然后分析了时域极坐标算法存在残余视频相位误差的原因及其对成像结果的影响。
Then, the origin and the effect on imaging of time domain polar format algorithm residual video phase error are analyzed.
在小目标远场情况下，极坐标格式算法(PFA)能够基本消除MTRC，这种算法需要在空间频域进行从极坐标分布到直角坐标分布的二维插值。
Polar formation algorithm (PFA) can mostly compensate MTRC in the case of small target and distant field, which need the transformation from polar grid to Cartesian lattice.
特征点匹配算法通过动态建立极坐标系和弹性配对特征点来实现。
Rotary coordinates are dynamically established in our matching algorithm, in which an elastic minutiae paring method is used.
点火控制算法基于极坐标的形式，该法可充分利用脉冲矢量发动机，且可灵活控制直接力的指向。
Ignition control algorithm is based on the polar coordinates, which can take full advantage of the motors, and regulate the direction of the direct force.
本文采用数字坐标旋转（CORDIC）算法将极坐标图像转化为直角坐标图像，并采用三次样条插值的方法对漏点进行弥补。
The CORDIC algorithm is adapted to convert the polar coordinate image to the rectangular coordinate image, while cubic spline interpolation is used to interpolate the vacant pixels.
自适应滤波算法(1)研究了极坐标系下的水下目标被动跟踪问题，建立了被动跟踪的动力学模型。
Adaptive Kalman filter algorithm study (1) Based on the study of the passive target tracking in modified polar coordinates, the nonlinear dynamic model is devised.
在直角坐标形式电流注入型潮流算法的基础上，结合电力系统的实际，推导出了极坐标形式的电流注入型潮流算法。
On the basic of the rectangular current-injecting power flow algorithm and practice of power system calculation, this paper presents the polar current-injecting power flow algorithm.
极坐标格式算法(PFA)是一种典型的聚束sar成像算法。
Polar format algorithm (PFA) is a typical image formation algorithm used in spotlight SAR.
本文介绍了数控加工系统中一种基于极坐标的新型插补算法。其算法简单，易于实现，且插补误差小。
This paper introduces a new algorithm of interpolation based on polar coordinates. The algorithm is so simple that it can be easily realized by programme with minor error.
介绍了一个极坐标下卡尔曼滤波算法，给出了模型的推导过程及卡尔曼滤波的标量计算式，并给出了空舰攻击中目标速度的计算方法。
The paper presents a Kalman filter algorithm in the polar coordinates, describes the deduction process, the calculational formulas and target speed calculation method in air to ship attacking.
介绍了极坐标系下的被动跟踪算法及存在的问题，并分析了其原因。
The traditional passive tracking algorithm under polar coordinates and its deficiencies were analyzed.
然后重点对三种聚束式SAR成像算法进行了讨论与比较，包括极坐标格式(PF)算法、线性调频测绘(CS)算法和距离走动(RM)算法。
Then three spotlight mode SAR imaging algorithms are discussed and compared, including polar format (PF) algorithm, chirp scaling (CS) algorithm and range migration (rm) algorithm.
然后重点对三种聚束式SAR成像算法进行了讨论与比较，包括极坐标格式(PF)算法、线性调频测绘(CS)算法和距离走动(RM)算法。
Then three spotlight mode SAR imaging algorithms are discussed and compared, including polar format (PF) algorithm, chirp scaling (CS) algorithm and range migration (rm) algorithm.
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