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  2. Frequency modulation - Wikipedia

    en.wikipedia.org/wiki/Frequency_modulation

    Consider, for example, a 6-MHz carrier modulated at a 3.5-MHz rate; by Bessel analysis, the first sidebands are on 9.5 and 2.5 MHz and the second sidebands are on 13 MHz and −1 MHz. The result is a reversed-phase sideband on +1 MHz; on demodulation, this results in unwanted output at 6 – 1 = 5 MHz.

  3. Internal model (motor control) - Wikipedia

    en.wikipedia.org/wiki/Internal_model_(motor_control)

    For example, if, in addition to reaching with the arm, the hand must be controlled to grab an object, an efference copy of the arm motor command can be input into a forward model to estimate the arm's predicted trajectory. With this information, the controller can then generate the appropriate motor command telling the hand to grab the object.

  4. Motor constants - Wikipedia

    en.wikipedia.org/wiki/Motor_constants

    For example, an unloaded motor of = 5,700 rpm/V supplied with 11.1 V will run at a nominal speed of 63,270 rpm (= 5,700 rpm/V × 11.1 V). The motor may not reach this theoretical speed because there are non-linear mechanical losses.

  5. Electric motor - Wikipedia

    en.wikipedia.org/wiki/Electric_motor

    An industrial electric motor . An electric motor is a machine that converts electrical energy into mechanical energy.Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft.

  6. Quick return mechanism - Wikipedia

    en.wikipedia.org/wiki/Quick_return_mechanism

    Powered by a motor, the disc rotates and the arm follows in the same direction (linear and left-to-right, typically) but at a different speed. When the disc nears a full revolution, the arm reaches its furthest position and returns to its initial position at a quicker rate, hence its name. Throughout the cut, the arm has a constant velocity.

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Frequency modulation synthesis - Wikipedia

    en.wikipedia.org/wiki/Frequency_modulation_synthesis

    FM-X uses 8 operators. Each FM-X operator has a set of multi-spectral wave forms to choose from, which means each FM-X operator can be equivalent to a stack of 3 or 4 DX7 FM operators. The list of selectable wave forms includes sine waves, the All1 and All2 wave forms, the Odd1 and Odd2 wave forms, and the Res1 and Res2 wave forms.

  9. Reverse mortgage: What it is and how it works - AOL

    www.aol.com/finance/reverse-mortgage-works...

    Proprietary reverse mortgage – This is a loan offered by a private reverse mortgage lender and not insured by the government. Some proprietary reverse mortgage options allow you to take out a ...