Results 11 to 20 of about 644 (253)
Habitat use and reproductive success of ospreys in central interior California
California Fish and Wildlife Journal, 2022 The osprey (Pandion halieatus) declined globally in the mid-late 20th century due primarily to pesticide contamination that reduced reproduction. The species has recovered through much of its range, and its range in California has increased.
Daniel Airola, James A. Estep,
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YOLO-Based Real-Time Detection of Power Line Poles from Unmanned Aerial Vehicle Inspection Vision
Zhongguo dianli, 2019 Unmanned aerial vehicles (UAV)-based inspection has become an important approach for power line inspection after disaster. However, the current UAV-based inspection is still performed manually for damage assessments, which is not only time-consuming but ...
Jingdong GUO +4 more
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UTILIZATION OF MAN‐MADE ROOSTS BY TURKEY IN WEST TEXAS
Wildlife Society Bulletin, 1975 The Rio Grande turkey (Meleagris gallopavo intermedia) has extended its range into 1.4 million hectares (ha) of semiarid scrub mesquite prairie in West Texas.
H. G. Kothmann, G. W. Litton
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Detection of Obstacle Intrusion in Front of Train Based on Vehicle-borne LiDAR
Kongzhi Yu Xinxi Jishu, 2023 Obstacle intrusion threatens the running safety of automatically-operated train seriously. This paper proposes a method to detect obstacle intrusion in front of the trains based on vehicle-borne LiDAR. Firstly, a composite rail track model is established
ZENG Xiang +4 more
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System and application of video surrveillance based on edge computing
Dianxin kexue, 2020 With the popularization of video surveillance systems and the diversification of their applications,traditional data processing methods using cloud computing to handle all the computations are more and more unsustainable.Edge computing pre-processes ...
Sanming PAN, Mingqiang YUAN
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High Voltage, 2019 The authors present an analysis of different charge transfer modes during upward negative flashes. The analysis includes a total number of 94 pulses that occurred during two upward negative flashes recorded at the Säntis Tower.
Lixia He +8 more
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Influence of the structure of transmission line on harmonics distribution in DC system
The Journal of Engineering, 2019 The transmission distance of DC project is always long, and along the transmission distance, the structure of lines and towers varies according to local environment. It is hard to build a precise harmonic model composed of different sections of line with
Ji Yiming, Wu Fangjie, Zhang Yanbin
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Required jacking force for deviation rectification of inclined structures supported with rigid piles
Frontiers in Earth Science, 2022 Light poles or transmission towers may become tilted over the design life, which needs rectifying considering safety and continued use. The jacking pushing method is an efficient way to rectify deviations of these inclined structures supported with rigid
Shupeng Chai, Liujun Fan, Hui Liang
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Current pole inner distribution method for measuring tower grounding resistance
IOP Conference Series: Earth and Environmental Science, 2020 Abstract Three electrode method is a common method in measuring tower grounding resistance. However, its wiring distance is too long to complete accurate measurement in some terrain narrow areas, which is also an application problem to be solved urgently in the field of tower grounding resistance measurement.
Jun Guang Zhao +6 more
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A Review on Building Resilient Power Networks: Emphasizing Adjacent Span Dynamics
IEEE AccessThis research article presents a comprehensive review of resilience in power transmission and distribution (T&D) systems, focusing on key studies that examine structural integrity, mechanical stress distribution, and system reliability under ...
Tawsif Ahmad +5 more
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