本文提出了一个应用于软件无线电的四阶可重构模拟基带滤波器。
This paper presents a 4th-order reconfigurable analog baseband filter for software-defined radios.
跟随着RX信号路径，我们会依次讲解低噪声放大器，混频器拓扑和基带滤波器。
Following the RX signal path, low noise amplifiers, mixer topologies and base band filters are presented.
介绍了IS- 95A前向信道使用的基带滤波器，利用MATLAB软件对滤波器的系数量化进行了计算和仿真。
The paper mainly introduces the baseband filter used for the IS - 95a forward channel, calculates and simulates the coefficient quantization of the filter utilizing the MATLAB software.
对宽带线性调频源中基带信号产生时所用的低通滤波器进行了设计。
This article has designed an elliptic low pass filter for the generation of base band signals in a wideband chirp source.
提出了一种能够抑制多径干扰的基带波形设计方法，该方法是通过保持传输信息速率不变，在成形滤波器第二个零点叠加信号来实现的。
A waveform design method that can restrain the multipath effect was proposed. It was achieved by placing signal on the second zero point of waveform filter and keeping the information rate.
基于直接下变频的系统架构，接收机集成了低噪声放大器、I/Q下变频器、去直流偏移滤波器、基带放大器和信道选择滤波器。
Based on a direct-conversion architecture, the receiver integrates LNA, I/Q mixer, DC-offset removal filter, baseband amplifier and channel-select filters on a single chip.
现代数字通信中广泛采用平方根升余弦滚降数字滤波器作为基带成形滤波器和匹配滤波器。
Square-root raised cosine roll-off digital filter was widely applied to baseband shaping filter and match filter in modern digital communication.
提出了一种将正交调制LFM信号产生系统的幅相误差映射到基带后，在数字域利用复系数FIR滤波器进行校正的方案。
The errors are classified according to their frequency. The amplitude and phase errors of the LFM signal generators using quadrature modulation technology are mapped into baseband.
提出了一种将正交调制LFM信号产生系统的幅相误差映射到基带后，在数字域利用复系数FIR滤波器进行校正的方案。
The errors are classified according to their frequency. The amplitude and phase errors of the LFM signal generators using quadrature modulation technology are mapped into baseband.
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