passive scanning
1Scanning Multichannel Microwave Radiometer — The Scanning Multichannel Microwave Radiometer (SMMR) [pronounced simmer] was a 5 frequency radiometer flown on the Seasat and Nimbus 7 satellites. Both were launched in 1978, with the Seasat mission lasting less than six months until failure of… …
2scanning — The act of imaging by traversing with an active or passive sensing device, often identified by the technology or device employed. transvaginal s. ultrasonography of the female pelvis with the transducer placed inside the …
3Cargo scanning — Intermodal Shipping Containers Cargo scanning or non intrusive inspection (NII) refers to non destructive methods of inspecting and identifying goods in transportation systems. It is often used for scanning of intermodal freight …
4Environmental scanning — DefinitionEnvironmental scanning is a process of gathering, analyzing, and dispensing information for tactical or strategic purposes. The environmental scanning process entails obtaining both factual and subjective information on the business… …
5Conical scanning — is a system used in early radar units to improve their accuracy, as well as making it easier to steer the antenna properly to point at a target. Conical scanning is similar in concept to the earlier lobe switching concept used on some of the… …
6Network detector — Network detectors or network discovery software are computer programs that facilitate detection of wireless LANs using the 802.11b, 802.11a and 802.11g WLAN standards.[1] Discovering networks may be done through active as well as passive scanning …
7Wireless hacking — In security breaches, wireless hacking is the unauthorized use or penetration of a wireless network. A wireless network can be penetrated in a number of ways. There are methods ranging from those that demand a high level of technological skill… …
8Beacon frame — Beacon frames are part of the IEEE 802.11 wireless network protocol.Beacon Frames are frames that have control information and are transmitted in each of the 11 channels and help a wireless station to identify nearby wireless access points (AP)… …
9Ettercap (computing) — Infobox Software name = Ettercap caption = author = ALoR and NaGA developer = released = January 25, 2001 latest release version = NG 0.7.3 latest release date = release date and age|2005|05|29 programming language = C operating system = Cross… …
10Full body scanner — Backscatter x ray image of TSA Security Laboratory Director Susan Hallowell. A full body scanner is a device that creates an image of a person s nude body through their clothing to look for hidden objects without physically removing their clothes …
