查询词典 filters

Digital channelized receiver is a typical application of software radio based on polyphase filters.

数字信道化接收机是基于多相滤波的软件无线电的典型应用。

For the polyphase codes with arbitray phase, an optimal design method combined with pulse compression filters is proposed.

针对具有任意相位的多相编码信号提出一种编码信号与脉压滤波器联合优化的设计方法。

In this paper, quadrature processor based on the polyphase filters and channelized receiver with polyphase filter - banks are studied in detail.

对基于多相滤波的正交处理器和多相滤波器组信道化接收机进行了详细的研究。

For this purpose, this paper first analyzes the improved algorithm of complex polyphase filters and its mathematical module, which meet the requirement of receiving signals without leaking.

针对这一问题，首先分析了复信号多相滤波器无盲区算法及其数学模型，实现信号的全概率捕获。

The design, implementation, and characterization of an image-rejection double quadrature conversion mixer based on RC asymmetric polyphase filters are presented.

本文介绍了一种基于阻容多相滤波器的双正交镜像抑制混频的设计、实现和测试。

Pont source spray purification system Co., Ltd is currently the potential for development than with the air filters and filter powders manufacturing enterprises, we have advanced automatic production lines and advanced testing equipment factory.

蓬源喷雾净化系统有限公司是目前国内较具有开发潜力的空气过滤器和粉体过滤器生产企业，我们拥有先进的全自动生产线和先进的出厂检测设备。

Examples of second order and higher order filters are presented respectively. Simulation results show POTA allows the programmability of the cut-off frequency and Q of the active filter. It will improve the flexibility of active filter and reduce the cost of development.

最后，本文对可编程二阶和高阶连续时间有源滤波器设计分别进行了理论推导和分析，给出了设计实例，实现了模拟滤波器的程控化，提高了其使用范围和灵活性，降低了开发成本。

Samples in transitions of filters are optimized, which solves the problem that values obtained by look-up table method are not optimums. Aiming at prematureness appearing easily when GQA is used to optimize continuous functions with many peaks, IGQA is proposed.

针对遗传量子算法在优化连续多峰函数时易出现早熟的问题，提出一种改进遗传量子算法，典型函数测试表明，IGQA的性能优于GQA和其它几种遗传算法，收敛速度快，全局寻优能力强，能有效地克服早熟现象。

Without increasing the length of pulse compression filters, a nearly optimal peak sidelobe level is achieved by the presented method at the cost of less loss in process gain.

该方法在不增加脉压滤波器长度的情况下，以很小的增益损失为代价获得了接近理想的峰值旁瓣电平。

The more filters you have, the more water you will get purified in a short period of time.

越多过滤器您有，更多您在短的时期将得到净化内的水。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。