blind zone

blind zone

[′blīnd ‚zōn]
(communications)
Area from which echoes cannot be received; generally, an area shielded from the transmitter by some natural obstruction and therefore from which there can be no return.

blind zone

blind zone
i. In radar, it refers to the direction from which echoes cannot be received. This results from objects getting in the way of radar signals.
ii. In communications system, it is an area or direction from which signals cannot be received or to which messages cannot be transmitted. In HF (high frequency) communications, it is the arc between the transmitter and the point where the sky wave meets the ground at the first instance. In VHF (very high frequency) and UHF (ultrahigh frequency) communications, buildings or hills can create blind zones.
iii. The portions of the airport not visible from the control tower. See also blind spot.
References in periodicals archive ?
Building on the improvements of previous CIVCO offerings such as Infiniti Plus(TM) and the Ultra Pro(TM) family of products, Verza delivers improved flexibility, optimal stability, increased accuracy and more efficient functionality while minimizing blind zone and unguided needle length.
It features a Chevrolet MyLink radio with a 7-inch diagonal infotainment screen, Android Auto and Apple CarPlay compatibility, OnStar 4G LTE with Wi-Fi, a rear-view camera, side blind zone alert, rear cross traffic alert, lane keep assist and forward collision warning.
Today, it is one of the best-equipped vehicles in the midsize segment; available side blind zone alert and rear cross traffic alert complement the available forward collision alert and lane departure warning to enhance Malibu's crash-avoidance capability.
Side Blind Zone Alert alerts the driver if a vehicle is in the left or right side blind spot before a possible lane change.
Side blind zone alert and cross traffic alert are standard on Acadia Denali and SLT-2.
Besieged GM CEO Mary Barra spent most of her year dealing with questions about safety recalls, but enthusiastically participated in the unveiling of the 2016 Chevrolet Volt, which was added active safety features such as lane keeping assist with lane departure warning, side blind zone alert with lane change alert, rear cross traffic alert, and forward collision alert.
Some usually upscale amenities and safety equipment are available, too, including a side blind zone alert system and forward collision warning.
The team is also working to reduce the blind zone, or the area so close to a quake that there is essentially no time to provide a warning.
Introducing new levels of comfort and technology, the new full-size sedan presents one of the most comprehensive collections of standard and available safety features in the segment, such as 10 standard air bags, forward collision alert, lane departure warning and side blind zone alert.
6L V6 Direct Injection engine with 305 Horsepower, an all-new exterior design with sleek proportion and sculpted body sides, amazing boot space, MyLink 8" colour touch screen display with hidden storage and valet mode and active safety features like 10 Standard Airbags, StabiliTrak - Stability Control System, Side Blind Zone Alert, Forward Collision Alert and Lane Departure Warning.
And to complement power with safety, its industry-leading safety features include 10 standard air bags, forward collision alert, lane departure warning, side blind zone alert, rear cross traffic alert, rear camera and rear-park assist.
Technologies never seen before in this model include stuff like Side Blind Zone Alert, Automatic Park Assist, a reversing camera and headup display on the windscreen showing vehicle speed, engine temperature and even G-forces.