Abstract: An antennae system for a detector. The antennae system includes a two-dimensional electro-magnetic transmitter array that has an x number of transmitter elements, and a two-dimensional electro-magnetic receiver array that has a y number of receiver elements. The two-dimensional electro-magnetic transmitter and receiver arrays have a spatial relationship such that at least one subset of the two-dimensional electro-magnetic transmitter and receiver arrays forms a regular array of spatial displacements of z pairwise combinations of transmitter and receiver elements, where z is greater than the sum of x and y.

Abstract: Methods and apparatus are presented that reduce the overall system cost for automotive radar sensing applications. In accordance with aspects of the present invention, one way sensor count reduction can be achieved is through the coverage of multiple vehicle sides through a single sensor. One embodiment combines all high-frequency signal sensor components with an antenna network which are together separately housed as an antenna unit. Each antenna unit transmits high-frequency radar signals and receives and down-converts reflected portions of said transmitted signal. The low-frequency down-converted signals produced by each antenna unit are processed through a shared processing unit which may be separately housed from all antenna units or commonly housed with an antenna unit. In addition, methods for effectively utilizing a sensor comprising multiple antenna units are described according to aspects of the present invention. Other methods and apparatus are presented.

Abstract: Methods and apparatus are presented that reduce the overall system cost for automotive radar sensing applications through reduction of the number of the radar sensors required. In accordance with aspects of the present invention, one way sensor count reduction can be achieved is through the combination of target range, direction, and velocity determination capability with wide angular field of view coverage within a single sensor unit. One embodiment combines a transmit-pulsed, linearly stepped frequency modulated, transmit power limited radar architecture with a spatially separated receiver antenna array, intermediate frequency down-conversion, and a digital multi-zone monopulse (DMM) signal processing technique for high-resolution target range, velocity, and azimuth angle determination and fast update rate capability in a low cost, mass-production-capable design.

Abstract: Methods and apparatus are presented that reduce the overall system cost for automotive radar sensing applications through reduction of the number of the radar sensors required. In accordance with aspects of the present invention, one way sensor count reduction can be achieved is through the combination of target range, direction, and velocity determination capability with wide angular field of view coverage within a single sensor unit. One embodiment combines a wide field of view antenna means with a wideband/ultra-wideband/precision-ultra-wideband radar transmitter-receiver and an interferometric direction-finding means into a single sensor unit. Other methods and apparatus are presented.

Abstract: Optical recording measurement package provides methods and techniques for identifying and categorizing each feature (pittspace) within an optical recording data waveform and for buffering, analyzing and displaying in various ways data regarding the identified features. To identify or extract each feature in a supplied waveform, levels of the waveform are considered to be within one of three zones of which the middle (or second) zone represents an amount of required hysteresis of the waveform and which includes a threshold level. A state machine having a number of states is provided to record the true edges of the features of the optical recording data waveform.