Traffic monitoring system for speed measurement and assignment of moving vehicles in a multi-target recording module

A recording module and monitoring system technology, which is applied to the traffic control system of road vehicles, traffic control system, radio wave measurement system, etc., can solve the problems of errors, lack of accuracy of radar data, insufficient resolution, etc. The effect of reducing the complexity of data processing and reducing uncertainty

Inactive Publication Date: 2014-11-05
JENOPTIK ROBOT GMBH
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Problems solved by technology

While this combination simplifies the process of assigning radar data to specific vehicles, the accuracy of the radar data is still insufficient due to the lack of resoluti

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  • Traffic monitoring system for speed measurement and assignment of moving vehicles in a multi-target recording module
  • Traffic monitoring system for speed measurement and assignment of moving vehicles in a multi-target recording module
  • Traffic monitoring system for speed measurement and assignment of moving vehicles in a multi-target recording module

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[0058] The basic prerequisite for understanding the invention explained below is (due to the multi-target capability of the traffic monitoring system) so-called vehicle tracking.

[0059] Tracking refers to the process of following one or more vehicles in the observed scene, so that the driving direction, speed, position, and optionally additional characteristics such as shape, size, vehicle type, color, and motor vehicle license plate can be read.

[0060] This tracking can be done by only one sensor or by a combination of values ​​from different sensors. If these values ​​from different sensors (the sensors can also be of the same type) are processed, the term "sensor fusion" is used in this regard.

[0061] In principle, the tracking for road traffic measurement systems includes a staggered procedure. In the first stage, the sensor provides raw data. Generally, the raw data is queried every certain time (for example, 100 seconds / time) and an incomplete picture of the road scene ...

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Abstract

The invention relates to a traffic monitoring system for speed measurement and assignment of moving vehicles in a multi-target recording module. The object of finding a new possibility for more accurate speed measurement and reliable assignment of vehicles, wherein the problems with regard to assigning speeds to vehicles at relatively great distances and measurement uncertainties associated therewith are reduced, is achieved according to the invention by virtue of the fact that, besides a first, azimuthally measuring tracking radar sensor, at least one further tracking radar sensor having an antenna structure that is of the same type but is operated at a different frequency is arranged in a manner rotated by a defined angle relative to the antenna structure of the first tracking radar sensor, such that the further tracking radar sensor forms an antenna structure for acquiring at least one signal component for the reconstruction of vertical distances, extents and elevation angle positions of the moving vehicles and provides measurement data at its sensor output.

Description

technical field [0001] The present invention relates to a traffic monitoring system for speed measurement and identification of moving vehicles in a multi-object recording module, in particular for punishing speeding and other traffic violations such as running a red light. Background technique [0002] It is known from the prior art to capture the velocity of a moving object and its two-dimensional position on the different road lines of the road by tracking several traffic scenes recorded sequentially along the direction of the road, images of which can be obtained through a variety Various sensors can be generated, such as camera systems, laser scanner systems or tracking radar systems. [0003] Tracking radar sensors with one transmitting antenna and two receiving antennas are used more often than other methods due to their particularly high angular resolution and comparatively large object fields. In this case, an FSK (Frequency Shift Keying) modulated signal is prefer...

Claims

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Application Information

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IPC IPC(8): G08G1/052G01S13/66G01S13/92
CPCG01S13/878G01S13/584G01S13/726G08G1/054G08G1/056G01S13/91G01S13/26G01S13/92G01S13/867G08G1/0175G08G1/015G08G1/052
Inventor 迪马·普罗弗洛克
Owner JENOPTIK ROBOT GMBH
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