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- Simulation results show that the whole oversampling D/A converter, the modified halfband filter and the novel analog switch are fully functional and suitable for digital audio applications. 本文所设计的过采样D/A转换器，以及所提出的优化子滤波器级联结构和MOS模拟开关均通过仿真验证，满足数字音频应用的要求。
- The coefficients in FIR filters are translated into CSD coefficients to reduce the number of adders and registers in halfband filter. 滤波器的系数采用了CSD编码技术，用移位相加代替乘法运算以减小硬件规模。
- Design multi-stage decimation system on the basis of Halfband filters and CIC filters. 在半波带滤波器和CIC滤波器的基础上设计了多级抽取系统。
- The emphasis of research is decimation technology. Design CIC filters and Halfband filters with this theroy. 重点研究了抽取技术，并将这种技术应用于数字中频系统，设计了CIC滤波器和半带滤波器；
- symmetrical halfband filter method 对称的半带滤波器法
- Simulation results show that the maximum passband ripple of the two cascaded halfband filters is 5.719e-5dB, and their minimum stopband attenuation is 112.4dB, which satisfy the design specifications. 仿真结果表明，两级半带滤波器级联后通带最大纹波为5.;719e-5dB，阻带最小衰减为112
- You need to filter the drinking water. 你需要把饮用水过滤。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- The news of the defeat started to filter through. 战败的消息开始传出来。
- It won't take long to filter the coffee. 用不了多少时间就可以把咖啡过滤好。
- I took this picture with a red filter. 这张照片我是用红色滤光镜拍摄的。
- We usually clear the water with a filter. 我们通常用过滤器使水净化。
- halfband filter 半带滤波器
- Put the coffee in the filter and let the water run through. 把咖啡倒入滤器里让水流过。
- The filter cleans the fuel before it enters the engine. 在燃料进入发动机之前，过滤器先把它过滤。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- Filter out all the dirt before using the water. 在用水以前先将其中不清洁的东西过滤掉。
- Filter selection is made using inherent spectra. 滤色镜的选择必须利用固有光谱。
- Charcoal is used to filter water. 木炭是用来过滤水的。
- The particles can be collected on the filter paper. 颗粒可捕集在滤纸上。
