Operation in which the punch removes material from the edge or corner of a strip or blank
Notching is the periodic voltage disturbance caused by the normal operation of power electronic devices (such as a three-phase converter) when current is commutated from one phase to another When the current commutates, there is a momentary short circuit between the two remaining phases, pulling the voltage as close to zero as permitted by system impedances Since notching occurs continuously, it can be characterized through the harmonic spectrum of the affected voltage
Out of all notch Out of all bounds The allusion is to the practice of fitting timber: the piece which is to receive the other is notched upon; the one to fit into the notch is said to be notched down
This is a round or square indentation cut into the mold wall to act as a locking device in conjunction with key grooves They are usually placed every three or four inches along the mold wall, depending on the size of the mold
the location in a range of mountains of a geological formation that is lower than the surrounding peaks; "we got through the pass before it started to snow"
If you notch a success, especially in a sporting contest, you achieve it. The President is keen to notch a political triumph that would foster freer world trade and faster economic growth
The portion of the radar velocity display where a target disappears due to being notched out by the zero doppler filter If not filtered (notched), ground clutter would also appear on the display A notch filter is a narrow band-reject filter A "notch maneuver" is used to place a tracking radar on the beam of the aircraft so it will be excluded
A notch is a small V-shaped or circular cut in the surface or edge of something. They cut notches in the handle of their pistol for each man they shot. = nick see also top-notch
You can refer to a level on a scale of measurement or achievement as a notch. Average earnings in the economy moved up another notch in August In this country the good players are pulled down a notch or two
A word used to describe a very narrow band of frequencies to be cut by an equalizer When an EQ circuit has a very high Q (narrow bandwidth) it is sometimes referred to as a notch filter Notch filters are commonly used to suppress feedback in monitor or PA systems, and are sometimes used to remove specific types of hum and noise in recordings
a small cut a V-shaped or U-shaped indentation carved or scratched into a surface; "there were four notches in the handle of his revolver" a V-shaped indentation; "mandibular notch" notch a surface to record something cut or make a notch into; "notch the rope