ID 原文 译文
55367 仿真结果表明,在误码率性能和译码效率上,新算法优于改进前的算法;在误码率性能上,新算法也优于常用的最小和译码算法。 The simulation results show that the ber performance and the decoding efficiency, a new algorithm is better than that of before improvement algorithm;In ber performance, the new algorithm is superior to the commonly used minimum and decoding algorithm.
55368 仿真结果与理论分析吻合。 The simulation results accord with theoretical analysis.
55369 针对飞机研制费用预测样本数据较少、影响因素复杂,单一预测方法预测质量不高的问题,采用组合预测方法预测飞机研制费用。 Develop cost forecast for aircraft with less sample data and complex factors, single forecasting method to predict the quality is not high question, adopts the combined forecasting method to predict the plane development cost.
55370 组合了径向基函数(radial basis function,RBF)神经网络、格拉姆-施密特回归、偏最小二乘回归(partial least squares regression,PLSR)3种预测方法,基于样本数据建立了飞机研制费用组合预测模型,并与单项预测进行了对比分析。 Combination of radial basis function (radial basis function, RBF) neural network, gramm - schmidt regression, partial least-squares regression (partial further squares regression, PLSR) three kinds of forecasting method, based on sample data plane development cost combined forecasting model is established, and compared with single forecast analysis.
55371 结果表明,组合预测具有满意和稳定的预测精度,并可以降低单项预测的质量风险,是飞机研制费用预测可靠而有效的方法。 Results show that the combined forecasting has satisfactory prediction accuracy and stability, and can reduce the risk prediction of quality, is the aircraft development cost prediction is reliable and effective method.
55372 提出了一类新的称为运动累积测距的测距算法,该测距算法基于运动效应通过雷达与目标间不同时刻的距离特点确定目标的距离值。 Put forward a new kind of cumulative distance ranging algorithm called movement, the distance measurement algorithm based on motion effect characteristics of different time distance between with the target by radar target distance.
55373 运动累积测距算法工作在高重频(pulse repetition frequency,PRF)脉冲多普勒模式下,通过计算雷达接收回波的信号强度变化确定目标的位置。 Cumulative ranging algorithm working in high frequency (pulse repetition frequency, PRF) pulse doppler mode, by calculating the radar receiving echo signal intensity changes to determine the location of the object.
55374 给出运动累积测距算法的理论、计算方法并在实验部分给出运动累积测距算法的仿真结果。 Movement cumulative ranging algorithm theory, calculation methods and the cumulative distance algorithm simulation results of the experimental section.
55375 实验结果表明雷达高重频波形运动累积测距算法可以准确地估计目标的距离值。 The experimental results show that high repetition frequency radar waveform movement cumulative ranging algorithm can accurately estimate the target distance.
55376 针对舰载机牵引系统的甲板调运过程,提出了一种适用于复杂障碍物环境中不规则形状目标的路径规划方法。 On the deck of the traction system of aircraft scheduling process, put forward a applicable to the irregular shape the target in complex obstacle environment path planning method.