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- Keywords UHF;personnel orientation;RFID;Wireless radio freguency;freguency; 人员定位;RFID;无线射频;频率;
- Wireless radio freguency 无线射频
- The method of design the hardware of automatic test system is introduced, and take example for take-over power equipment of wireless radio. 摘要本文以航空无线电台的一个部件接收激励器为例说明了自动测试系统硬件平台的设计方法。
- SCM system to collect the information to digital radio and digital wireless radio transmission, then digital radio receivers to receive the information to the computer. 系统中单片机采集到的信息传给数字电台，利用数字电台进行无线传输，再将数字电台接收机接收到的信息传给计算机。
- Whereas wired networks send electrical signals or pulses of light through cable, wireless radio signals propagate through the air and are naturally easier to intercept. 主要是鉴于有线网络是通过电缆来传送电信号或光波的，而无线电信号却是在空气中传播，自然容易被截取。
- Firstly, this paper describes basic parameters of the wireless radio channel and proves that AM broadcast channel is weak spread channel. A wireless Raleigh channel model is given in this part. 本文首先描述了表征无线广播信道的基本参数，证明了调幅广播信道是弱扩展信道，并给出了无线瑞利信道的仿真模型。
- Radio Freguency Identification (RFID) 射频识别
- Our company was founded in August 1997.We are a professional company dealing with the manufacture and vendition of wireless radio control models, presents, toy of COLCO.We have 150 employees. 本公司成立于1997年8月，是专业从事COLCO品牌遥控模型、礼品、玩具等器材的生产、销售公司，员工150人。
- A design and completion of vehicle tyre pressure monitoring system(TPMS) which is based on MC68HC908 series micro-controllers and wireless radio frequency transmitter/receiver was introduced. 给出了轮胎压力监测系统的总体结构,并从硬件和软件两方面描述了系统的设计及实现方法。
- wireless radio frequency communication 无线射频通信
- wireless radio frequency technique 无线射频技术
- The high-frequency technology became the base to develop FM tuners and amateur wireless radios that were evaluated as the world's best. 该公司的高频技术曾成为开发世界上最佳的FM调谐器和业馀无线电收音机的基础技术。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- He sent me the news by wireless telegraph. 他用无线电报把消息告诉我。
- Radio Beijing sends the news all over the world. 北京广播电台向全世界播送新闻。
- She petitioned her neighbor to turn down the radio. 她请求邻居把收音机关小点声。
- They've been plugging his new show on the radio. 他们一直在电台上宣传他的新节目。
- How much do you think this radio will sell for? 你认为这台收音机会卖多少钱？
- The police talked to each other by wireless. 警察用无线电通话。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
