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HPx-200 PCI Radar Input Card

Radar Interface Hardware

The HPx-200 is a flexible, cost-effective PCI primary radar acquisition card that captures and processes one or two analogue or digital radar video signals from a single radar. The card is fully supported by SPx software, allowing modern radar processing to be added into legacy systems. 

The HPx-200 card is an evolution of the earlier HPx-100 PCI card and retains connector, functional and software compatibility through the board support library and SPx library. For most applications, users of the existing HPx-100 card can deploy HPx-200 with minimal changes (although migration to the newer HPx-400e PCIe card is advised where possible).

The HPx-200 interfaces to analogue or digital radar signals, and provides a flexible set of input options to handle a wide range of radar types. A flexible mixing capability allows a combination of analogue and digital inputs to be captured and combined.

The dual analogue inputs are captured at up to 50 MHz using high-precision analogue to digital converters at 12 bits resolution. The captured video can be optionally down-sampled to reduce the data rate before transfer across the PCI bus using high-speed DMA. On the host computer, a driver and board-support library for Windows or Linux is available. Additionally, the SPx processing library is available to provide a full complement of radar processing functions including scan conversion and target tracking.

An on-board FPGA provides data processing and control and offers capability for expanding the data processing functions for customised applications.

Input Signals

The HPx-200 accepts radar video, trigger and azimuth signals in the form of ACP/ARP or parallel data. A wide variety of signal types and input voltages are supported and customised versions of the interface are available on request. The card provides a capability to detect missing signals to provide software alarms for loss of triggers or azimuth data.

For use with synchro or resolver signals, the companion HPx-180 PCI card provides a synchro-to-parallel converter.

Board Support Library and SPx Processing

A low-level board support library is available to provide a C++ class interface to configure the board and capture video. Sample code for Windows and Linux is available.

The optional SPx processing library is an extensible toolkit of radar-specific functions that can be linked together to form a processing chain. Using this library, radar video can be processed prior to network distribution, scan-conversion or tracking. Custom functions are easily incorporated into the processing chain, allowing an application to be built from a combination of SPx library functions and user-written processing modules.

SPx Distribution and Scan Conversion

The captured video may be compressed, distributed or displayed with the SPx library software. A complete server application, optionally incorporating radar recording and scenario generation, is built from just a few function calls into the SPx library. Server applications that capture, compress and distribute radar video on standard Ethernet networks are easily built. Client applications can be built with high-performance software-based scan conversion with Windows or Linux displays.

  • PCI Primary Radar Acquisition Card
  • Dual analogue video inputs
  • Trigger input
  • ACP/ARP or parallel azimuth
  • Optional synchro input from companion synchro-to-parallel PCI card (HPx-180)
  • 50 MHz sample rate
  • Programmable pre-trigger compensation
  • 8-bit digital inputs with clock
  • 12-bit A-to-D for analogue samples
  • Wide range of supported signal levels
  • Opto-coupled inputs for noise immunity
  • Optional end-of-range input signal
  • Programmable mixing of analogue and digital videos
  • General purpose input/output lines
  • Loss of signal detection
  • High-speed DMA transfers
  • Supported under Windows and Linux
  • C/C++ board support package
  • Optional SPx processing library for dynamic thresholding, STC, FTC, clutter suppression,plot extraction, scan conversion, compression and network distribution.
  • On-board test pattern generator
  • Software and function compatible with HPx-100
  • Supported with RadarView and SPx Server applications
  • Wide range of radars supported including:
    • Furuno
    • Kelvin Hughes
    • Terma
    • JRC
    • Koden
    • Sperry
    • Raytheon
    • Specialist Military Radars
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HPx-200 Datasheet
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Radar Product Summary
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Application Note: Successful Configuration of HPx Cards
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HPx-400e Datasheet
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HPx-250 Datasheet
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HPx-346 Data Sheet
Cambridge Pixel
HPx-200 PCI Radar Input Card

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