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overshoot    音标拼音: ['ovɚʃ,ut]
vt. 打过头,越过
vi. 射击越标,过火
n. 超越度

打过头,越过射击越标,过火超越度

overshoot
过冲; 逸出; 过调节; 超越度

overshoot
过冲 超越量

overshoot
n 1: an approach that fails and gives way to another attempt
[synonym: {overshoot}, {wave-off}, {go-around}]
v 1: shoot beyond or over (a target) [ant: {undershoot}]
2: aim too high; "The plan overshoots its aim"

Overshoot \O`ver*shoot"\, v. t. [imp. & p. p. {Overshot}; p. pr.
& vb. n. {Overshooting}.]
1. To shoot over or beyond; to miss; as, to overshoot a mark;
to overshoot the green in golf. "Not to overshoot his
game." --South.
[1913 Webster]

2. Hence: To go beyond an intended point or limit; as, to
overshoot the runway in landing an airplane; to overshoot
the endpoint in a titration.
[PJC]

2. To pass swiftly over; to fly beyond. --Hartle.
[1913 Webster]

3. To exceed; as, to overshoot the truth. --Cowper.
[1913 Webster]

{To overshoot one's self}, to venture too far; to assert too
much.
[1913 Webster]


Overshoot \O`ver*shoot"\, v. i.
To fly beyond the mark. --Collier.
[1913 Webster]


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  • What are the main causes of overshoot and undershoot of a signal?
    In this respect, the terms "overshoot" and "undershoot" are used to describe the step response of such a device (a) Overshoot: If a system of (at least) second order has two complex poles (a pole pair) the step response will exhibit overshoot It is possible to find a relation between the pole quality factor Qp and the amount of overshoot (in %)
  • control system - Exact definition of overshoot - Electrical Engineering . . .
    Now I have a doubt regarding the definition of overshoot The book — Modern Control Engineering by Ogata defines maximum overshoot as: The maximum overshoot is the maximum peak value of the response curve measured from unity If the final steady-state value of the response differs from unity, then it is common to use the maximum percent
  • control system - Intuitive understanding of relation between phase . . .
    On the opposite, if you want a nervous system with a fast transient response but can tolerate a reasonable overshoot, then a reduced phase margin like 50-60° makes more sense Finally, the very minimum value below which the response becomes unacceptably ringing is 30° and it is the value given by the modulus margin condition together with a 6
  • measurement - TTL signal: output impedance, overshoot and other . . .
    In fact, the displayed sync wave (connecting the sync output directly to one of the channels of the scope, reading voltage over an open circuit basically) is an approx 4V square wave with a 400mV overshoot (approximately 100us long), and with an approx 200mV DC offset, which is consistent with my findings (TTL low levels are 0-0,4V, while TTL
  • Open loop gain and Percent Overshoot Relationship
    For 2nd order systems, ζ=1 for 0% step overshoot For greater than 2nd order, ζ needs to greater than 1 for 0% step overshoot These are called Bessel response filters These have the lowest component sensitivity and lowest Q<1, ζ>1 filters of all filter types with orders >2
  • control - Larger phase margin means less overshoot? - Electrical . . .
    Clearly, we see a faster rise time for the system with the high bandwidth (the left one) However, we also see many oscillations and large overshoot For the system with high phase margin, we see less oscillations and smaller overshoot But we also see a slower response, due to the lower bandwidth
  • mosfet - Why is there so much overshoot in my LED circuit and how do I . . .
    I have placed a couple of caps to decouple the power supply, there is still an overshoot: I've added a 100nF ceramic cap across D4 and the overshoot is totally gone: It looks good now, but notice the 2nd channel (in yellow) That's the power supply (which is a lot cleaner with the decoupling caps) Now another question comes in mind:
  • current - Reducing Undershoot and Overshoot in a custom voltage . . .
    Start with 100 pF for the cap and 10 kΩ in series with the feedback to see what happens Adjust the feedback series resistor to get the step response you want Lower values will make a faster step response but will cause overshoot Higher values will decrease and then eliminate overshoot but at the expense of response time
  • Please help me explain the overshoot and undershoot in CMOS inverter
    In the initial portion of the rise, the PMOS is still (fully) on, and the NMOS has not started to turn on However, there is gate-drain capacitance in that device (and also in the PMOS) So, the input signal is capacitively coupled to the output The PMOS tends to shunt some of that coupling to VDD, but isn't 100 % successful -- thus the overshoot
  • Why overshoot happens in Inductor voltage in an open loop DC-DC buck . . .
    Inrush current and voltage overshoot will be much worse The underlying reason is that the voltage across the inductor is initially Vin This will cause the inductor current to ramp much faster at first than in the steady state case The inductor will be in the continuous conduction regime and overshoot the steady state voltage as well





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