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"Pusch (1)-type1 frequency hopping" mentioned why to use the Pusch hopping frequency, as well as detailed introduction of the TYPE1 mode of frequency hopping, this article continues this topic, introduces the TYPE2 mode of
Introduction frequency-hopping communication is a branch of Spread-Spectrum communication. It has a strong anti-interference capability and is suitable for the military field. When the first frequency hopping radio station was launched in late 1970s, it predicted that its de
frequency hopping rules, it is difficult to intercept our communication content. At the same time, frequency-hopping communication also has good anti-interference capabilities. Even if some frequency points are disturbed, it can still perform normal communication at other n
December 31, 2013, Shenzhen-on World Telecommunication Day (December 31, May 17, the "2013 Shenzhen terminal Radio Frequency Technology Seminar" sponsored by microwave radio frequency network, an industry portal website focusing on microwave, RF, and wireless technology, was successfully held at the default Hotel in Bo
Topic: To a network, ask if there is a stream just C. If it does not exist, is there an arc, so that the capacity of the arc can be changed to just C flow?Problem Analysis: First find the maximum flow, if the maximum flow is not smaller than C, then there must be a flow just C. Otherwise, find the minimum cut set and then enumerate each arc to change its capacity to see if there is a stream that is just c.The code is as follows:# include UVA-11248 Frequency
Ultraviolet A 11248-frequency hopping Question Link Given a network, we need to transport traffic from 1 to n C and ask if it is possible. If it is possible to output data, if it is not possible, ask if it is possible to expand the capacity of an edge, if you can output these edges (first by u and then by V), if not, the output is impossible. Idea: first perform a network flow, and then increase the capacit
Ultraviolet A-11248 Frequency Hopping (network stream + cut) There are N vertices, M directed edges, and each edge has a corresponding capacity. Now you are required to ship from Point 1 to point N. The shipping volume is C.If it can be shipped, output possibleIf it cannot be shipped, check whether it can increase only one arc to make the shipping successful. If so, output all the arcs that can be increased
Card adds a lock to the warehouse and only has a key (password) can be opened for use. The CPU card is like a dedicated guard warehouse with a CPU chip in it, and the password for storing data needs to be verified. Different applications may have different passwords, so data access is more strictly controlled, the highest security. Non-contact IC cards use magnetic fields to obtain energy from the reader and exchange data. The magnetic field here is usually called the
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 Active and Passive RFID Systems RFID Frequencies Operation of RFID S
The radio frequency automatic search function can be used as described in the following steps: 1. On the standby screen, click "Application". 2. Choose "FM Radio". 3. Select "Menu Key". 4. Select "Scan" 5. Select "All channels".
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