Abstract: Based on the IR emission theory of Magnesium/Teflon/Viton(MTV),IR emission features of MTV are described and spectrum radiation properties in time domain are given.Countermeasure features of MTV flares are also analyzed in detail.Finally,some ways to extend radiation spectrum are proposed.

Abstract: Traditional method to assess risk for optical imaging reconnaissance satellite is satellite-on-air forecast, and it is simple to operate but has false alarm.A method to calculate discovery target probability of satellite is proposed.STK tool is adopted to give an example simulation,and some key influencing factors to discovery tar- get probability of optical imaging satellite are presented.

Abstract: The output process of CCD video signal and its characteristics are analyzed at first,according to these characteristics,the DC component elimination circuit,low pass filter and readout noise disposal circuit of CCD signal are designed.The conversion of faint video signal into standard voltage signal is realized.The simulation results of circuits are also presented using EDA software protel99 se.

Abstract: The reflection characteristic of the target surface to the laser affects directly the sense of the detector a- gainst the target to be attacked.By the research and analysis for measurement technology of laser target reflec- tion characteristic,two easy,practical and reliable test methods of target reflection characteristic are provided, and the different kinds of ground and air targets are tested practically,the reliability of the test result is finally certified.

Abstract: Based on the basic principle of laser pulse ranging,the precision and error of laser pulse ranging are analyzed and the correcting formula is given.It points out that the error is the main fact affecting the precision of ranging.Qualitative analysis of the precision and error of laser pulse ranging has been done and the approach to promote the precision of ranging has been put forward.It provides references for correct analysis of the unitary efficiency of the optic ranging finder.

Abstract: The technology principle of solar-based WLED illumination is introduced.The needs to be considered in the system design are analyzed by providing three typical applications of WLED illumination system based on solar photovoltaic power generation.And aiming at some existing problems,some homologous solutions are put forward.Finally,technologies in the development that we should particularly consider are the technique match- ing of solar energy and LED,and the matching in the whole system design.

Abstract: The dynamic IR scene simulation is widely used to test and evaluate the performance of IR detector system,so its performance must be straightened as the development of IR detector system.The related technical requirement is introduced firstly.The present status of several classic types is presented.The work principle of four devices which are the suspended and membrane resistor array,the IR liquid crystal light valve,the Bly cells and the laser diode technology are analyzed in detail,and their advantages and disadvantages are achieved at the same time.A new method based on the Peltier effect to realize the dynamic IR scene simulation is proposed.Through the theory analysis,it can be concluded that there are advantages including wide dynamic scope,fast frame frequency,high resolution,good uniformity and dual-direction simulation when using it.

Abstract: The principle and the advantage of the fiber bragg grating vibration testing are introduced,and its mathematical model of measuring acceleration is established.A scheme of single point matching FBG demodula- tion is designed and demonstrated to measure low frequency vibration in construction,rock and soil engineering monitoring and so on.The demodulation of FBG detection is simulated and achieved via mathematical method and experiments.Low frequency vibration signal is modulated sine wave signal,which is analyzed through matching demodulation detection and signal spectrum.The experimental results are in agreement with the simu- lation,which proves that this method can detect low frequency vibration and is feasible.

Abstract: Some methods of counter active deception jamming of laser rangefinder are introduced.Through establishing mathematical model of counter active deception jamming,we analyze emphatically the jammer power needed when ranging small and large target and discuss some related factors.Two parameters are defined,in which one is beam divergence angle ratio of noise and signal,the other is integrative reflection parameter of aluminum diffuse plate.

Abstract: Military reconnaissance of modern times comprehends more and more spectral information,so customary calculation methods of chromatic target detection probability hardly satisfy the demand of target camouflage testThe calculation methods of target detection probability are presented and a calculation method of target detection probability by chromatic difference is givenThe experimental results indicate that the calculation method is more capable of reflecting the real information of target

Abstract: The principle of ignition of xenon short arc lamp is introduced and the right ignition mode is selected through the comparison of different kinds of HID lamp trigger.The available ignition circuit for large power xenon short arc lamp is improved to match direct low voltage supply and the new igniter can be used with DC power on board.

Abstract: The weld seam image acquisition and processing system by VISUAL C++6.0 is developed and is applied to extract the feature of laser welding image,which is shot by the charge-coupled device(CCD) video camera.According to the laser image characteristics,two different sets of identification programs for processing of the laser welding image are adopted.The former is the detection of median filter-Laplacian sharpening-Sobel edge detection-centerline extraction.The latter is the detection of smoothing filter(average template)-adaptive threshold segmentation-Krisch edge detection-centerline extraction.The comparison of the experiment results shows that the latter is a useful way to finish the feature recognition of laser welding image.

Abstract: The physics meaning for the laser radar cross section is discussed.The principle for contrast measure- ment at present engineering application is analyzed.The measurement problems in large target measured project are pointed out.Based on laser radar scattering section equation and the physics definition.two theoretic meth- ods and together with ideas are put forward.The conclusion could be used as referenced to measure the LRCS of large target.

Abstract: When we apply scatter reflection target and CCD imaging sensor to measure the laser of far field power density,we can only achieve the relative distribution for power density.A kind of method which combines CCD imaging sensor with distributed laser detector is put forward in order to measure the absolute distribution of laser power density,and the system of principle of operation,structure and key technique etc are analyzed.The experiment proves that this system accurately carried out measuring the laser of the far field power density and has widely practical value.

Abstract: The fibre image bundle has many advantages,such as direction changing and long distance image transmission without extra optics.Using of fibre image bundle rather than traditional fixed optical system,combining with digital light processing(DLP) technique,a new miniaturized programmable patterns projector with universal flexibility is developed to solve the structured light projection problem of 3D surface profilometer for small objects within a limited space.A structured light projection system is set up,which can project multi-mode fringes by programming,including,e.g.,dot,dot matrix,single line,parallel lines,crosshair and concentric circles,etc.The end dimensions of the projection unit are φ13mm×40mm.The possibility of the design is proved.

Abstract: Based on photodiode route recognition,two kinds of smartcar's servo control methods are presented which are hardware close loop method and software open loop method.The servo's arm is to be lengthened in order to improve the response of the servo and upgrade the smartcar's property of route recognition and anti-jamming.

Abstract: A face detection method based on skin color space mapping,a nonlinear color transformation and FCM dynamic clustering algorithm for color images in complex background is presented.First,the color space is mapped and then nonlinear color transformation is made.After that,skin model is used for segmenting regions in which may have faces.Then,line code is used for drawing the eigenvector of area from the images which are segmented.At last,FCM dynamic clustering method is used for detecting the areas of human faces from complex background The experimental result of segmentation by means of the new algorithm is satisfactory.

Abstract: An algorithm based on Genetic Algorithm(GA) for solving fuzzy relation equation,which means the inverse problem of fuzzy synthesis judgment,was proposed.The algorithm can be used to find approximate optimal solution of fuzzy relation equation effectively whatever the composite operator is,so it is robust and adaptive.The simulation results show that the algorithm is valid and practical.

Abstract: Distortion always exists in optical image-forming system,especially in a large field of view.The distortion should be corrected to obtain precise image.This essay analyses the correcting theory in optically imaging system.A new method called concentric ring,for calibrating the center of the distortion is adopted; according to the selection of relationship between the undistorted-to-distorted,and polynomial fitting,the relation function of non-linear transformation in the optical system is settled,then programming to obtain the location and the shade of gray transformation of every dot,then the correcting process is completed.

Abstract: The characteristics of expansive graphite were briefly discussed.The attenuation elements of expansive graphite were analyzed.The factors such as expansive graphite for expansive-cubage,granularity and concentration which can affect the attenuation characteristic were studied.It's discussed that the expansive graphite has a better synthetic performance than the conventional millimeter attenuation material.The results show that expansive graphite is a new millimeter wave interfering material which has better prospect.

Abstract: The Dempster-Shafer(D-S) theory of evidence is an important tool of uncertainty reasoning,and multisensor data fusion object identification based on D-S theory of evidence is widely used in decision data fusion systems.The DS theory of evidence and D-S's rule of combination are introduced.The program and decision methods of data fusion based on D-S evidence combination rule are described.D-S theory of evidence is used to identify the target based on data fusion.By comparing the simulation results of targets identification based on separate data and fusion data respectively,the advantages of this algorithm are testified because of its higher identification rate and better reliability.

Abstract: With the development of infrared decoy technology,surface-type decoy becomes an effective measure to jam infrared imaging guidance missile.Based on the study of space distribution and radiation characteristic of combustion mass,the surface-type IR decoy simulation model is built.