Recoiling Black Holes: Electromagnetic Signatures, Candidates, and Astrophysical Implications by S. Komossa

“…This is a prediction of numerical relativity simulations, which imply that the newly formed single SMBH, after binary coalescence in a galaxy merger, can receive kick velocities up to several 1000 km/s due to anisotropic emission of gravitational waves. …”
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Promoting Geospatial Service from Information to Knowledge with Spatiotemporal Semantics by Jing Geng, Shuliang Wang, Wenxia Gan, Hanning Yuan, Zeqiang Chen, Ziqiang Yuan, Tianru Dai

“…In terms of an exact task, numerous related services are recombined to a service chain under user requirement. …”
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Performance analysis for pseudo-random asynchronous FH-CDMA system based on average-hit method by GTao ZHEN, Qi ZENG

“…The pseudo-random M-ary sequence (such as RS code,polynomial code and low-hit zone FH code and so forth) is widely adopted as FH code in FH-CDMA system.However,the performance of FH-CDMA system employing FH sequence is usually evaluated by simulation,and lack of substantial theoretical analysis.A systematic method for modeling the frequency-hit according to the pre-assigned FH code was proposed; then with the proposed model,the analysis for multi-access interference(MAI)was simplified.The numerical relation between the properties of pseudo-random FH code and the error-rate performance of FH-CDMA system was established.Theoretical and simulation results show that the proposed average-hit model is an efficient method to evaluate the frequency hit and the error-rate of pseudo-randomly FH-CDMA system.Meanwhile,the optimal error-rate low-bound of FH-CDMA system which can achieved by pseudo-random FH code is shown in the conclusion.…”
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Demand, utilization, and supply of community smart senior care services for older people in China by Ruobing Fa, Shengxuan Jin, Peng Fan, Fengyuan Tang, Qian Jin, Changqing Wang

“…Objective Although smart senior care services offer numerous benefits, they have not yet gained widespread acceptance among the general populace, particularly seniors. Numerous related issues have surfaced, with the structural imbalance between supply and demand being most prominent. …”
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