Why did palanquins fade away?5 answersPalanquins faded away due to the emergence of new rituals and practices in various cultures. In the West Indian Himalayas, the institution of the moving rath, a palanquin carried on devotees' shoulders, played a significant role in establishing deities as complex agents. Meanwhile, in Ghana, figurative palanquins evolved into figurative coffins, showcasing a transition in art forms. This shift reflects broader societal changes, where traditional practices give way to new customs. Additionally, in the context of gender integration efforts in the Philippines, palanquins symbolize a historical gendered division of labor, which is being addressed through gender assessments and interventions. The fading of palanquins signifies a cultural evolution towards new forms of expression and ritual practices.
How SDE helps for characterizing fading in wireless communication?5 answersStochastic Differential Equations (SDE) play a crucial role in characterizing fading in wireless communication by providing a comprehensive understanding of the dynamic behavior of the system. Fading phenomena, such as multipath fading caused by obstacles in the transmission path, can lead to signal attenuation and distortion, emphasizing the need for accurate characterization in wireless systems. Experimental techniques, like two-dimensional measurements while the receiver is in motion, offer a more precise representation of small-scale fading under real environmental conditions, capturing essential interference patterns and variations in channel behaviors. Moreover, empirical models based on extensive measurements in specific environments, like railways, enable the development of stochastic fading channel models for efficient simulation and design of wireless communication systems. Understanding the propagation channel's characteristics is vital for mitigating dispersive fading effects and enhancing communication system performance.
Are wild-type traits dominant?5 answersWild-type traits may not necessarily exhibit dominance, as dominance variance can vary depending on the trait and the species. Studies suggest that traits closely associated with fitness or subject to strong selection may have higher levels of dominance variance. However, in wild populations of mice, behavioral traits linked to "wildness" did not consistently show dominance patterns. Additionally, in the context of crop improvement, wild relatives contribute genes that confer resistance to stresses, which can be introgressed into cultivated species. This indicates that while some wild traits may show dominance variance, it is not a universal rule. The presence or absence of dominance in wild-type traits can be influenced by various factors, including selection pressures and genetic interactions.
What is dominant marker?5 answersA dominant marker is a molecular tool used in genetics to identify specific traits in organisms. It is a type of genetic marker that is easily distinguishable in the phenotype when present in only one copy. Dominant markers like Y177and CoT-01are valuable for rapid screening and identifying desired traits in cucumbers, such as fruit tuberculate character and fruit thorns. These markers aid in distinguishing different phenotypes in the seedling stage, accelerating the breeding process. Dominant markers are advantageous due to their simplicity, cost-effectiveness, and ease of data acquisition. They play a crucial role in genetic studies by providing a quick and efficient way to analyze genetic diversity and polymorphism in various organisms.
What factors affect the distribution of electric field intensity in a given space?5 answersThe distribution of electric field intensity in a given space is influenced by various factors. These include the size, shape, and distribution of fretting wear particles around transmission wires. Additionally, temperature plays a significant role in the spatial distribution of the electric field, especially under DC excitation, affecting phenomena like corona discharge. Moreover, humidity levels and ambient temperatures impact the electric field intensity at substations, with humidity affecting the intensity as temperature remains constant. Understanding these factors is crucial for managing energy loss, electromagnetic interference, and ensuring the safety of power construction projects.
How probability distributions functions are used for Wireless fading channels?5 answersProbability distribution functions are used to model wireless fading channels. Different distribution functions such as the q-Weibull distribution, Weibull distribution, and q-Lognormal distribution have been proposed to capture the characteristics of fading signals in wireless communication channels. These distribution functions are used to describe the probability density function (PDF) and cumulative distribution function (CDF) of the fading signals. The PDF and CDF provide insights into the statistical behavior of the fading channels, allowing for the analysis of performance indicators such as outage probability, channel capacity, and amount of fading. Additionally, these distribution functions enable the calculation of average bit error rate and facilitate Monte-Carlo simulations for evaluating the performance of wireless communication systems.