Miniaturization of multi-arm multi-mode spiral antennas for GPS applications

用于 GPS 应用的多臂多模螺旋天线的小型化

• 批准号: 469454-2014
• 负责人: Shafai, Lotfollah
• 金额: $ 1.82万
• 依托单位: University of Manitoba
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2014
• 资助国家: 加拿大
• 起止时间: 2014-01-01 至 2015-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=563504
• 关键词: Miniaturization; multi; arm; mode; spiral

The Global Positioning System, GPS, is used in many applications for surveying, location identification, navigation, vehicular speed calculations, mapping and other novel devices. There seems to be no limit in its utilization, and new applications become implemented or proposed regularly. One of the reasons for its popularity is the availability of GPS signals for common use and ease of use. However, in most applications the receiving device is mobile or is in an unattended location that requires low energy consumption and longer battery life. The system must also be low cost, which excludes large and sophisticated electronics for signal processing, and interference mitigation. These conflicting requirements discourage the use of active devices and transfer some of the signal processing to passive components, especially antennas. Antenna arrays can reduce or overcome interference problems, but require larger space for implementation. One of the critical challenges in design of the next generation advanced GPS systems is in developing reduced-size low cost antenna arrays with enhanced performance.

全球定位系统（GPS）用于测量、位置识别、导航、车辆速度计算、绘图和其它新颖装置的许多应用中。 它的使用似乎没有限制，新的应用程序定期得到实施或提出。其受欢迎的原因之一是GPS信号的可用性，用于通用和易于使用。然而，在大多数应用中，接收设备是移动的或者处于无人值守的位置，这需要低能耗和更长的电池寿命。该系统还必须是低成本的，这排除了用于信号处理和干扰减轻的大型和复杂的电子设备。这些相互冲突的要求阻碍了有源器件的使用，并将一些信号处理转移到无源元件，特别是天线。天线阵列可以减少或克服干扰问题，但需要更大的空间来实现。下一代先进GPS系统设计中的关键挑战之一是开发具有增强性能的减小尺寸的低成本天线阵列。