代战场环境具有高度的不确定性,对维修零配件的需求数量是不确定的。 | Modern battlefield environment with a high degree of uncertainty, the demand for maintenance spare parts number is uncertain. |
54674 | 同时,对战场上的战损件进行及时修复再造,与后方调运的零配件共同满足维修零配件需求,既可以及时满足战场需求,又能降低维修零配件的储运成本。 | At the same time, against the field of battle damage repair on time, meet the demand of maintenance spare parts together with the rear dispatching of spare parts, can meet the demand of the battlefield in time, and can reduce the maintenance spare parts storage and transportation cost. |
54675 | 但是战损件能否修复存在一定的不确定性,给战场维修零配件的供应优化带来新的挑战。 | But the battle damage parts can repair has certain uncertainty, the supply of spare parts optimization brings new challenges to battlefield maintenance. |
54676 | 在考虑维修零配件需求和战损件修复不确定性的条件下,研究了战场上多产品维修零配件供应优化问题,建立了优化问题的数学模型,基于拉格朗日松弛开发了模型的求解算法,以不同规模的随机测试算例验证了算法的有效性与鲁棒性。 | Considering the maintenance spare parts demand and battle damage repair under the condition of uncertainty, studied the battlefield more product maintenance, spare parts supply optimization optimization mathematical model is established, based on Lagrangian relaxation algorithm of solving the model is developed, different sizes of random testing example is given to demonstrate the effectiveness and robustness of the algorithm. |