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With the merits as far responding distance, hiding receiving and easy-deploying, the single observation passive location has a broad application in military domain and plays an important part in passive radar, navigation and aerospace, etc. With the information of phase-difference, phase-difference rate of change and Doppler frequency rate of change, a new algorithm called PFRC, based on EKF, is proposed...
A new method to obtain high quality skeletons of binary shapes is proposed in this paper. First, a small set of salient contour points is computed by Discrete Curve Evolution (DCE). These salient points are the stable endpoints of the skeleton. Second, the skeleton is grown between pairs of the endpoints. Examining every eight-connected point of the current skeleton points, Select the point, that...
This paper presents a B-spline surface interpolator aiming to generate tool path for precision machining of free-form surfaces. For simplicity of implementation of the proposed surface interpolator, iso-parametric machining method is adopted. Parametric interpolation based on Taylor's expansion is used along the tool path and also in the path interval direction for better surface quality and improving...
In this paper, we report the result of our preliminary research that aims to examine how spatio-temporal landscape patterns can be related to socio-economic and accessibility attributes with a coastal urban area as the case. Our research methodology emphasizes the use of remotely sensed data, in combination with census data and other geographically referenced data. We classify two satellite images...
A local fractional Newton's method, which is derived from the modified local fractional calculus, is proposed in the present paper. Its iterative function is obtained and the convergence of the iterative function is discussed. The comparison between the classical Newton iteration and the local fractional Newton iteration has been carried out. It is shown that the iterative value of the local fractional...
The single observation passive location is the technique used by a single observation to determine the position and velocity of an emitter from the electromagnetic wave emitted by a target. The key point is how to obtain the position and the velocity of the emitter with high speed and precision. Up to now, two popular passive location methods have been put forward. They are Bearing-only (BO) and phase-difference...
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