无线传输
- 网络Wireless Transmission;GPRS;Wifi;zigbee
-
正如之前所述,使用合适的设备和合适的技术,任何无线传输都是可能被阻断的。
As said before , with the right equipment and the right know-how , it 's possible to jam any wireless transmission .
-
基于ARM的土壤含水率无线传输系统设计
Development of ARM-based Wireless Transmission System of Soil Moisture
-
微型高灵敏度CCD成像及无线传输系统
Micro High Sensitivity CCD Imaging and Wireless Transmitter System
-
基于SOC和无线传输的扭矩仪的研制
Design of Torque Measure Instrument Based on SOC and Wireless Transmission
-
红外无线传输在以太网(Ethernet)中的应用
Application of Infrared Wireless Communication in Ethernet
-
UWB在室内高速无线传输中的应用研究
Research on UWB for High Speed Wireless Transmission in Indoor Environment
-
通用多载波CDMA无线传输体制及其研究进展
Overview of Generalized Multicarrier CDMA for Wireless Transmission
-
基于GPRS网络的数据无线传输实现接口
Based on GPRS network data wireless transmission realization connection
-
非均匀纠错Turbo码在图像无线传输中的应用
Turbo Codes with Unequal Error Protection method for Transmission of Images over Wireless channels
-
WLAN的无线传输技术及网络规划
Wireless Transmission Technologies and Network Planning for WLAN
-
采用GPRS无线传输方法通信方式简单,而且安全可靠。
Adopt the lead-in of GPRS delivers the method correspondence method simple , and safe credibility .
-
在高频无线传输时利用频分实现全双工通信,并利用自定义相关协议VB编程实现局域组网。
FDD is used in transmission , and using VB to complete relevant protocol of the network .
-
WCDMA系统的发展与无线传输技术
The Evolution and Radio Transmission Technologies of WCDMA System
-
嵌入式数据库技术、GPRS无线传输技术的推广,使得手持PDA具有更加强大的数据访问和管理功能。
The PDA possesses powerful function of data access and management , for embedded database and GPRS technology become popular .
-
我们采用的控制芯片为TI公司的MSP430,无线传输模块采用的是通用的微功率无线数传模块,串口通讯方式。
We used TI Corporation 's MSP430 as control chip , while took general wireless transceiver module with UART opened as communication means .
-
但是adhoc网络不同于有线网络,具有无线传输带宽受限、网络拓扑结构动态变化、节点处理能力有限、传输误码率较高、传输环境干扰强等问题。
However Ad Hoc network is different from wired networks , because of the characteristics of limited bandwidth and processing capacity , dynamic network topology and high transmission error rate .
-
无线传输、信号广播、资源受限等特点使无线射频识别(RFID)技术存在潜在的安全隐患。
Wireless transmission , broadcast of signals , resource-constraint disturb the reliability of Radio Frequency Identification ( RFID ) system and block the deployment progress of RFID techniques .
-
分析并给出了平流层通信系统的网络结构模型,指出ATM无线传输技术是平流层通信系统的主要技术。
This article described the network structure model for stratospheric telecommunication system , and pointed out that the ATM on wireless link was the main technology in this system .
-
本文提出了一种基于码分复用技术的四路E1数据扩频无线传输设备的实现方案。
This paper introduces a project based on code division multiplexed that is used to realize four El channels 's wireless transportation .
-
在此实验床上,研究了长距离对无线传输的影响,评价了2PMAC协议的性能。
On the testbed , we analyzed the effect of the long distance on 802.11 wireless links and evaluated the performance of 2P MAC .
-
GPRS作为发展比较成熟的无线传输技术,广泛应用于军事,工业,商业、科研等领域。
GPRS as a mature technology of wireless transmission , has been widely used in the filed of military , industrial , commercial and scientific research , and so on .
-
本文研究数字音频无线传输中的前向纠错(FEC)算法和电路的设计及实现。
This dissertation researches the arithmetic and the circuit implementation of Forward Error Correction ( FEC ) in digital audio wireless transmission .
-
针对CCD图像传感器的特点,将CCD的光纤图像传输系统,通过CPU转换,变成无线传输。
This thesis aims at the picture of CCD spreads the characteristics that feels the machine , delivering the CCD fiber-optic picture to system , passing the CPU convert , becoming the lead-in deliver .
-
分析了多媒体无线传输模型,并讨论其中的信源编码失真度DS、信道传输失真度DC、系统总体失真度D及其相互的关系。
The model for the wireless multimedia transmission was analyzed ; the relationship among source coding distortion Ds , the channel distortion Dc , and the rate distortion of the transmission system D were discussed ;
-
通过对数字通信差错控制编码技术的具体分析,提出了适合智能传感器与微机数据无线传输的CRC码差错检测方法。
By the introduction of Error-control Coding Technique in detail , a method called CRC error detect code that suits in non-wire data transportation among personal is presented .
-
自由空间光通信(freespaceopticalcommunication,FSO)是一种采用红外激光承载高速信号的无线传输技术,具有成本低、容量大、设计简单、接入方便等优势。
Free space optical communication ( FSO ) is a type of wireless transmission technology which transmission the high-speed signal by infrared laser . It is characterized by the low cost , great capacity , simple to design and convenient to access .
-
WSN由于其传感器节点自身能力以及无线传输方式的限制,在设计中很难使每个技术指标都达到最优。
Limited by self-capability of sensor nodes in WSN and the wireless transmission mode , it is hardly possible to reach the optimal level on each technical target at the same time .
-
通过单片机底层程序的设计,完成了对心电数据的采集和GPRS模块的AT指令控制,实现了对心电数据无线传输;
In the software project , PIC bottom program is used to collect the ECG data and control the AT injunction to the GPRS module , which realize the wireless transmission of ECG data .
-
自组网QoS模型技术面临着拓扑结构动态变化、存在单向信道、有限的无线传输带宽以及移动终端处理能力的局限性等一系列挑战。
Users not only need best-effort service but also hope network can support QoS . MANET QoS model has to deal with the dynamic topology , unidirectional link , limited wireless bandwidth and capability-constrained of mobile nodes , etc .
-
无线传输层安全协议(WTLS)原来是被专门设计与WAP传输协议配套使用的,但它将广泛用于无线终端(如无线PDA、GPRS、CDMA手机等)之间的安全通信。
WTLS is originally designed for WAP , but it will be widely used in wireless communication between wireless terminals ( such as wireless PDA , GPRS or CDMA wireless telephone ) .