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  2. Non-return-to-zero - Wikipedia

    en.wikipedia.org/wiki/Non-return-to-zero

    The binary signal is encoded using rectangular pulse-amplitude modulation with polar NRZ(L), or polar non-return-to-zero-level code. In telecommunications, a non-return-to-zero (NRZ) line code is a binary code in which ones are represented by one significant condition, usually a positive voltage, while zeros are represented by some other significant condition, usually a negative voltage, with ...

  3. Line code - Wikipedia

    en.wikipedia.org/wiki/Line_code

    An example of coding a binary signal using rectangular pulse-amplitude modulation with polar non-return-to-zero code An example of bipolar encoding, or AMI. Encoding of 11011000100 in Manchester encoding An example of differential Manchester encoding An example of biphase mark code An example of MLT-3 encoding

  4. Bipolar encoding - Wikipedia

    en.wikipedia.org/wiki/Bipolar_encoding

    1337 number, as represented in bipolar encoding, known as AMI (Alternate mark inversion), where : 1337 10 = 10100111001 2. In telecommunication, bipolar encoding is a type of return-to-zero (RZ) line code, where two nonzero values are used, so that the three values are +, −, and zero.

  5. Pulse-code modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-code_modulation

    The word pulse in the term pulse-code modulation refers to the pulses to be found in the transmission line. This perhaps is a natural consequence of this technique having evolved alongside two analog methods, pulse-width modulation and pulse-position modulation , in which the information to be encoded is represented by discrete signal pulses of ...

  6. Modified AMI code - Wikipedia

    en.wikipedia.org/wiki/Modified_AMI_code

    If the result is an even number then +00+ or −00− is used. To determine which polarity to use, one must look at the pulse preceding the four zeros. If 000V form must be used then V simply copies the polarity of last pulse, if B00V form must be used then B and V chosen will have the opposite polarity of the last pulse.

  7. E-NRZ-L - Wikipedia

    en.wikipedia.org/wiki/E-NRZ-L

    In telecommunication, an enhanced-non-return-to-zero-level (E-NRZ-L) line code is a binary code in which 1s are represented as low level and 0s are represented as high level condition with no other neutral or rest condition, similar to Non-return-to-zero; However, the major enhancement over NRZ is the addition of a parity bit (usually odd parity) to the end of the bit stream.

  8. Current Procedural Terminology - Wikipedia

    en.wikipedia.org/wiki/Current_Procedural_Terminology

    The CPT code revisions in 2013 were part of a periodic five-year review of codes. Some psychotherapy codes changed numbers, for example 90806 changed to 90834 for individual psychotherapy of a similar duration. Add-on codes were created for the complexity of communication about procedures.

  9. Licensed behavior analyst - Wikipedia

    en.wikipedia.org/wiki/Licensed_behavior_analyst

    A licensed behavior analyst is a type of behavioral health professional in the United States. They have at least a master's degree, and sometimes a doctorate, in behavior analysis or a related field. [1] Behavior analysts apply radical behaviorism, or applied behavior analysis, to people. [1]