With the proliferation of frequency-using devices and the advent of the era of big data, spectrum management and control are faced with challenges of effectiveness and accuracy.Modulation classification technology is the foundation and key part of spectrum management and control.Therefore, the effectiveness of modulation classification technology i
Although the subject of disinformation has been studied in the pre-digital era and in recent years in relation to changes in global geopolitics, the war in Ukraine opens up a new phase in which it is possible to identify the persistence of processes that were already in place, and at the same time to trace a new order of information disorder.The ne
To reverse the trend of ecological environment deterioration, the government tries to stimulate firms to participate in environmental governance through environmental regulation.Then, which environmental regulation tools can better drive firms to carry out environmental governance activities needs to be corroborated by empirical studies.Using a sam
The frost heave force (FHF) is one of the most important Spices reason of inducing freezing damages of tunnel in seasonal frozen regions.Analyzing the change law of FHF is helpful to design for avoiding freezing damages in the tunnel lining.Field measurement is an approved method used in mechanical analysis of tunnel lining, however, it is difficul