Miracle-dz/UniFAR-FTUs huggingface dataset:
Joint Transceiver Design With Antenna Selection for Large-Scale MU-MIMO mmWave Systems

This paper considers the uplink of large-scale multiple-user multiple-input multiple-output millimeter wave systems, where several mobile stations (MSs) communicate with a single base station (BS) equipped with a large-scale antenna array, for application to fifth generation wireless networks. Within this context, the use of hybrid transceivers along with antenna selection can significantly reduce the implementation cost and energy consumption of analog phase shifters and low-noise amplifiers. We aim to jointly design the MS beamforming vectors, the hybrid receiving matrices (baseband and analog), and the antenna selection matrix at the BS in order to maximize the achievable system sum-rate under a set of constraints. The corresponding optimization problem is nonconvex and difficult to solve, mainly due to the receive antenna selection and constant modulus constraints on the analog receiving matrix. By exploiting the special structure of the problem and linear relaxation, we first convert this problem into three subproblems, which are solved via an alternating optimization method. The latter iteratively updates the antenna selection matrix, the transmit beamforming vectors, and the hybrid receiving matrices by sequentially addressing each subproblem while keeping the other variables fixed. Specifically, the antenna selection matrix is optimized via the concave–convex procedure; the weighted mean-square error minimization approach is used to find the solution for the transmit beamformer; and the hybrid receiver is obtained via manifold optimization. The convergence of the proposed algorithm is analyzed and its effectiveness is verified by simulation.
Impact of short-lived non-CO2 mitigation on carbon budgets for stabilizing global warming

Limiting global warming to any level requires limiting the total amount of CO2 emissions, or staying within a CO2 budget. Here we assess how emissions from short-lived non-CO2 species like methane, hydrofluorocarbons (HFCs), black-carbon, and sulphates influence these CO2 budgets. Our default case, which assumes mitigation in all sectors and of all gases, results in a CO2 budget between 2011–2100 of 340 PgC for a >66% chance of staying below 2°C, consistent with the assessment of the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. Extreme variations of air-pollutant emissions from black-carbon and sulphates influence this budget by about ±5%. In the hypothetical case of no methane or HFCs mitigation—which is unlikely when CO2 is stringently reduced—the budgets would be much smaller (40% or up to 60%, respectively). However, assuming very stringent CH4 mitigation as a sensitivity case, CO2 budgets could be 25% higher. A limit on cumulative CO2 emissions remains critical for temperature targets. Even a 25% higher CO2 budget still means peaking global emissions in the next two decades, and achieving net zero CO2 emissions during the third quarter of the 21st century. The leverage we have to affect the CO2 budget by targeting non-CO2 diminishes strongly along with CO2 mitigation, because these are partly linked through economic and technological factors.
Contribution to the Metapsychology of Psychotic Identifications

In The Ego and the Id , Freud (12) begins his discussion of ego and superego identifications with a reference to melancholia where a lost object is reconstituted in the ego, and thus an object cathexis is replaced by an identification. “Not rarely,” Freud says, “if a sexual object shall or must be given up, a change of the ego sets in which must be’described as constitution of the object in the ego like in melancholia. ” As in many other instances, the exploration of pathological phenomena had proved to be exceedingly fruitful for the understanding of normal psychologica1 deveIopment. For the further study of psychotic identifications, however, it may be of equal value to carry Freud’s comparison further by a closer scrutiny of the differences between normal ego and superego identifications and the corresponding mechanisms in psychosis. It is indeed noteworthy that Abraham failed to detect some conspicuously different features in the melancholic reactions and the identifications in normal grief to which he had called attention. You remember that Abraham referred to himself as an example of the latter: to his hair turning grey like that of his father, right after his father’s death. We all know examples where such identifications after the loss or death of the love object set in, which may not bring about a body change, as in Abraham’s case, but striking changes of the personality. E.g., after the loss of her husband a woman takes over his business which becomes the leading ideal and pursuit of her life. She turns into an efficient busi-
Preliminary Findings about the Nature of Work in Software Engineering: An Exploratory Survey

Context: Work Design refers to the different ways in which a given work or task can be designed and performed. The study of work design is important because every decision related to how the work is performed can affect the outcomes of individuals and the effectiveness of teamwork. Goal: To investigate work design characteristics of software engineering work and identify areas for future research. Method: We performed a survey with professional software engineers working in different commercial software companies in Brazil. We sent invitations to just over 150 professionals and received 77 valid answers from participants working in 35 distinct software companies. We measured 21 work design constructs, as well as job burnout, role conflict, role ambiguity, and two constructs related to job rotation. Results: Comparisons of our sample with other sample consisting of a diversity of professions showed that software engineering work has distinct characteristics, but some results require further investigation. Conclusion: We identified relevant characteristics of software engineering work and areas for further research. In particular, longitudinal studies are needed to address the temporal variations impossible to identify in cross sectional studies.
Keas rely on social information in a tool use task but abandon it in favour of overt exploration

To what extent do keas, Nestor notabilis, learn from each other? We tested eighteen captive keas, New Zealand parrots, in a tool use task involving visual feature discrimination and social learning. The keas were presented with two adjacent tubes, each containing a physically distinct baited platform. One platform could be collapsed by insertion of a block into the tube to release the bait; the other platform could not be collapsed. In contrast to birds that acted on their own (“individual learners”), birds that could observe a demonstrator bird operated the collapsible platform first. However, they soon changed their behaviour to inserting blocks indiscriminately in either tube. When we reversed the collapsibility of the platforms, only adult observers but neither their demonstrators that had individually learnt nor the juveniles immediately altered their former preference. Observers, however, did not simply reverse their initial preference but rather moved to and then stayed at a chance performance as to where to insert a block first. In conclusion, the keas' overt exploration soon overrode the effect of social learning. We argue that such behaviour might help keas to find more efficient extractive foraging techniques in their native variable, low-risk environment. Keywords: tool use behaviour; social learning; reversal learning; physical cognition
Design and simulation of LV PLL with ALF D-charge pump in 90 nm CMOS technology

With the prevalence of VLSI technology and electronics devices becoming smaller, denser, smarter and long lasting, the research in the field of low voltage applicability and low power consumption is turning omnidirectional among which one direction leads towards the depth of faster and precise clock generation which is achieved on the foundation of PLL. The time has come to break one of the famous Silicon Valley golden rules which states "Higher the clock frequency, Greater the power consumption". Keeping the trivial relationship between power consumption and power dissipation in mind, lowering supply voltages is the most effective method to reduce power consumption. At lower supply voltage, it is challenging to optimize each block of PLL for Low Voltage operations. A Low voltage High Frequency ALF Charge Pump PLL is proposed. It employs a differential Charge pump with an active loop filter to compensate current mismatch and reduces reference spurs. A Voltage Controlled Oscillator is designed with body bias technique providing wide capture range and low power consumption. A D Flip Flop PFD is designed with TSPC dynamic logic to achieve zero or minimum dead zone and is able to detect large phase and frequency difference.
Securing a Network by Modeling and Containment of Worms Using Preference Scanning

Self-propagating codes, called worms. In this paper, we present an inclination branching process model for characterizing the propagation of Internet worms. Basically user knows the name and the definition of worms, but sometimes due to the validity of the worm containment system, system cannot find the worms. The model is developed for preference scanning worms and then extended to inclination scanning worms. This model leads to the development of an inclination worm containment strategy that prevents the spread of a worm beyond its early stage. Specifically, for preference scanning worms, we are able to provide a precise condition that determines whether the worm spread will eventually stop and obtain the distribution of the total number of hosts that the worm infects. We then extend our results to contain inclination scanning worms. Our strategy is based on limiting the number of scans to dark-address space. Our inclination worm containment schemes effectively contain both uniform scanning worms and local preference scanning worms, and it is validated through simulations and real trace data to be nonintrusive. We also show that our worm strategy, when used with traditional firewalls, can be deployed incrementally to provide worm containment for the local network and benefit the Internet
First Impressions of Female Bust Size

Summary Four experiments studied first impressions of female bust size. Ss (135 males, 135 females) in Experiment 1 rated female stimulus persons from written descriptions characterizing them as having either small, medium, or large bust sizes. Ss in Experiment 2 (52 males, 56 females), Experiment 3 (50 males, 42 females), and Experiment 4 (45 males, 43 females) rated color photographs of female stimulus persons who were made up to simulate small, medium, and large bust sizes. Factor analysis showed that stimulus persons were rated on dimensions of (a) liking and personal appeal, (b) boldness and dominance, and (c) competence, intelligence, morality, and modesty. Ss in Experiment 1 gave significantly more favorable ratings on liking and personal appeal to stimulus persons with medium rather than small or large bust sizes. These results correspond closely with male and female ratings of female silhouette figures found in previous studies. Ss in Experiments 2, 3, and 4 did not differentially evaluate stimul.
The DEEP2 Galaxy Redshift Survey: Mean Ages and Metallicities of Red Field Galaxies at z ~ 0.9 from Stacked Keck DEIMOS Spectra

As part of the DEEP2 galaxy redshift survey, we analyze absorption line strengths in stacked Keck DEIMOS spectra of red field galaxies with weak to no emission lines, at redshifts 0.7 ≤ z ≤ 1. Comparison with models of stellar population synthesis shows that red galaxies at z ~ 0.9 have mean luminosity-weighted ages of the order of only 1 Gyr and at least solar metallicities. These ages cannot be reconciled with a scenario in which all stars evolved passively after forming at very high z. Rather, a significant fraction of stars can be no more than 1 Gyr old, which means that some star formation in the stacked populations continued to at least z ~ 1.2. Furthermore, a comparison of these distant galaxies with a local SDSS sample, using stellar population synthesis models, shows that the drop in the equivalent width of Hδ from z ~ 0.9 to 0.1 is less than that predicted by passively evolving models. This admits two interpretations: either each individual galaxy experiences continuing low-level star formation, or the red-sequence galaxy population from z ~ 0.9 to 0.1 is continually being added to by new galaxies with younger stars.
Concubines in Sung China

This article argues that concubines (ch'ieh) in traditional China should not be thought of as wives, even secondary wives. Using Sung dynasty (960-1279) evidence, the ritual, legal, and social differences between wives and concubines are examined. Wives were acquired through a betrothal process that entailed exchange of gifts and ceremonies; concubines were purchased through a market in female labor much as maids were. A wife's relatives became kin of her husband and his family; a concubine's did not. A man could take as many concubines as he could afford; he could marry only one wife. The sons of a concubine had the same rights of inheritance as the sons of a wife, but they had to treat their father's wife as their legal mother, honoring their "birth mother" to a lesser degree. A concubine had to treat the wife as her mistress, and she might well be used by the wife as a personal maid. The wife could rear the concubine's children herself if she chose to and would be their legal guardian if the father died. In criminal law, concubines fell between wives and maids in matters such as injuries to family members. The conclusion of this essay considers the ways in which the status of concubines changed in later centuries.
Monitoring, Mediating, and Modeling: Parental Influence on Adolescent Computer and Internet Use in the United States

Proliferating internet-accessible media have altered the home context, raising questions about parental influence on youth computer/internet use. This study examines parents' monitoring, internet mediation, and modeling behaviors as predictors of adolescents' computer/internet use among 629 US adolescents and their parents. Parents' time spent with computers was positively associated with teens' computer time, and parents' engagement in seven internet activities (e.g., IM/chat) also predicted teens' engagement in those activities. Greater general parental monitoring of adolescents predicted less teen engagement in IM/chat, social networking site use, video streaming, and multiplayer online games, while parental tracking of internet use predicted more teen IM/chat. Older teens spent more time with computers and in various internet activities and reported lower rates of general parental monitoring and parental internet mediation. Findings suggest that parents act as models for their children's internet use. Additionally, general parental practices not specific to media may affect youths' media behaviors as well.
Managing for Value: Organizational Strategy in for-Profit, Nonprofit, and Governmental Organizations

All organizations benefit from developing a strategy. The most well-developed strategy models come from the private sector and focus on markets, customers, and competition. Yet, these models fail to take account of two crucially important features of nonprofit organizations: (a) the value produced by nonprofit organizations lies in the achievement of social purposes rather than in generating revenues; and (b) nonprofit organizations receive revenues from sources other than customer purchases. An alternative strategy model developed for governmental managers focuses the attention on three key issues: public value to be created, sources of legitimacy and support, and operational capacity to deliver the value. This alternative strategy model resonates powerfully with the experience of nonprofit managers precisely because it focuses attention on social purposes and on the ways in which society as a whole might be mobilized to achieve them.
Women’s Emotions and Concerns During Pregnancy Following Perinatal Loss

Purpose To determine the specific emotions and concerns of women who are pregnant following a perinatal loss. Study Design and Methods Data were collected through a mailed questionnaire using an open response format. The sample consisted of 73 women on the membership mailing lists from two pregnancy-after-loss support groups. A content analysis was conducted on women’s self-reports; five primary emotions and five main concerns were expressed during their pregnancies. Results “Anxious,” “nervous,” and “scared” were the most frequent emotions reported by these women. However, most women also included a positive emotion in their list, indicating the mixed emotions of their pregnancy experience. Eight categories of profound concerns were identified: “losing another baby,” “overall health of the baby,” “emotional stability of self,” “impact of another loss on my future,” “lack of support from others,” “fear of bad news,” “own impact on the baby,” and “worries never end. ” Responses of currently pregnant women as compared with women retrospectively reporting on their last pregnancy experiences were essentially similar. Clinical Implications Women pregnant after a previous perinatal loss are skeptical about pregnancy. Clinicians should be cognizant of the constellation of concerns and the simultaneous contrasting emotions experienced by these women in order to provide supportive prenatal care. Because the women’s concerns are ongoing, responsive care should include asking about specific concerns throughout the pregnancy.
Water source most suitable for rearing a sensitive malaria vector, Anopheles funestus in the laboratory

Background: The insecticide susceptibility status of Anopheles funestus, one of the main malaria vectors in the Afrotropical regions, remains under-studied due to the difficulty of working with this mosquito species. Collecting their larvae in natural breeding sites, rearing and maintaining them in normal laboratory conditions have been a difficult task. Forced-egg laying technique has been a very good tool to generate eggs from adult mosquitoes collected from the wild but rearing these eggs to obtain satisfying portion as adults has always been the problem. In this study, we optimized the development of mosquito species larvae under standard laboratory conditions for desired production of adult mosquitoes that can be useful for insecticide susceptibility tests. Methods: A forced-egg laying technique was used to obtain eggs from gravid female Anopheles funestus collected from Kpome locality in Benin. Eggs were reared in three different water samples (water from the borehole, and two mineral water namely FIFA and Possotômè) and larvae were fed with TetraMin baby fish food. The physico-chemical parameters of the waters were investigated prior to use for egg incubation (introduction of eggs’ batches into water). Results: In contrast to mineral water that had no contamination, the borehole water source was contaminated with lead (2.5mg/L) and nitrate (118.8mg/L). Egg hatching rates ranged as 91.9 ± 4.4%, 89.1 ± 2.5% and 87.9 ± 2.6% in FIFA, Possotômè and borehole water respectively. High emergence of larvae to adult mosquitoes was recorded as in FIFA (74.3%) and Possotômè (79.5%) water. No adult mosquito was obtained from larvae reared in borehole water. Conclusions: This study gave insight on the water sources that could be good for rearing to mass produce An. funestus in the laboratory. More analysis with other local mineral water sources in our environments could be considered in the future, hopefully giving better outputs.
Vagaries of adipose tissue innervation.

adipose tissue does not seem to be innervated in any significant manner by the vagus nerve after all. As reported by Giordano et al. ([9][1]) in this issue, retrograde tracing with pseudorabies virus from at least one fat pad in the Siberian hamster reveals only the occasional neuron in the vagal
A Predictive Algorithm for Controlling Speed and Rotor Flux of Induction Motor

A model-based predictive control of rotor flux and speed of a vector-controlled induction motor (IM) is presented. A state-space approach is employed for modeling a rotor-flux-oriented IM. The control law is derived by optimization of an objective function that considers the control effort and the difference between the predicted outputs (speed and rotor flux) and the specific references, with predicted outputs calculated using a linearized state-space model. The rotor flux and speed are estimated by using an extended Kalman filter. In this model, the load inertia is unknown, and the external load torque is considered to be a disturbance. Its amplitude is computed with the electromechanical equation or estimated by the Kalman filter. Simulated and experimental results show the good performance of this strategy.
A Unique Redox-sensing Sensor II Motif in TorsinA Plays a Critical Role in Nucleotide and Partner Binding*

Early onset dystonia is commonly associated with the deletion of one of a pair of glutamate residues (ΔE302/303) near the C terminus of torsinA, a member of the AAA+ protein family (ATPases associated with a variety of cellular activities) located in the endoplasmic reticulum lumen. The functional consequences of the disease-causing mutation, ΔE, are not currently understood. By contrast to other AAA+ proteins, torsin proteins contain two conserved cysteine residues in the C-terminal domain, one of which is located in the nucleotide sensor II motif. Depending on redox status, an ATP hydrolysis mutant of torsinA interacts with lamina-associated polypeptide 1 (LAP1) and lumenal domain like LAP1 (LULL1). Substitution of the cysteine in sensor II diminishes the redox-regulated interaction of torsinA with these substrates. Significantly, the dystonia-causing mutation, ΔE, alters the ability of torsinA to mediate the redox-regulated interactions with LAP1 and LULL1. Limited proteolysis experiments reveal redox- and mutation-dependent changes in the local conformation of torsinA as a function of nucleotide binding. These results indicate that the cysteine-containing sensor II plays a critical role in redox sensing and the nucleotide and partner binding functions of torsinA and suggest that loss of this function of torsinA contributes to the development of DYT1 dystonia.
Evidence for a New Member of the Myosin I Family from Mammalian Brain

Abstract: Myosin I is an actin‐based motor responsible for powering a wide variety of motile activities in amebae and slime molds and has been found previously in vertebrates as the lateral bridges within intestinal epithelial cell microvilli. Although neurons exhibit extensive cellular and intracellular motility, including the production of ameboid‐like growth cones during development, the proteins responsible for the motor in these processes are unknown. Here, we report the isolation of a partially purified protein fraction from bovine brain that is enriched for a 150‐kDa protein; immunochemical and biochemical analyses suggest that this protein possesses a number of functional properties that have been ascribed to myosin I from various sources. These properties include an elevated K+‐EDTA ATPase, a modestactin‐activated Mg2+‐ATPase, the ability to bind calmodulin, and a ready association with phospholipid vesicles made from phosphatidylserine, but not from phosphatidylcholine. The combination of these properties, together with a molecular mass of 150 kDa (most myosin I molecules found to date have molecular masses in the range 110–130 kDa) yet recognition by an anti‐myosin I antibody, suggests the presence of a new member of the myosin I family within mammalian brain.