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Showing result 1 - 5 of 328 essays matching the above criteria.

1. 1. Space Utilization in Road Transportation: A Case Study of Truck Deliveries

   University essay from Göteborgs universitet/Graduate School

   Author : Marija Nikolova; Sirious Nterai; [2023-07-03]
   Keywords : Distribution; Emissions; Packaging; Truck deliveries; Space Utilization; Space Optimization;

   Abstract : Aim: To understand why big logistics companies do not focus their resources on improving space utilization and decreasing the phenomenon of empty running. Moreover, this study aims to present the potential economic and environmental benefits of reduced excess air in packaging and its effect on truck deliveries. READ MORE

3. 2. TECHNOLOGICAL ASSESSMENT OF HYDROGEN (FUTURE SCENARIOS: SOCIOLOGICAL, ENVIRONMENTAL, ECONOMIC, AND ENERGETIC ASPECTS)

   University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

   Author : Arturo Martínez Lozano; [2023-03-08]
   Keywords : ;

   Abstract : Nowadays, the term energy transition is coming into vogue, as many countries are adopting the climate change agenda across the world to achieve sustainable development goals and change from nonrenewable energies to those coming from inexhaustible energy sources, that are more efficient and less polluting. Power-to-hydrogen is an auspicious solution for storing variable renewable energies. READ MORE

4. 3. Garden-based learning in teacher education in Germany - A mixed-method study of teacher students´ and teacher educators´ views on garden-based education

   University essay from Göteborgs universitet/Institutionen för didaktik och pedagogisk profession

   Author : Lena Rothe; [2023-01-09]
   Keywords : garden-based learning; teacher education; food system education; case study; learning garden;

   Abstract : Aim: This study focuses on achieving an in-depth understanding of teacher educators' and teacher students' perspectives on garden-based learning in the teacher education program in several universities in Germany. Theory: The theoretical framework is based on three theories. READ MORE

5. 4. Solutions for presence detection in an intercom door station

   University essay from Lunds universitet/Industriell elektroteknik och automation

   Author : Anton Bengtsson; Måns Andreasson; [2023]
   Keywords : presence detection; sensor technology; PIR; ultrasonic; radar; intercom; Technology and Engineering;

   Abstract : In this work, different solutions for human presence detection in a door intercom device are examined. The study was conducted at a company in Lund, Sweden. READ MORE

6. 5. Digital Front End Algorithms for Sub-Band Full Duplex

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Midhat Rizvi; Khaled Al-Khateeb; [2023]
   Keywords : Adjacent Channel Leakage Ratio; Bit Error Rate; Clipping and Filtering; Crest Factor Reduction; Digital front end; Digital Pre-Distortion Error Vector Magnitude; Frequency Division Duplex; Power Amplifier; Peak to Average Power Ratio; Peak Cancellation Crest Factor Reduction; Sub Band Full Duplex; Self-Interference Cancellation; Signal-to-Interference Noise Ratio; Signal-to-Noise Ratio; Turbo Clipping; Time Division Duplex; Technology and Engineering;

   Abstract : Sub-band full duplex is a new communication scheme technology, where a single frequency band is partitioned into sub-bands for downlink (DL) and up-link(UL) transmissions, and both can take place simultaneously. The idea behind the sub-band full duplex development is to improve the throughput, and coverage and reduce the latency of the UL communication by allowing the UL reception during the DL transmission. READ MORE