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For many decades, antiquated and inadequate theories of society prevented archaeologists from asking, much less answering, the question of what holds cities together. Two such theories long dominated archaeological thought on cities and states. First, the simplistic social models of the “New Archaeolog...
However, the Si and Ge indirect bandgaps represent a drawback when these materials are used for realizing active devices for optoelectronic applications. Indeed, momentum conservation is not satisfied in the first order process involving one photon and, therefore, stimulated emission of photons is ...
Based on the contact explanation, we can draw the line along the Qinling Mountain–Huaihe River Line (see Szeto and Yurayong 2021), a boundary which is also frequently used in other biosciences and population sciences to distinguish the two major vegetation, climate and demographic zones of ...
Moreover, the major drawback of the computed order-tracking method is that the information of the shaft rotating speed must be available synchronously while using this kind of technique. To advance the state-of-art of bearing fault diagnosis in case of variable rotating speed, the hardware-...
3.3. Nonlinear MOR via Transformation Operators The main drawback of the MOR approach based on linear subspaces is its intrinsic separation of space and time, which cannot always be justified in applications. Promi- nent examples with strong space-time coupling are the advection equation and the ...
(3) Calculate the kurtosis of each output signal cik(n) and obtain the kurtosis of the practical signal according to Equation (14): K( fi, ∆ fk) = E cik 4 E ctk(n) 2 2 −2 (14) Perform quantization of the kurtosis with color and draw a fast spectral kurtogram. (4) The ...
In Section 5, we will draw the conclusion. 2. Principles of Probabilistic Shaping The famous Shannon capacity of the channel can be expressed as: C = log2(1 + SNR). (1) The SNR is measured by the uniform power training sequence. It has been proven that for the QAM constellations, ...