nonlinear distortion การใช้

• Coupling capacitors can also introduce nonlinear distortion at low frequencies.
• In principle, PCM digital systems have the lowest level of nonlinear distortion at full signal amplitude.
• They may also be used for idle channel noise, nonlinear distortion, and amplitude-distortion measurements.
• Some modulation schemes, such as frequency modulation, survive the nonlinear distortion without ill effect ( but schemes such as amplitude modulation do not ).
• But when he introduced small amounts of nonlinear distortion, the subjects preferred a restricted bandwidth, thus demonstrating clearly the importance of high quality in audio systems.
• Combination tones can also be produced electronically by combining two signals in a circuit that has nonlinear distortion, such as an amplifier subject to clipping or a ring modulator.
• For example, in electrical engineering, negative feedback is used in amplifiers to trade stability of the gain and / or bias point, noise immunity, and reduction of nonlinear distortion.
• Again supported by the U . S . Office of Naval Research, the primary aim of the underwater experiments was to determine the range limitations of sonar pulse propagation due to nonlinear distortion.
• In case of nonlinear distortion, when the drift velocity varies during the scan, the number of common features on CSIs whose coordinates need to be measured increases in proportion to the degree of the nonlinearity.
• They affect the signal because of their upper and lower frequency limits and therefore can not transmit DC . In addition, analog signals can suffer from nonlinear distortion, especially near the frequency limits of the device.
• Early digital systems may have suffered from a number of signal degradations related to the use of analog anti-aliasing filters, e . g ., time dispersion, nonlinear distortion, temperature dependence of filters etc . ( Hawksford 1991 : 8 ).
• Even in a transistorised amplifier with hard clipping, the gain of the transistor will be reducing ( leading to nonlinear distortion ) as the output current increases and the voltage across the transistor reduces close to the saturation voltage ( for bipolar transistors ), and so " full power " for the purposes of measuring distortion in amplifiers is usually taken as a few percent " below " clipping.