At first This paper formulates the necessity for depurating network information content, and introduces the history of information security and study point in information security. Also this paper analyses in detail the key technology of content filtering such as data frame capture, bridge, network protocol analysis and content analysis. And then this paper comes up with the solution for content filtering facing application layer which is based on the technology of protocol analysis and format conversion in combination with text filtering techonology of Multiple Patterns Matching..Also this paper amplifies on the design and the implement method of each module. Finally this paper introduces how the client of content filtering system manages the keywords and log and makes suggestion for the improvement of the system.
本文首先阐述了对网络信息内容净化的必要性，介绍了信息安全的发展过程以及当前信息安全方面的研究重点，详细分析了内容过滤的关键技术，如数据帧捕获、网桥、网络协议分析和内容分析等方面的技术，然后提出了在Windows2000下实现基于协议分析技术，结合多模式匹配的文本过滤技术，面向应用层的内容过滤解决方案，并给出了内容过滤引擎的详细设计以及各个模块的实现方法，最后介绍了内容过滤系统客户端对有害信息关键词和日志的管理以及对本系统改进的一些建议。
The software is comprised of three parts. The first part is simulating the magnetic field while the probe is working using the ANSYS finite element analysis software, providing the base for the probe design. The second part is analyzing and processing the acquisition data by Matlab software. The signal is smoothing and filtering through the method of numeral synchronous accumulation, polynomial fitting, wavelet transform. It makes a preparation for picking the signal feature value. It can get the depth of the crack by using the difference between the peak value of the acquisition data on cracks and in air in the end. The third part is constructing a real-time pulsed eddy current system with InSb magnetoresistor through combination of LabWindows/CVI and Matlab to achieve the real-time online testing.
软件部分包括利用ANSYS有限元分析软件仿真探头工作时，在周围空间产生的磁场分布，为探头的设计提供依据；利用Matlab软件实现对采集信号的分析和处理，通过同步累加、多项式拟合、小波变换等多种方法实现对信号的滤波与平滑，为信号特征值的提取作准备，最终通过裂纹处与空气中采集信号峰值的差值提取裂纹深度信息；利用LabWindows/CVI与Matlab相结合，构建实时的InSb磁敏电阻脉冲涡流检测系统，实现裂纹的实时检测。
Main Products has combined three-phase overvoltage protection, high-low-voltage reactive power compensation and filtering device, high voltage current-limiting fuse combination of protective devices, high-capacity high-speed switches, arc and over-voltage protection devices and power quality management products, all products have independent intellectual property rights.
产品主要有三相组合式过电压保护、高低压无功补偿及滤波装置、高压限流熔断器组合保护装置、大容量高速开关、消弧及过电压保护装置及电能质量治理产品，所有产品均拥有自主知识产权。
The discal filer realized the combination of surface filtering and depth filtering. The automatic switching over of filtering and cleaning process is realized.
盘式过滤器实现了表面过滤和深度过滤的组合，实现了过滤和清洗过程的自动切换。
The spent electroless nickel bath is regenerated by removing its hazardous components of phosphite radicals, sulfate radicals and sodium ions with calcium carbonate filtering bed in combination with ion exchange method.
采用碳酸钙过滤离子交换法，去除化学镀镍废液中的有害成分亚磷酸根、硫酸根、钠离子，使化学镀镍废液得到净化再生。
Combination is introduced at three different layers: feature layer, model layer and collaborative filtering algorithm layer, which reduces system complexity, shortens the computing time and improves scalability and recommendation accuracy.
在特征层、模型层、协同过滤算法层三个不同层次引入组合，降低了系统的复杂性和计算时间，提高了可扩展性和推荐准确度。
Thus, one focus of the glaucoma filtering surgery is the combination of antimetabolite and implantation.
因此，目前提高青光眼滤过手术成功率的主要手段之一就是植入物与抗代谢药物的结合。
Based on the deep study of the mathematics morphology elementary theory and primary algorithm, the paper studies that the open and shut combination filtering algorithm carry on denoise of zero sequence current signal.
本文在深入分析数学形态学基本理论和基本算法的基础上，研究利用数学形态开、闭组合滤波算法对零序电流信号进行滤波消噪。
A combination image enhancement algorithm is proposed in this system, which is the combination of histogram modification and high-frequency emphasis filtering. This algorithm can remedy the deficiency of the balanced method of the enhancement equalization, and can strengthen the detail of image.
采用了直方图均衡和高频提升滤波相结合的混合图像增强算法，该算法弥补了直方图均衡算法大量损失灰度层次的不足，并能够增强图像的细节信息。
The paper presents the polyphase filtering to correct the I/Q datum acquired in combination with the Synthetic Aperture Radar (SAR) signal processing by contrast with Bessel filtering.
该文结合合成孔径雷达信号处理，提出了多相滤波法来修正通过DPD获得的I/Q通道数据，并和Bessel滤波进行了比较。
In detecting and separating QRS complex, the author presents a combination method which combines technology by time-frequency wavelet, frequency domain filtering and the time-domain morphological analysis and verifies its feasibility.
在QRS波群检测分离时，笔者提出了结合时频小波、频域滤波和时域形态学分析的复合法，并验证了其可行性。
Qaidam basin in Qinghai Province, we carry out test research, and select a representative measuring point by using the combination generalized morphological filtering for processing.
在青海柴达木盆地开展了相关试验研究，选取了具有一定代表性的试验点进行组合广义形态滤波处理。
Speckle Compressing Based on combination of homomorphic filtering algorithm and Lee filter
基于同态滤波与Lee滤波器级联算法的散斑噪声压缩
Wavelet packet decomposition and homomorphic filtering were stated, and the point that the low frequency fault feature of the low speed and heavy-duty gear box was extracted at pertinence with the combination of wavelet packet analysis and homomorphic filtering was put forward.
对小波包分解和同态滤波进行了阐述，提出了利用小波包分析与同态滤波相结合对低速重载齿轮箱的低频故障特征进行有针对性提取的观点。
In this paper, we set up observation model and state model of the system aiming at autonomous navigation for satellite by a combination sensor with large field of view and starlight refraction, applying extended Kalman filtering theory.
该文针对基于组合大视场星敏感器星光折射的卫星天文自主导航方法，应用广义卡尔曼滤波理论，建立了月亮引力摄动下的系统状态模型和系统观测模型。
The utility model has the advantages of effective filtering and washing combination, double-layer sieve filter, simple structure and high filtering quality.
本装置过滤与冲洗有效结合、双层筛滤、结构简单、过滤质量高、适用范围广。
A worse-combination filtering analysis skill was proposed to handle the quantity explosion problem in the multiple failure condition identification.
针对多重失效状态数量的组合爆炸问题，提出组合劣化分析方法；
In the dynamic measurement, the nature frequency of the sensor was measured firstly by optical filtering in the plane of wave spectrum and Doppler scanning vibrometer. In combination with the numerical simulation method, the equivalent elastic modulus of the sensor was calculated.
在动态实验中，分别利用谱平面光学滤波法和多普勒测振仪得到微悬臂梁传感器结构的固有频率，再结合数值模拟计算求出传感器的等效弹性模量。
Bred a practical, stable sterility CMS, filtering out the high rate of outcrossing, with the strong advantages of combination, provide a more solid scientific basis and practical materials for large-scale application of polyploid rice.
已初步选育出实用性强、育性稳定的不育系，筛选出异交率高、配合力强的优势组合，为多倍体水稻大规模应用提供了更坚实的科学依据和实用材料。
Improvement to the old method formulated in this paper mainly lies in the combination of phase displacement method with frequency two-dimensional filtering in making operation. DMO correction by sectionally linearizing the phase-shift
本文对原方法的主要改进点是把相位移法与频率域二维滤波结合在一起进行运算。分段线性化相位移DMO方法