Evolution is a kind of innovation indeed. Computer numerical calculation, programming, data storage, knowledge reasoning are some aspects in the evolution progress of computer software. Computer software achieves its evolution by innovation transformation (forward)，which empowers the computer’s capability of solving problems. Innovation transformation is accomplished by regression transformation (backward), which maps the method of solving complex problems into the original function of computers. Though the computer is very powerful, its basic theory is quite simple and straightforward. 

Aiming at the problems with enterprises’ taking different reliable marketing strategies to maximize the customer value, it researched the extension knowledge mining software for customer value, based on extenics theory and extension datamining technology, described the software architecture and the designing principles of the main function modules, thus acquiring extension classification knowledge. The experimental results show the software has general and flexible ability concerning such aspects as data processing，the establishment of the evaluation system and calculation of the customer value, so it can satisfy different enterprises’ demands.

The flying kick in Nanquan was taken for example. According to 2003 Wushu competition rules, a threedimensional coordinate system was built, and the deduction rules of flying kick error action were given a formal description. Then the error function was established. Finally, the pointdeduction model for flying kick error action recognition was established and illustrated to help electronic referees to identify the quality of the action and to facilitate the competition score (group A) referees’ decision making.

It analyzes the basic structures of the error system, which include six basic types, series, parallel, expansion, contraction, containing and feedback. Then, the physical definition of things' destruction was given: T_HSW (things' destruction)→the non-existence of things→ nothing to be discussed. In other words, there's no need to discuss the things, for the things disappear, go extinct or they are killed, destroyed, fired, sold, thrown, transferred, moved and so on. And next, the logic rules of destruction transformation were described via corresponding logic connective, and the relationship between the system structure and error in the destruction transformation was quantitatively described by using error functions and structure function functions. Finally, the transformational system was presented.

The elevation transmission of sea surface is a difficult problem of leveling survey. The transmission of the water surface elevation measurements was successfully applied by using the total station leveling survey to measure the deformation of the dike project in Xiangshan County, Ningbo City. And the measurement method was verified by using GPS fitting height and the mean sea level. The results are reasonable.

By analysing the operating condition of space point measurement of IF strong magnetic field and computing the error of signal processing circuits, it finds out the major factors leading to errors. In order to improve the accuracy of the measuring instrument, real time property and antiinterference ability, an optimization method of combining hardware and software is presented. In the signal regulating circuit, the errors were significantly reduced by reasonably configuring the amplification factors of pre and post stage, relative resistor and using highprecision operational amplifier. Interference was suppressed effectively by employing two hardware and uniquely mean filtering methods. Via the use of the least square method to optimize data fitting parameters, errors caused by rectifier, filter and programmable amplifier circuit were reduced further, which improved the whole performance. The experimental results obtained by testing the optimized measuring instrument, show that measurement error is less than ±1.5%, consistency error is less than 1%, and real time property of measurement is also improved, which demonstrates the excellent effects.

The equivalent theory was used to analyze the flexural vibration of the nickel steel plate and the aluminum honeycomb sandwich plate. Experimental research proves that the lowest eigen frequency of the plate is proportional to the start transmitting frequency of transducers, and the modal density of the plate is proportional to the bandwidth of transducers. A ultrasonic transducer has been designed with an aluminum sandwich plate: under the 5 V signal, the start transmitting frequency is 15kHz, the bandwidth is 15~45 kHz, the sound pressure level is 95 dB，and the fluctuation of SPL is less than  5dB. However, the transducer is thin, the thickness is less than 2mm, the transmitting area is less than 500 mm2, and the transmitting sound signal is omnidirectional.  

In order to measure the surface profile and distribution of deformation of polymer materials with variable curvature, threedimensional measurement system is constructed, based on fringe projection technology. After the high calibration of the system via the use of a new calibration method, the threedimensional profile of an EVA material sheet with an uneven surface was measured. A force was exerted to generate deformation of the sheet, and then its three dimensional profile was measured again. The distribution of deformation was obtained by the analysis of the data collected before and after the deformation. Thus, the surface profile and distribution of deformation of polymer materials with variable curvature were measured.

Microgrids play a very important role in utilizing the distributed energy resources more effectively and optimizing the distribution system structure. They have the potential to improve performance in power supply diversity, reliability and quality. The key laboratory develops the dynamic simulation platform for microgrids, based on CERTS Microgrid model. The distributed power generation, operation, control and protection of microgrids were studied on the platform. Experimental  results show that the converter of the doublyfed power generation system has better controlling performance.

To overcome the problem of low accuracy and easily falling into local optimum, the local extreme caused by too much variety and high dimension of control variables, it proposes a new type of particle swarm algorithm, based on virtual extreme for reactive power optimization. The algorithm adopts the Monte Carlo simulation technology to the initial population selection to ensure the diversity of value. The impact factor was added, and the optimization parameters were set according to the control variables. The virtual global extreme was introduced to help particles jump out of the local optimum. At last, the proposed algorithm was applied to the IEEE-14bus system. The comparative results show that this virtual extreme particle swarm optimization algorithm has better search capability and higher degree of convergence for reactive power optimization.

It designs a coaxial cavity band pass filter, achieving small size and high isolation with a new crosscoupling structure. It has been optimized and simulated by HFSS and microwave office software. The application of the method in design and cosimulation improves efficiency, especially for complex filters, and it greatly narrows the production cycle, thus saving cost. These excellent features, including small size, wide band, high isolation, low insertion make it a promising candidate in the future of wireless communication.

In order to eliminate the disadvantages of current fast dynamic channel allocation algorithm with no priority of data service in TDHSPA system, it proposes a new dynamic channel allocation algorithm, based on the Mobile Internet. In the proposed algorithm, different priorities were set through data traffic transmission delay sensitivity and rate, and the method of resource sharing was proposed, which made movable boundary dynamic channel allocation strategy more flexible. Simulation results show that the algorithm ensures to serve realtime and high rate data users first, improving the utilization efficiency of shared resources.

An improved twolevel text classification method is proposed, based on feature extraction. First, the characteristics of the text were extracted, and the weights were calculated. Then, the text was represented as a vector composed of characteristics and weight value. The vector angle cosine was used to calculate the similarity among the text so as to position the vast amount of information more accurately and rapidly. The experimental results show that the proposed classification method is superior to the existing center classification method in accuracy of classification, improving the adaptability and classification ability of the system.

It utilizes ideas of cycle embedding in star graphs with conditional edge faults to solve the problem in (n,k)-star graphs. The problem can be solved in two cases, and it is proved that faultfree Hamilton rings can be found  in S_n,2, with |f|≤n-3, and n≥4. 

It introduces two different kinds of function space, probability space and proper orthogonal space, both of which are used to describe the physics motions of Burgers equation. In order to discuss the distance between them, it proposed a problem involving the minimum average distance between probability space and proper orthogonal space. Here, simulated annealing was used to solve this problem. Besides,  by applying the minimum average distance, an approximate solution to Burgers equation was attained through the linear combination of basis functions of proper orthogonal space.

For a class of uncertain nonlinear systems, based on the universal approximation property of fuzzy logic systems, a tracking controller was designed to track a given sign in the nonlinear system, based on the adaptive fuzzy logic system. First, the Mamdani type fuzzy logic system with the parameter adaptive laws was designed by utilizing the data information sampled from the input and output of unknown functions in the nonlinear system. Then this fuzzy logic system was introduced into a kind of controller to get a fuzzy tracking controller. Finally, it was simulated. The simulation shows the validity of the method.

Based on the definition of dollarcost averaging, the investment strategy was analysed quantitatively. The expression about the rate of stock return was achieved, and the main influence factors of stock yield were summarized through mathematical analysis. The investment strategy ensuring profit in the way of the dollarcost averaging was concluded: finding the company with well growth, choosing the security with lower costs according to the intrinsic value, and persevering in longterm investment by following the trends of the company growth. An empirical analysis has been conducted to verify the credibility of these principles. Generally, dollarcost averaging can not always assure the profit, but it provides the stock investor with an investment strategy to guarantee profit.

To analyze the capillary effect on the liquid vapor separation in liquid vapor separation condenser, a mathematical model has been established. The effects of static pressure, gravitational force, capillary pressure and shear stress  were included in the model, and the effects of different orifice diameter, number, their combination, inlet quality and flow rate were researched. The results show that orifice diameter and orifice number have similar effects on performance. The liquid film height decreases while the diameter or number increases. The film height disappears when the diameter is 1.3 mm and the number is 8. But inlet flow rate and quality have opposite effects. The film height disappears when the quality is 0.5 and flow rate is 0.058 kg/s.

In order to explore the effect of the peel powder on the removal of dye wastewater, using peel powder as absorbent material，the simulated wastewater was collocated with the neutral red. The effects of such factors as dosage of peel powder, shaking time, the initial concentration of neutral red, temperature and so on, were investigated. The results show that when the temperature is 30 ℃, the removal rate of neutral red reaches more than 80%, the maximum absorption capacity is 49.20 mg/g in the neutral red concentration of 150 mg/L, peel powder 0.3 g/100 mL, shaking 60 min. The isothermal absorption equation and secondary absorption rate equation of Temkin can be used to describe the absorption process of peel powder to neutral red, and the main absorption process is physical absorption.