ID	原文	译文
7854	数据分析结果表明,该算法可以有效运用于对高频雷达机动目标速度和加速度的估计。	The data analysis results show that the algorithm can be effectively applied to estimate of the hf radar maneuvering target velocity and acceleration.
7855	针对存在船舶动态不确定和外界干扰的欠驱动水面船舶轨迹跟踪控制问题,提出一种基于动态面控制(dynamic surface control,DSC)和最小学习参数法(minimal learning parameter,MLP)的自适应滑模控制方法。	For the ship dynamic uncertainty and external disturbance of underactuated surface ship trajectory tracking control problem, put forward a kind of based on dynamic surface control (dynamic surface control, DSC) and minimum learning method (minimal learning parameter, MLP) adaptive sliding mode control method.
7856	在控制律的设计过程中,为实现位置跟踪误差的收敛,利用反步法设计船舶前向速度和横漂速度的虚拟控制律镇定轨迹跟踪误差;	In the process of the design of the control law, to achieve the convergence of the position tracking error, using the footwork drifting and design of ship forward speed of virtual trajectory tracking control law is stabilization error;
7857	引入DSC技术,用于消除反步法对虚拟控制求导引起的"微分爆炸"问题;	Introduction of DSC technique, used to eliminate the footwork of virtual control the derivation of "differential explosion" problem;
7858	另外,采用MLP技术,以单参数在线学习代替所有权值在线学习,减少控制器的计算量,避免出现"维数灾难"问题,并结合带有"σ-修正"的自适应律,防止参数漂移,易于工程的实现。	In addition, by adopting the technology of MLP, ownership is replaced by a single parameter online learning online learning value, reduce the amount of calculation of the controller, to avoid "dimension disaster" problem, and combining with the "sigma - fixed" adaptive law, prevent the parameter drift, easy to project implementation.
7859	稳定性分析证明了所设计控制律可以保证轨迹跟踪船舶闭环系统中轨迹跟踪误差信号一致最终有界,仿真结果验证了所设计控制器的有效性。	Stability analysis proved that the designed control law can guarantee the trajectory tracking ship trajectory tracking error signal in the closed-loop system uniformly ultimately bounded, and the simulation results demonstrate the effectiveness of the designed controller.
7860	为获取高质量距离像,解线频调接收体制的调频连续波雷达通常需要进行非线性矫正。	To obtain high quality distance, line frequency receiving system of frequency modulation continuous wave radar usually nonlinear correction is needed.
7861	传统基于多项式模型的方法虽然能够矫正系统中绝大部分的非线性失真,但难以抑制由周期非线性引起的成对回波,距离压缩质量仍有较大提升空间。	In the past, the traditional method based on polynomial model is able to correct most of the nonlinear distortion in the system, but it is difficult to suppress caused by periodic nonlinear echo in pairs, there are still large room to improve distance compression quality.
7862	本文将剩余的周期非线性误差建模为多分量正弦调频信号,提出一种匹配初值与非线性最小二乘相结合的参数估计方法。	Nonlinear error modeling for the rest of this article will cycle component sinusoidal frequency modulation signal, puts forward a kind of matching initial combined with nonlinear least squares method for parameter estimation.
7863	所提算法仅采用傅里叶变换以及一维相位搜索即可实现正弦调频参数的快速估计,然后利用非线性最小二乘进一步提高估计精度,最后利用匹配傅里叶变换进行空变非线性矫正。	Proposed algorithm only USES Fourier transform and one dimensional search phase can be realized fast estimation of sinusoidal frequency modulation parameters, nonlinear least squares is then used to further improve the estimation precision, the last use of match Fourier transform for space-variant nonlinear correction.