Sökning: "förstärkare"

Visar resultat 1 - 5 av 17 avhandlingar innehållade ordet förstärkare.

1. 1. Preventing problem gambling: Focus on overconsumption

   Författare :Jakob Jonsson; Per Carlbring; Ingrid Munck; Ståle Pallesen; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; gambling; problem gambling; prevention; overconsumption; responsible gambling; online self-test; ESEM; psychometric properties; predictive; longitudinal; CFA; gambling fallacies; reinforcers; personalized behavioural feedback; motivational interviewing; gambling expenditure; RCT; 12-month follow-up; spel om pengar; problematiskt spelande; prevention; överkonsumtion; spelansvar; online självtest; ESEM; psykometriska egenskaper; prediktiv; longitudinell; CFA; tankefällor om spel; psykologiska förstärkare; personifierad återkoppling på beteende; motiverande samtal; spelutgifter; RCT; 12-månaders uppföljning; Psychology; psykologi;

   Sammanfattning : A proportion of gamblers experience problems. The role of overconsumption in developing gambling problems is sparsely described in the literature and there is little scientific knowledge about the prevention of gambling problems. LÄS MER

3. 2. Floating-Point Analog-to-Digital Converter

   Författare :Johan Piper; Institutionen för elektro- och informationsteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electronics and Electrical technology; matching; binary weighting; dynamic range; resolution; distortion; pipeline; A D-converter; floating-point; Elektronik och elektroteknik;

   Sammanfattning : To deal with the wide dynamic rage necessary for a radio receiver or corresponding applications, but to avoid impractically high resolution at high data rates, the approach of using a floating-point analog-to-digital converter (FP-ADC) has been investigated. This approach de-links the dynamic range with the resolution, and a very wide dynamic range can be achieved by an ADC with a moderate resolution. LÄS MER

4. 3. Power Scaling of Highly Compact Single-Frequency Yb-Doped Fiber Amplifiers

   Författare :Enkeleda Balliu; Hans-Erik Nilsson; Magnus Engholm; Pavel Peterka; Mittuniversitetet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; single-frequency; fiber amplifier; Yb-doped fibers; stimulated Brillouin scattering; compact lasers; thermal load; SHG; MOPA;

   Sammanfattning : Both scientific interests and industrial applications have stimulated the advance of single-frequency laser technology. The high spatial and temporal coherence of this technology has facilitated many applications such as gravitational wave detection, high-precision fiber sensors, high-resolution spectroscopy, holography, and nonlinear optical conversion. LÄS MER

5. 4. All-Digital PWM Transmitters

   Författare :Muhammad Touqir Pasha; Ted Johansson; Mark Vesterbacka; Henrik Sjöland; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Sammanfattning : Electronic devices with wireless connectivity are fast becoming a part of daily life. According to some estimates, in the next five years, 10 billion new devices with internet connectivity would be produced. LÄS MER

7. 5. On Massive MIMO Base Stations with Low-End Hardware

   Författare :Christopher Mollén; Erik G. Larsson; Thomas Eriksson; Josef Nossek; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; massive MIMO; hardware; ADC; power amplifier; out-of-band radiation; peak-to-average ratio;

   Sammanfattning : Massive MIMO (Multiple-Input Multiple-Output) base stations have proven, both in theory and in practice, to possess many of the qualities that future wireless communication systems will require.  They can provide equally high data rates throughout their coverage area and can concurrently serve multiple low-end handsets without requiring wider spectrum, denser base station deployment or significantly more power than current base stations. LÄS MER