Modulation Type of Modulation Two Format Modulation is

Modulation Type of Modulation Two Format Modulation is Popular 1. Digital to Analog Modulation 2. Analog to Digital Modulation

Modulation Analog Signal Modulation ������ Analog ���������������� 3 ���� - Amplitude Modulation (AM) -Frequency Modulation (FM) -Phase Modulation (PM)

Modulation Analog Signal Modulation Amplitude Modulation (AM) �������� ������ ON-OFF ��������� ��� Bandwidth ���������

Modulation Analog Signal Modulation Frequency Modulation (FM) ������� ������� Amplitude ������������ �� ��������� Amplitude

Modulation Analog Signal Modulation Phase Modulation (PM) �������� Phase ��������� 0 ��� 1 ��������� 2 Phase ������� Bit

Modulation Digital to Analog Modulation ������ Digital �������� Analog ������������� ��� MODEM (MOdulator-DEModulator)

Modulation Digital to Analog Modulation is Fifth format. 1 Amplitude-Shift Keying (ASK) 2. Frequency-Shift Keying (FSK) 3. Phase-Shift Keying (PSK) or Differential Phase Shift Keying(DPSK) 4. Quadrature Amplitude Modulation (QAM) 5. Trellis Coded Modulation (TCM)

Modulation Digital to Analog Modulation. 1 Amplitude-Shift Keying (ASK)

Modulation Digital to Analog Modulation. 2 Frequency-Shift Keying (FSK)

Modulation Digital to Analog Modulation. 3 Phase-Shift Keying (PSK) or Differential Phase Shift Keying(DPSK) ���������� 2 ����� -Phase Shift Keying(PSK) - Differential Phase Shift Keying (DPSK)

Modulation Digital to Analog Modulation. 3 Phase-Shift Keying (PSK) or Differential Phase Shift Keying(DPSK)

Modulation Digital to Analog Modulation - Phase Shift Keying(PSK) �� ������ ������ Phase Shift Keying (PSK) ��������� 0 ���� 1 ���� 0 ������� 180 ����

Modulation Digital to Analog Modulation - Differential Shift Keying (DPSK) ������� ����� Differential Shift Keying (DPSK) ���������� 180 ������������ 1 ����������

Modulation Digital to Analog Modulation 4. Quadrature Amplitude Modulation (QAM)

Modulation Digital to Analog Modulation 5. Trellis Coded Modulation (TCM) ������������������� ��� QAM ������������������� �� Redundant Bit ����� 1 Bit

Modulation Analog to Digital Modulation �������� �Analog ������ Digital ������ Analog ������ Digital ������� CODEC (COdec/DECodec)

Modulation Analog to Digital Modulation ��������� Analog ������ Digital ����� �� 2 ����������. 1 Pulse Amplitude Modulation (PAM) Popular 2. Pulse Code Modulation (PCM) 3. Pulse Duration Modulation (PDM) 4. Pulse Position Modulation (PPM)

Modulation Analog to Digital Modulation . 1 Pulse Amplitude Modulation (PAM) ��������� (Sampling) ������ Analog ���������� ������ Analog

Modulation Analog to Digital Modulation

Modulation Analog to Digital Modulation 2. Pulse Code Modulation (PCM) ������� Quantize ������ Analog ��������� PAM ��������� Digital �����

Modulation Analog to Digital Modulation 3. Pulse Duration Modulation (PDM) ������ Pulse ���������� ��� �

Modulation Analog to Digital Modulation 4. Pulse Position Modulation (PPM) ����� Pulse ������ ������� Analog ��������