SiRF - Wikipedia
SiRF manufactured a range of patented GPS chipsets and software for consumer navigation devices and systems. The chips are based on ARM controllers integrated with low-noise radio receivers to decode GPS signals at very low signal levels (typically -160dBm). SiRF chips also support SBAS to allow for differentially corrected positions.
SiRF - IEEE Radio & Wireless Week
SiRF. IEEE Topical Meetings on Silicon Monolithic Integrated Circuits in RF Systems have been at the forefront of moving Silicon technologies into microwave, millimeter-wave and THz applications – a development now widely accepted, and of great importance.
SiRF芯片 - 百度百科
SiRF芯片在2004年发布的最新的第三代芯片SiRFstar III（GSW 3.0/3.1），使得民用 GPS芯片 在性能方面登上了一个顶峰，灵敏度比以前的产品大为提升。. 这一芯片通过采用20万次/频率的 相关器 提高了灵敏度， 冷开机 / 暖开机 / 热开机 的时间分别达到42s/38s/8s，可以同时 ...
ublox GPS 模块用的是 SIRF 的芯片么？ - 知乎
u-blox公司最初采用SiRF公司的GPS芯片来生产模块，使用过SiRFstarI/LX和SiRFstarIIe芯片集。 从第三代产品开始，u-blox开始使用自己的芯片。 u-blox第三代及第四代的芯片由u-blox公司设计芯片、IP内核及软硬件架构，由ATMEL公司代工生产芯片组。
SiRF, SiRFstar, SiRF plus orbit design are registered in the U.S. Patent and Trademark Office. This document contains information on a product under development at Si RF. The information is intended to help you evaluate this product. SiRF reserves the right to change or discontinue work on this product without notice.
Silicon RF Devices | High Frequency Devices | Mitsubishi Electric
Mitsubishi Silicon RF devices which are the key parts for amplifying power of the transmission stage of mobile wireless communication devices in the high frequency band from several MHz to 1GHz robustly support wireless communication networks with a wide range of product lineup such as mobile professional radio equipment for public agency use ...
SIRF: Simultaneous Satellite Image Registration and Fusion in a …
2015年7月14日 · In this paper, we propose a novel method for image fusion with a high-resolution panchromatic image and a low-resolution multispectral (Ms) image at the same geographical location.
SiRF Technology - Crunchbase Company Profile & Funding
Stock Symbol NASDAQ:SIRF. Company Type For Profit. Phone Number (408)467-0410. SiRF Technology develops semiconductor and software products that enable location-awareness.
Most SiRF products support a subset of the NMEA-0183 standard for interfacing marine electronic devices as defined by the National Marine Electronics Association (NMEA). The NMEA Reference Manual provides details of NMEA messages developed and defined by SiRF.
Cell phone chip designer rides high in IPO - CNET
2004年4月22日 · SiRF has inserted its technology into Motorola phones on the Nextel network, Hewlett-Packard handhelds, and cars from Toyota and Honda. Revenue grew from $15 million in 2001 to $73.1 million...