In order to make the laser interferometer can be used more conveniently in practical environment due to the problems of the loss of interference fringes when the velocity changes quickly in VISAR system and the high cost of the complex structure of the system, AFVISAR system is simulated and analyzed, combining with the optimized improvement of the experimental platform, the dual-coupling improved AFVISAR system based on single-mode fiber in the wavelength of 1 550 nm is proposed. The coefficient R2 of the regression relationship between the measured value and the real one is close to 1 and the error of measured velocity is limited less than 1%. The theoretical analysis and the experimental results show that the improved system is characterized by small power, low insertion loss and low cost and it can be easily coupled by other optical fiber devices and be modified by the datumization of computers.

From the basic principle of the electro-optical hybrid ignition system and based on the comparison of two basic plans of the electro-optical hybrid ignition, the energy and the password independent transmission are constructed, the overall scheme of the electro-optical hybrid ignition system controlled by password is used respectively by the source and ignition. The advantage and disadvantage of two interface types between the light source and ignition system based on the dual fiber system are compared. The construction of the system follows the principle of safety design and also considers its realizability. The characteristics of the various components are analyzed and their performances are tested and analyzed.

The single anti-ship missile guidance system has not met the requirements of the modern sea warfare, so it is very important to develop the multi-mode compound seeker, to improve the target recognizing, anti-disturbing and penetrating ability for the anti-ship missile. Aiming at active radar/infrared imaging compound guidance, the features of the non -common aperture and common aperture technology are discussed. The coaxial and common aperture is the ideal method and the development direction. The target acquisition and tracking can be realized under the complex conditions by the time and space registration, fusion detection, data association, fusion identification and fusion tracking.

Based on the introduction of the jamming mechanism of the decoy for terminal-sensitive projectile, the analysis of the influence factors of the terminal-sensitive projectile hit probability and decoy jamming effectiveness, the model of the decoy jamming effectiveness evaluation is established. The concept of the falling rate of the hit probability and its expression are proposed. The falling rate of the hit probability concerns with the detectivity of the terminal-sensitive projectile, the decoy jamming characteristics and the operational area background characteristics. The test method of the decoy jamming effectiveness evaluation is discussed.

According to the leveling requirements of the different photoelectric test equipments, on the basis of analyzing the leveling theory, a general four-point automatic leveling solution is proposed, and the hardware and software designs are given, which can be used in the automatic leveling of all kinds of photoelectric test equipments. Automatic leveling system can integrate obliquity sensors, controller and leveling mechanism into an organic whole, according to the dip angle from the precise obliquity sensors and the leveling angle error theory, the outrigger displacement is converted to the required numbers of pulses which drive the stepping motor. The pulse signal which can be used to drive the motors is generated from the DSP controller，so the equipment can be adjusted to level by the screw retraction. This solution is rapid, accurate and reliable, which has the good value.

The formation and development history of prognostic and health management (PHM) are reviewed, the differences between PHM and traditional test technology are compared from leading idea, key technology, application level and fault response method. The basic principle of PHM is discussed. The condition based maintenance (CBM) is proposed by introducing the health status classification and health degradation process of the system, the differences between CBM and breakdown maintenance and periodic maintenance are also analyzed. According to the capacity requirement of PHM, the task and flow are discussed. Aiming at the typical PHM technology based on the sensor system, the system composition is introduced, and the selection principle of the sensor system is studied combing with the practical application. Some advice about key technologies such as PHM method and selection of monitoring parameters are given.

According to the problems of the food safety in recent years, the principle of the near infrared spectroscopy (NIRS) analysis technology, the classification, comparison, research and application of the NIRS instruments in food quality detection are introduced. Meanwhile, a new food safety network test and analysis system is proposed, this system is composed of near infrared spectroscopy instruments based on the acousto-optic tunable filter (AOTF), and compositions, principles and technical features of the spectroscopy instruments are also introduced. In addition, its application prospects in the field of food safety are also showed. Some suggestions on the future development of the near infrared spectroscopy are given.

Aiming at the target detection from tens to hundreds of meters, a project of receiving and processing of short-range pulse laser detection is proposed. The detection receiving optical system and automatic gain control curve are designed particularly, the combination focus of double lens is analyzed and calculated, and the receiving optical system is validated and optimized farther by the software simulation method. In the design of automatic gain control curve, for characteristics of AD558 chip, the designs of automatic gain control and amplifier circuits in CPLD chip are described, and the automatic gain control curve circuit is simulated. The experiment shows that the detection effect is very good.

In order to enhance the efficiency of imaging monitoring, the short-range ocean surface monitoring usually obtains the high-definition and high-resolution images under the low illuminance. Compared with the traditional infrared imaging monitoring, lidar is an active imaging technology, which can obtain the intensity and range image (4D image), so it has the high detection and recognition probability. The development status and technology advantage of U.S. streak tube imaging lidar (STIL) are analyzed. The principles of the flash type system, one-time imaging and high-speed data acquisition are discussed. The streak tube imaging lidar can be used in the short-range ocean monitoring, and can also be combined with other sensor, such as passive infrared and microwave radar to improve the monitor efficiency.

The Internet of things is a current hot topic, and optical fiber sensor technology application in the Internet of things has already caused wide concern. The Internet of things is consisted of four levels. They are user and application interface, data processing technology, data transmission network and sensor network. A large number of varied sensors are needed in the Internet of things. Sensor can perceive all kinds of environmental parameters like temperature, gravity, photo-electricity, sound, displacement and vibrate to provide the original data information. The structure of the sensor, classification, and its applications in the Internet of things like optical fiber gyro, optical fiber hydrophone, optical fiber grating sensor and optical fiber current sensor are introduced. Forefront application in the Internet of things of continuous distributed optical fiber sensing technology based on Brillouine effect is also introduced.

The electrode pattern of the optimal design for the solar cell can get the high photoelectric conver. sion efficiency. The optimal design of the screen-printed electrode in the crystalline silicon solar cell is introduced with the example, and the relation among the power loss in the solar cell, the diffusion sheet resistance and the width of the thin grid line is discussed. On the basis of the original design, the ideal solar cell grid line is designed. The optimal solar cell can reduce the total power loss caused by the electrode design, and increase the photoelectric conversion efficiency of the cell.

The multi-tapped wideband optical fiber delay line with the practical value and the adjustable step delay is introduced. Firstly, the advantage, working principle and basic structure of optical fiber delay line are introduced. Then the gain, bandwidth, dynamic range and distortion index of the optical fiber delay line are analyzed, and the design and implementation of the optical fiber distribution network are discussed. Finally, the multi-mapped wideband optical fiber delay line is tested, and the test method and result are given. The multi-mapped wideband optical fiber delay line is also compared with other international and domestic products and its application prospect and application field are described.

With the development of the optical fiber sensing technology, this technology is researched and applied in various fields. The latest progress of the optical fiber sensing technology and application development in some fields are summarized. The principle, advantage and disadvantage and research direction of the fiber grating sensor, arrayed fiber sensing system, distributed fiber sensing system and fiber sensor with the intelligence structure are introduced, they are the current hot topics. The application trends of fiber sensing technology in military, perimeter security, engineering application and electric power industry are introduced. The future of the optical fiber sensing technology is prospected.

The optical beam splitter based on metal nanoslits containing nonlinear materials is designed and optimized. Finite-difference time-domain (FDTD) method is employed to numerically simulate optical beam splitting properties of TM-polarized plane wave with a wavelength of 850 nm via subwavelength silver nanoslits containing nonlinear materials InGaAsP. The results show that the number of output ports or energy distribution can be adjusted simply by changing the width, number or order of the nanoslits. The number of output ports can be dynamically controlled by changing the intensity of incident light. The symmetric structure of seven nanoslits possesses 1×5 symmetric optical beam splitting properties. Due to the more compact architecture, more output ports and the dynamical control method, the devices are important for potential applications in micro-nano photonic integration and optical communication.

The metabolomics dataset is disturbed by various stimuli inevitably. The main task for metabolomics data preprocessing is to reduce the impacts of the disturbing factors. In present work, the formation of data variance and their distribution in feature space are analyzed. Furthermore, a new method to filtrate unknown disturbing factors is proposed and the significance of interesting factors is improved. The efficiency of the new filtering algorithm is estimated by real metabolomics dataset. Comparing with orthogonal signal correction (OSC) method, the experiment shows that the new method is superior in reducing unknown disturbing factors and retaining useful information and intrinsic individual differences in organisms. In addition, it can also prevent the overfitting of model and make the subsequent statistical analysis more reliable.

A new scene-based nonuniformity correction (SBNUC) algorithm using spatial transform relationship between adjacent image frames is proposed. Based on spatial transform relationship between adjacent image frames, the gray value of current frame can be got by the weighted combination of some corrected pixels in the former frame. Moreover the gain and the offset are adaptively updated with the respective error gradient. The algorithm can avoid ghosting artifacts without considering other conditions. Corrected results of real infrared image sequences show that under the condition of ensuring image sharpness, the algorithm can decrease FPA nonuniformity high frequency information for increasing the image contrast, meanwhile bad pixels can be compensated automatically. This algorithm is proved to be stable and robust theoretically and practically.

The application background of ATE test platform and the necessity in the test maintenance of the electronic equipment are discussed, and the function, the composition and the working principle of ATE test platform are also described. The composition of the test program set (TPS) and the development and the design on the ATE test platform are introduced. Taking the current output control equipment for example, TPS development and design are discussed. On the basis of analyzing the test requirement of the current output control equipment, the test unit adapter (TUA) and the test program (TP) in TPS development are designed. The application of TPS shows that ATE test platform can test the current output control equipment and diagnose the fault.

In view of the conflict between the real-time property and high speed digital image processing system, the real-time image processing system based on multi-DSP(digital signal processor TMS320C6416)and FPGA (field programmable gate array) is designed. The selection of hardware source, basic components, working principle, power supply design, DSP boot loading principle and software design of the system are introduced. The experimental result indicates that the system meets the requirement of real time high speed digital image processing by 640×512 pixel, 14-bit, 25 frame/s digital image. At the same time, the higher speed DSP (e.g. TMS320C6455 series) can realize the more complex real-time image processing.