Coordinateless method of measuring signal transmission time through satellite television channels

1987 ◽  
Vol 30 (2) ◽  
pp. 158-159
Author(s):  
Yu. A. Fedorov ◽  
Yu. D. Ivanova ◽  
A. I. Shchavelov
Keyword(s):  
Signal Transmission ◽  
Transmission Time ◽  
Satellite Television ◽  
Measuring Signal

Research on New Shape Meter of Cold Rolling Strip

2011 ◽  
Vol 697-698 ◽  
pp. 529-532
Author(s):  
Bing Qiang Yu ◽  
Li Po Yang
Keyword(s):  
Signal Processing ◽  
Signal Transmission ◽  
Strip Surface ◽  
Loop Control ◽  
Hardware System ◽  
Embedded Dsp ◽  
Company Limited ◽  
Slip Ring ◽  
Measuring Signal ◽  
Close Loop Control

A new strip shaper is developed to avoid the scratch of the strip surface due to different thermal expansion of the traditional detection roller measuring unit effectively. The signal transmission form which is different form the international popular dry slip ring is put forward; the spray wet slip ring is developed to improve the measuring precision and the service life. The signal processing form which is different form the international popular gathering card is put forward and the embedded DSP shape signal processing hardware system is developed to improve the measuring precision and the anti-interference ability. The shape signal processing software system whose function contains error compensation, pattern recognition, establishment of the target shape and the close-loop control calculation is built to implement the intelligentized shape meter. The shape meter has been test chronically on the 1250 mm cold strip mill of Angang Steel Company Limited and the test result indicates that the measuring signal is stable and reliable and the closed-loop control of shape is implemented.

Prediction error for the transmission time of signals via satellite television channels

1985 ◽  
Vol 28 (5) ◽  
pp. 393-396
Author(s):  
G. N. Palii ◽  
Yu. D. Ivanova ◽  
S. B. Pushkin
Keyword(s):  
Prediction Error ◽  
Transmission Time ◽  
Satellite Television

The Research in Satellite Television Channel Landing Fee of China Based on PageRank Algorithm

2014 ◽  
Vol 644-650 ◽  
pp. 1791-1795
Author(s):  
Xin Wang ◽  
Jian Bo Liu ◽  
Jian Ping Chai ◽  
Han Lei Wang
Keyword(s):  
Economic Benefit ◽  
Signal Transmission ◽  
Controversial Issue ◽  
Television Channel ◽  
Satellite Television ◽  
Pagerank Algorithm ◽  
Audience Rating

While providing signal transmission services for stv channels (satellite television channels), catv operators in the area of broadcast and television in China raised a controversial issue about the standard of charging channel operators landing fee. To address the problem, this passage suggests a proposal about charging landing fee according to the seat value, which assessing each channel’s seat value based on the data of the audiences and the pagerank algorithm as the index. The result shows that our proposal improved the audience rating of channel while bringing a greater economic benefit to catv operators compared with the traditional standard of charging fixed landing fee.

scholarly journals A Link Distance Division Based Time Division Multiple Access Protocol for Directional Aeronautical Relay Networks

2020 ◽  
Vol 38 (1) ◽  
pp. 147-154
Author(s):  
Zhongjiang Yan ◽  
Qianqian Li ◽  
Bo Li ◽  
Mao Yang
Keyword(s):  
Data Transmission ◽  
Signal Transmission ◽  
Transmission Time ◽  
Extension Problem ◽  
Access Protocol ◽  
Link Distance ◽  
Wireless Signal ◽  
Transmission Link ◽  
Time Division ◽  
Multiple Access Protocol

In directional aeronautical relay networks, the airplane relay explores the advantages of the directional antenna, in terms of long transmission distance, low transmission power, small interference range and so on, to help the ground nodes transmitting data. However, data transmission delay extension problem occurs when the distance of the transmission link extends, where the wireless signal transmission time approximates the data transmission time such that the wireless signal transmission time cannot be omitted. To address the data transmission delay extension problem, a link distance division based time division multiple access protocol, LDD-TDMA, is proposed in this paper. Different from the traditional TDMA protocol, where the time slots are equal and are determined by the longest transmission link, the length of the time slots are different and are determined by different transmission links. Furthermore, the concept of communication coverage ring is proposed where the nodes located in the same ring communicate with the relay utilizing the same time slot length. The relationships between the number of rings, the ring radius and the transmission range of the LDD-TDMA are modelled and derived as a closed formula, where the ring radius are optimized such that the gain is maximized. Simulation results show that LDD-TDMA outperforms TDMA by 13.37% when the transmission range is 200 km and the ring number is 4.

scholarly journals Wireless Power and Signal Transmission Based on Time-sharing Multiplexing for WPT System

2021 ◽  
Vol 252 ◽  
pp. 01023
Author(s):  
Xiaorui Wu ◽  
Wenlan Gong ◽  
Jing Xiao ◽  
Shaonan Chen ◽  
Ning Wu
Keyword(s):  
Power Transmission ◽  
Transmission Rate ◽  
Signal Transmission ◽  
Transmission Efficiency ◽  
Wireless Transmission ◽  
Transmission Time ◽  
Time Sharing ◽  
Wireless Power ◽  
Practical Applications ◽  
The Relationship

In wireless power transfer (WPT) systems, wireless transmission of signals is particularly important for some practical applications. An effective approach of signal and energy synchronous transmission based on time-sharing multiplexing of the same coupled coil is proposed in this paper. Using the same coupled coil, the signal transmission is carried on when interruption of power transmission happens. To realize the proposed method, the relationship between power transmission time and signal transmission time is provided to obtain the optimal transmission process of the power and signal. Besides, the power transmission efficiency (PTE) and the signal transmission rate (STR) are analyzed. Finally, the effectiveness of the proposed method is verified by the experiment.

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