A GPS handset based on GSM short message is demonstrated in this paper.
文章介绍了一种基于GSM短消息的GPS手持机的设计与实现方法,文章阐述了GPS手持机的主要功能,介绍了GPS手持机中单片机、GPS模块和GSM模块的原理和应用,并且着重讨论了GPS手持机的硬件和软件的设计与实现。
The study on improving precision of location by GPS handset;
提高GPS手持机定位精度方法研究
This thesis narrated the compendious calculation process and the requirements of coordinate system transformation for GPS handset; and explained the method to take that calculates transformation parameters of the coordinate from WGS84 system into 1954 coordinate system as example.
对GPS手持机的坐标系统转换参数的解算简要过程、要求进行了叙述,并以解算WGS84坐标转换为1954坐标系坐标的转换参数为例进行了说明。
Development of high voltage transmission line inspection management system based on intelligent portable terminal;
基于智能手持机的高压巡线管理系统开发
Design of a Power Charge Circuit for the Lithium Battery of RFID
RFID手持机锂电池快速充电电路设计
cutter ,power-operated, non-electric, hand-held
手持式机动刀具,非电动
UHF handheld transceiver
超高频手持式收发机
hand-carried battery-operated centrifugal sprayer
手持电动离心喷雾机
VHF handheld transceiver
甚高频手持式收发机
power-operated file, non-electric, hand-held
手持式机动锉刀,非电动
hand-held sinker
向下打眼的手持凿岩机
hand microphone type telephone
手持送话器式电话机
non-electric hand-held power-operated grinder
手持式机动砂轮机,非电动
concrete breaker, power-operated ,non-electric, hand-held
手持式机动混凝土捣碎机,非电动
Cell phone and handset digital device digital forensic overview
手机及小型手持数字设备数字取证研究综述
decoring tool, power-operated, non-electric, hand-held
机动除芯工具,非电动,手持式
gluing machine for working wood (excl. hand-held)
木料加工胶合机（手持式除外）
integrally-silenced hand-held concrete breaker
完全灭音手持混凝土轧碎机
Technical requirements for hand-held electromagnetic disk used for the presses
GB5093-1985压力机用手持电磁吸盘技术条件
filling machine for working metal (excl. hand-held)
金属加工填料机（手持式除外）
grooving machine for working metal (excl. hand-held)
刻槽机,用于金属加工（手持式除外）
honing machine for working metal (excl. hand-held)
珩磨机,用于金属加工（手持式除外）