Essays about: "Low frequency"

Showing result 16 - 20 of 1063 essays containing the words Low frequency.

1. 16. Is the Echo English series relevant for advanced learners? : -A study on lexical character and recycling in two Swedish EFL textbooks for upper secondary school

   University essay from Örebro universitet/Institutionen för humaniora, utbildnings- och samhällsvetenskap

   Author : Magnus Ejnarsson; [2023]
   Keywords : Incidental learning; textbook analysis; recycling; pedagogy;

   Abstract : This study aims to provide additional research into how Swedish EFL textbooks support incidental vocabulary learning through reading texts, specifically for textbooks aimed at upper secondary school, expecting a greater emphasis on recycling mid- and low-frequency words. The study has investigated the lexical character of two textbooks, Echo English 5 and Echo English 7, as well as how they recycle lemmas and how well they recycle lemmas from the mid- and low-frequency bands. READ MORE

3. 17. Design of a grating lobe mitigated antenna array architecture integrated with low loss PCB filtering structures

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Eduardo Salvador Lopez; [2023]
   Keywords : Band-pass filters; Beam forming networks; Irregular subarrays; Particle Swarm Optimization; PCB; Penrose tessellation; Planar phased arrays; Quantization lobes; Scanning; Suspended stripline; Bandpassfilter; lobformning; matningsnätverk; Irreguljära gruppantenner; Particle Swarm Optimization; PCB; Penrose tessellation; Plana fasade gruppantenner; sidlober; Utstyrningsvinkel; Suspended stripline;

   Abstract : Massive multiple input multiple output - MIMO systems are a reality and modern communication systems rely upon this technology to cope with the increasing need for capacity and network usage. Antenna arrays are at the heart of the of the massive-MIMO system and are the enabling technology. READ MORE

4. 18. Acoustic perception of Metal live performance in a multipurpose hall (Black Box) : A study into the influence of the acoustical quality of a Black Box regarding Metal live performance.

   University essay from Luleå tekniska universitet/Institutionen för ekonomi, teknik, konst och samhälle

   Author : Sam Soliman; [2023]
   Keywords : Metal; room acoustics; influence; live performance; parameters; acoustics;

   Abstract : A study has been implemented regarding the acoustical characteristics of a black box and its influence on rock and metal music live performance. Objective acoustical measurements have been made as well as a subjective evaluation in form of a listening test. READ MORE

5. 19. Yearly distribution and composition of per- and polyfluoroalkyl substances (PFAS) in Luleå wastewater treatment plant

   University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Author : Moa Sjöberg; [2023]
   Keywords : PFAS; WWTP; Wastewater treatment; Consumer products; Precursors;

   Abstract : PFAS (per- and polyfluoroalkyl substances) are a large group of substances that are used in a large variety of products because of their unique water and dirt repellent properties. The substances are extremely persistent and can spread over large distances in groundwater, surface water, and in the air, which makes them an environmental and a health concern. READ MORE

6. 20. Establishing novel approaches for assessing safety of genome-editing-based therapeutics

   University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

   Author : Noorul Shaheen Sheikh Farid; [2023]
   Keywords : ;

   Abstract : Genome editing based medicines are a new therapeutic modality being developed. They show great promise for a spectrum of genetic diseases lacking conventional treatment strategies. A major obstacle that prevents such therapies to reach the clinic is their safety. READ MORE