What is polarization modulation technique?
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Polarization modulation is a technique used to increase the stability of measurements by distinguishing a polarized signal from system drifts and unpolarized foregrounds. It can also reduce systematic errors from instrument polarization when placed close to the sky. The technique involves the use of a polarization modulator, such as a reflective half-wave plate (RHWP) or a polarization sensitive array (PSA), to manipulate the polarization states of the signal. The modulator can be rotated or controlled to produce different polarization states at different directions, allowing for increased channel capacity and improved physical layer security. The method can be applied in various fields, including millimeter wavelength range measurements and high-order modulation coding.
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12 Nov 2015 | The paper does not provide a direct explanation of the polarization modulation technique. |
| The provided paper does not explicitly mention the term "polarization modulation technique." | |
| The provided paper does not specifically mention the term "polarization modulation technique." | |
09 Aug 2022 | The paper does not provide a direct explanation of the polarization modulation technique. |
09 Aug 2022 | The paper does not provide a direct explanation of the polarization modulation technique. |
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What is polarization?2 answersPolarization is an electromagnetic property that is highly integrated with antennas, waves, and propagation. It can be defined as the dipole moment per unit volume or as the integral of the current density over an adiabatic transition between two nearby states. The classical perspective of polarization provides a simpler and less constrained treatment compared to the quantum-mechanical approach. It can be rigorously and unambiguously defined for various charge distributions, whether periodic or nonperiodic, finite or infinite, electrically neutral or non-neutral, continuous or discrete, and at any temperature. Different cell types exhibit diverse behaviors of polarization in response to spatial stimuli, and various models have been proposed to explain this phenomenon. The polarization identity in linear algebra expresses the inner product of a complex inner product space in terms of the norm, and it can be generalized to an associative algebra equipped with an involution. Polarization is also recognized as an important aspect of interpersonal conflict and conflict resolution, with the process of opinion change becoming markedly different at the point where violence begins.
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