Bandwidth in Hertz to Bandwidth in Bits. This quadrature PSK (QPSK) example is one of the simplest modulation schemes. Each set of two input bits modifies the carrier into four phase angles. The amplitude remains constant, unlike QAM modulation, in which the amplitude is varied (see QAM).
What is it: Damage to some or all of the fibres of the Lateral Collateral Ligament on the outer side of the knee. Symptoms: Outer knee pain, swelling, bruising, instability, stiffness. Causes: A blow to the inside or the knee, sudden twisting or a fall where the lower leg is forced inwards.
What Causes Pain Behind the Knee? Why Does it Hurt in the Back of my Knee or Knee Cap? Back of knee pain, also known as posterior knee pain, can come in varied forms ranging from slight to sharp pain behind knee to pain in the back of knee when bending to back of knee pain after sitting.