射频环境设计和实现采用面向对象的方法，具有模块化、接口简单、可扩展性、易于效应模型的添加和替换等特点。
Designed and realized using OO method, the rf environment was characterized by modularization, simple interface, expandability, and easy substitution of effects models.
熟悉射频测试环境和设计和指标的定义。
Be familiar with RF test environment design and criteria definition.
由于室内无线传播环境的噪声随机性干扰比较大，在设计射频识别室内定位应用系统时，高精度定位算法的研究显得十分重要。
In the design of RFID indoor location system, due to the existence of serious random interference in indoor radio environment, it is very important to have location algorithms with high accuracy.
分析了硬件环境对IC射频读写系统的影响，讨论了天线可靠性设计。
Additionally, to analyse the influence on the Wireless IC smart card reader and writer system exerted by hardware circumstance, and to discuss the reliability of the antenna design.
采用小尺寸低功耗的射频芯片结合实际环境设计出螺旋结构天线，选择合适的频率，天线在轴向方向得到最大的辐射能量。
A helix antenna was presented together with low power RF amplifier, as the frequency fitted, the axial direction can obtain largest radio energy.
采用小尺寸低功耗的射频芯片结合实际环境设计出螺旋结构天线，选择合适的频率，天线在轴向方向得到最大的辐射能量。
A helix antenna was presented together with low power RF amplifier, as the frequency fitted, the axial direction can obtain largest radio energy.
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