To solve the problem of small infrared target detection under complex backgrounds, an effective algorithm based on saliency analysis in frequency domain is proposed. The infrared target is usually more significant than backgrounds

Fast and effective image denoising is critical for improving the accuracy of laser active imaging guidance.Focusing on the speckle noise in imaging,a denoising algorithm based on the combination of improved wavelet threshold denoi

Considering the application limitations of the current grouping consistency protocol,we proposed a fuzzy C-mean clustering algorithm and a new kind of grouping-consistency algorithm based on the information interaction between the

To reduce the negative impacts of strong coupling of attitude dynamics,a coordination controller is proposed for the attitude dynamics of a hypersonic flight vehicle.Based on the variable coupling degree matrices,the coupling entr

The design and optimization of active phase of the missile are very important for improving the missile's firing range. Taking the two-stage missile as an example, the trajectory optimization model of missile active phase is estab

This paper addresses a novel method to solve the three-dimensional pursuit-evasion game of Unmanned Aerial Vehicles (UAVs).Since this method combines the variational method with the pseudo-spectral method,it belongs to a semi-dire

The performance of tracking algorithm may be seriously degraded due to the sudden state change of target.To improve the performance for maneuvering target tracking,a weight-based multi-innovation amendment algorithm with maneuveri

The deployment of heterogeneous sensor networks is more complex than that of the homogeneous sensor networks,for which the influence of the heterogeneity of nodes should be taken into full consideration.Particle swarm optimization

To intercept high-speed maneuvering targets,a three-dimensional guidance model is built taking the autopilot's dynamic characteristics into consideration. To solve the problems of the strong nonlinearity and uncertainty of the gui

The technique for building multi-sensor coalitions is studied.With consideration of the precision and energy consumption requirements for single target detection,the specific process for building multi-sensor coalition is presente

In order to solve the problems that nonlinear static output feedback H∞control design process is complex,and its difficult to obtain the globally optimal solution and so on,a new approach is presented to design the controller.An

Considering the complexity of ARINC661 cockpit display and control system in realizing target symbols,and the heavy workload of DF developer,we studied the user-defined widgets and parameter interfaces on the basis of ARINC661 spe

The probability of flight conflict is increased because of the increasing of flight flow and uncertainty of flight route.Considering the problem of redundant operation caused by a large number of non-related objects,a preprocessin

Visual odometer technology is a navigation mode using only scene image information to calculate the motion parameters, which has good development prospects in positioning and orientation of the autonomous intelligent vehicles. In

In order to verify the function of health management of Integrated Modular Avionics (IMA),a method of fault injection through AFDX network is proposed.This method contains a way to configure fault data and a data transmition strat

The composition and working principle of the airborne laser communication system are introduced,and analysis is made to the key technologies of the system.Based on the characteristics of airborne platform,the airborne laser commun

The detection and recognition capability can be improved by using infrared dual-band imaging to obtain more information.The application of multi-layer Diffractive Optical Elements (DOEs) in infrared dual-band optical system can co

The sharing signal of radar-communication integration of Orthogonal Frequency Division Multiplexing (OFDM) with direct information modulation has high autocorrelation sidelobe and thus may degrade the target detection performance.

To design a commonly-used radio navigation signal simulator,and realize the miniaturization and digitization of test equipment of microwave landing system,a programmable and real-time microwave landing system signal simulator was

When the statistical characteristics of the system noise and measurement noise are indefinite,the estimated values of the two kinds of noise based on Adaptive Kalman Filter (AKF) are relevant,which does not conform to the reality,

Aiming at the problem of self-stabilizing flight and trajectory tracking control for quadrotor aircraft, a multi-modal sliding-mode attitude control and a new back-stepping recursive trajectory tracking control method are proposed

To guarantee high image quality of astronomical observation,high-precision stabilization system is needed for space telescope.The control of Large-Aperture Fast Steering Mirror (LAFSM) is the key for realizing precise image stabil

The unmanned helicopter is a special unmanned aircraft with a broad application prospect.However,the unmanned helicopter itself is a multivariable,nonlinear control system with strong coupling and many uncertainties.In this paper,