The Intercepting filter pattern wraps existing application resources with a filter that intercepts the reception of a request and the transmission of a response.
拦截过滤器模式用一个过滤器封装了已有应用资源，这个过滤器拦截了请求的接收及响应的传递。
2
Aiming at the noise in image transmission, the system adopts filter technique of local arithmetic operators to enhance the image quality.
针对图像传输过程中的噪声，系统采用了对噪声图像使用局部算子的滤波技术来提高图像质量。
3
Such aspects get involved in as the acquisition, amplification, filter and AD conversion as well as the principle and structure of USB transmission circuit.