设计了基于单片机和RS- 485的手持操作通讯面板在有源滤波器中应用设计。
Is designed based on Microcontroller and RS-485 hand-held operation of communications panel in active filters applications.
本文介绍单片晶体滤波器在移动通讯设备中的用途及特点，给出了其设计的基本方法。
In this paper, the feature and application of Monolithic Crystal Filter (MCF) in mo-bile Communication equipments is introduced. The method of MCF design is given.
描述了基于AT89C52单片机、锁相环和开关电容滤波器的正交信号发生器的设计和实现方法。
The design and implementation of quadrature waveform generator are described based on the AT89C52, phase-locked loop(PLL) and switched-capacitor filter(SCF).
然后利用单片机对MAX264编程，实现低通、高通及椭圆滤波器。
The high pass and low pass and ellipse-filter are realized by the medium of the MAX264 s programming.
基于对心电图原理及其诊断技术的理解，设计了由前置放大器、滤波器和单片机内嵌的AD转换器组成的输入通道。
With the understanding of the principles and diagnostic technique of electrocardiograph, the input channel is constructed with preamplifier, filters and the ADC of the microcontroller.
带通滤波器通过单片机实时调整中心频率，对信号中各种干扰起到较好滤波效果。
The noise of the signal is effectively restrained because that the center frequency of the band pass filter is adjusted by the processor.
完成了输出幅度均衡的单片机控制流程设计，对椭圆函数低通滤波器的幅频特性进行了计算机仿真，并对整个方案中的各环节进行了分析。
As the result of go though this process, I also simulate the LPF feature of amplitude-frequency by computer, and make analysis each step in the over-all scheme.
完成了输出幅度均衡的单片机控制流程设计，对椭圆函数低通滤波器的幅频特性进行了计算机仿真，并对整个方案中的各环节进行了分析。
As the result of go though this process, I also simulate the LPF feature of amplitude-frequency by computer, and make analysis each step in the over-all scheme.
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