what is backscatter

Introduction Cloud and aerosol Layer products document the spatial location of major geophysical variables, the surrounding meteorological conditions (such as temperature and pressure), and some of the optical properties of measurements and

RFID (Radio Frequency identification): A tutorialcontents: Introduction to Radio Frequency Identification-rfid What is RFID Compare RFID with Bar Code technology Benefits of RFID Disadvantages of RFID

PoWiFi: wireless coverage and wireless charging Recently, a group of innovative WiFi developers have finally created an innovative WiFi router (prototype) that not only provides wireless access to the Internet, wireless charging can also be an

EPC (Electric Product Code) is a standard for the sensing layer of the Internet of things, mainly to define how to define the electronic tag, which includes many rules.The Internet of things is divided into three layers: the perceptual layer, the

No matter how small the Internet device requires a battery or power cord. But it will soon change. This technology is about to be commercialized by allowing the device to ingest electricity from the surrounding TV, radio, cell phone, or Wi-Fi signal

The course report for a course in the undergraduate course period ~~ The content includes introduction to RFID, market application and prospects, working principles, risks, security and privacy policies, and a total of 5 points. Because the

* Some of the information comes from our PhD's PPT, partly from the Web and others ' papers.* The textbook we use is the Smart Card Technology (fourth edition)--ic card, RFID tag and Internet of Things (Tsinghua University computer series textbook)

In this paper, the measurement methods of optical fiber and optical fiber communication system are briefly introduced, this paper mainly introduces optical fiber measurement: single-mode fiber Mode field diameter, optical fiber loss, fiber

The advent of a prototype router that uses WiFi signal Charging According to foreign media reports, the "ambient backscatter" technology developed by American engineers can use Wi-Fi signals and convert them into electricity. Today, a prototype

Two days ago, I saw an article about RFID security in TSRC. : http://www.bkjia.com/Article/201406/310854.html, I had a little bit of views.RFIDAttack Simulation1Card data sniffingThe so-called "sniffing" mentioned in this article is analyzed based