Creel surveys were performed over a three week period in late spring, 2011, in the Lafourche and Calcasieu area estuaries of the Louisiana Gulf Coast. Weights and lengths were measured for black drum (Pogonias cromis), red drum (Sciaenops ocellatus), and spotted seatrout (Cynoscion nebulosus), and relative condition factors were calculated relative to expected weights from the long term (5 year...

This paper deals with the development, technical and financial analysis of a locally available small size solar photovoltaic DC powered paddy thresher. The threshing machine was developed at Workshop Machinery Maintenance (WMM) divisional Bangladesh Rice Research Institute (BRRI), Gazipur, during 2021. Locally materials 1 hp motor were used to develop technology. thresher tested reduce dependen...

The transmission characteristics of the vibration excitation rape plants are great significance to study harvesting loss and threshing mechanism during harvesting. Aiming examine problem that existing measurement method cannot be well adapted small such as rape, this article proposes a based on high-speed photography image recognition uses in three states, i.e., sweep frequency, standing free a...

Reducing start and stop time without destroying the pavement surface is important in enhancing productivity of double-drum roller and compact quality of asphalt pavement, but it is difficult in confirming the maximum brake deceleration or start acceleration of double-drum roller. Dynamic analysis is used in studying these questions, and a mathematic model of double-drum roller is established, b...

During the composition of a piece of music, composers often focus on the crafting of melody and harmonic lines rather than a percussive track that may accompany them. For amateur composers, creating a drum track by hand can be both tedious and frustrating, due to their lack of skill and experience with the task. In recent years, computer software tools have been created to help automate the cre...

This study measured surface electromyography of the biceps brachii and triceps brachii during repeated drum playing with and without a drumstick to better understand activation of the upper arm muscles and inform the use of instrument playing for motor rehabilitation. A total of 40 healthy college students participated in this study. All participants were asked to strike a drum with their hand ...

A percussionist can alter the harmonic content of a tunable acoustic drum to provide a desired sound. By analysis of different aspects in construction of a drum the specific sound can be implemented. Through a Fast Fourier Transform of electronically acquired audio data an analysis of a drum can be performed at many stages of its construction. By dissecting the drum construction into various la...

Techniques for Machine Understanding of Live Drum Performances by Eric Dean Battenberg Doctor of Philosophy in Engineering Electrical Engineering and Computer Sciences University of California, Berkeley Professor Nelson Morgan, Chair This dissertation covers machine listening techniques for the automated realtime analysis of live drum performances. Onset detection, drum detection, beat tracking...