Forskjell mellom versjoner av «Evaluering i TFY4190 Instrumentering»

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== Diverse ==
 
== Diverse ==
 
* [http://en.wikipedia.org/wiki/Thermocouple Wikipedia: Thermocouple]
 
* [http://en.wikipedia.org/wiki/Thermocouple Wikipedia: Thermocouple]
 +
 +
== Multichoice spørsmål ==
 +
Legger ut spørsmål med svar.
 +
 +
An anti-alias filter is
 +
* placed berore the input to remove frequancies above the Nyquist limit
 +
 +
The resolution of a DAC depends on
 +
* The number of bits
 +
 +
A LabVIEW program gives the value of an integer as 65534. You know that this actually is a small negative number, but represented as an unsigned 16-bit integer. The small number is
 +
* -2
 +
 +
In addition to letters and numbers, the 7-bit ASCII code has codes for
 +
* Codes for communication control
 +
 +
If the transfer function of a regulator has poles in the right half plane
 +
* The output will increase exponentially with time
 +
 +
Suppose we have a small signal in the range 0 - 2 mV. It can be amplified by a factor of 1000. We have the choice of two AD converters, one 12 bit with range ± 10V and one 10 bit with range 0 - 5V. Which one has the best resolution?
 +
* they are equal
 +
 +
Thermocouples need zero-point correction because
 +
* Their output gives the temperature difference between two junctions
 +
 +
Shot noise has a frequency dependance that is called
 +
* White noise
 +
 +
One of the following units is not used for magnetic fields:
 +
* henry
 +
 +
The transmission velocity of a signal on a coaxial line depends mainly on
 +
* The dielctric

Revisjonen fra 30. apr. 2007 kl. 13:45

I faget Instrumentering består deler av evalueringen av en fire-timers prøve, der alle bøker samt Internett er tillatte hjelpemidler. I den forbindelse kan det være greit å ha en oversikt over nettsider med relevant informasjon. Linkene er forsøkt sortert slik pensumlisten er inndelt, enn hvor ulogisk den kan være.

Generelt

Tall i datamaskiner

Flyttall

Representasjon av negative tall

Støy

Støytyper

Data-konvertering

AD-convertere

Sampling

Diverse

Multichoice spørsmål

Legger ut spørsmål med svar.

An anti-alias filter is

  • placed berore the input to remove frequancies above the Nyquist limit

The resolution of a DAC depends on

  • The number of bits

A LabVIEW program gives the value of an integer as 65534. You know that this actually is a small negative number, but represented as an unsigned 16-bit integer. The small number is

  • -2

In addition to letters and numbers, the 7-bit ASCII code has codes for

  • Codes for communication control

If the transfer function of a regulator has poles in the right half plane

  • The output will increase exponentially with time

Suppose we have a small signal in the range 0 - 2 mV. It can be amplified by a factor of 1000. We have the choice of two AD converters, one 12 bit with range ± 10V and one 10 bit with range 0 - 5V. Which one has the best resolution?

  • they are equal

Thermocouples need zero-point correction because

  • Their output gives the temperature difference between two junctions

Shot noise has a frequency dependance that is called

  • White noise

One of the following units is not used for magnetic fields:

  • henry

The transmission velocity of a signal on a coaxial line depends mainly on

  • The dielctric
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