scholarly journals A VIRTUAL SPACE-TIME ADAPTIVE BEAMFORMING METHOD FOR SPACE-TIME ANTIJAMMING

2017 ◽  
Vol 58 ◽  
pp. 183-191 ◽  
Author(s):  
Fulai Liu ◽  
Ruiyan Du ◽  
Xiaoyu Bai
Author(s):  
Maria Pompeiana Iarossi ◽  
Luisa Ferro

In the European ancient foundation city, the past forms a constitutive part of its structure. However, it is not easily recognizable in cities like Milan, where the ruins of monuments of imperial era (as the Theater, the Amphitheater and the Circus) have been submerged by the urban stratification. The recent success of visualization systems by web (such as GoogleMaps or Bing) have highlighted a widespread need for knowledge of places, which can be satisfied through an innovative application of tools as GIS. This chapter explains how, in the virtual space-time of a webGIS, it is possible to provide specific paths, that accompany any user, even if he doesn't have specific skills, to discover the immanent remote past of the city, described by an appropriate display of its cartographic and iconographic heritage.


2021 ◽  
Vol 3 (1) ◽  
Author(s):  
Binggong Chang

The space-time ladder theory reveals that the formation of electronic tornadoes, or the formation of electronic dissipative structures, to be precise, the enhancement of electronic Energy Qi field is the basis of superconductivity. The surrounding area of the electronic tornado is expanding, which is the basis of the Meissner effect, and the center is contracting, which is the basis of the pinning force. When the attractive force of the Energy Qi field is greater than the Coulomb repulsive force, the electrons form a Cooper pair and release dark energy into virtual space-time. When the dark energy increases to a certain extent, the virtual space-time frees the Cooper pair and forms an electron-virtual space-time wave, which fluctuates freely in the superconducting material, which is the basis for the superconducting resistance to be zero. This is similar to the principle of a hot air balloon. The virtual space-time is hot air and the electron pair is a hot air balloon device. Conductor electrons are free and easy to emit dark energy, resulting in insufficient dark energy, and it is not easy to form electron-pair virtual space-time waves, so the superconducting critical temperature is very low. This is because the emission coefficient of the conductor is too high. Insulator electrons are not easy to emit dark energy and easily form electron-pair virtual space-time waves. Therefore, the superconducting critical temperature is slightly higher because of the low emission coefficient of the insulator. The solution of the Qi-space-time wave equation, that is, the coherence coefficient, is an important factor in superconductivity. In addition, the conditions under which tornadoes form are also an important basis for superconductivity. Finally, it is emphasized that the coherence coefficient and prevention of dark energy emission are the two most important elements for preparing superconducting materials. 


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