- IS POWER SPY REPATABLE SOURCE UPGRADE
- IS POWER SPY REPATABLE SOURCE SOFTWARE
- IS POWER SPY REPATABLE SOURCE SERIES
The origin of the SPY-1F can be traced back to the FARS proposed to the German Navy in the 1980s. It is not used by the US Navy, but has been exported to Norway. SPY-1F FARS (frigate array radar system) is a smaller version of the 1D designed to fit frigates. The weight of antenna remains the same but weight below deck is greatly reduced. SPY-1E utilizes commercial off-the-shelf (COTS) subsystems and a single faced demonstration unit was built in 2004. SPY-1E SBAR (S Band Active Array) is the only active phased array model in SPY-1 series, and it was later renamed as SPY-2, subsequently developed into VSR. The wave form is coded and signal processing is improved.
IS POWER SPY REPATABLE SOURCE UPGRADE
SPY-1D(V), the Littoral Warfare Radar, was an upgrade introduced in 1998 with new track initiation processor for high clutter near-coast operations, where the earlier "blue water" systems were especially weak. It is a variant of the -1B to fit the Arleigh Burke class using the UYK-43 computer, with the main antenna also used as missile uplinks, thus eliminate the need of separate missile uplink in earlier models, and the UYA-4 display in earlier models is replaced by UYQ-21 display. SPY-1D was first installed on USS Arleigh Burke in 1991, with all antenna in a single deckhouse. SPY-1B(V) is development of earlier SPY-1B with moving target indication capability incorporated in 1997. Ability to counter steep diving missiles are improved with more energy at higher elevation or longer pulse. There are 4,350 radiators with two side lobe cancellation antenna, each with two elements, and the radar uses eleven 16-bit microprocessors. A 7-bit phase shifter replaced the 4-bit phase shifter in earlier models, with corresponding weight of phase shifters in face of the antenna reduced from 12,000 lb (5,400 kg) to 7,900 lb (3,600 kg), and a reduction of side lobe by 15 dB. For example, the electronic cabinets area reduced from 11 to 5, with corresponding weight reduced from 14,700 lb (6,700 kg) to 10,800 lb (4,900 kg), and separate digital modules are reduced from 3,806 to 1,606.
SPY-1B is the model adopts VLSI resulting in increased performance and reduced size and weight. The Multifunction Phased Array Radar was decommissioned and removed in 2016. Navy donated a SPY-1A antenna to the National Severe Storms Laboratory in Norman, Oklahoma, making it one of the first stationary phased arrays used in weather forecasting.
IS POWER SPY REPATABLE SOURCE SOFTWARE
About 10% of the software totaling thirty thousand lines had to be rewritten to accommodate the necessary upgrade.
The result is more efficient utilization of resources. The solution is to allow the operator to change the sensitivity profile of radar by periodically reducing attenuation, and to set threat and non threat sectors according to changing environment. It was discovered that the false alarm rate was high because the radar would pick up swarms of insects and clutter from mountainous terrain. SPY-1A upgrade is a development of SPY-1, resulting from the deployment of SPY-1-equipped USS Ticonderoga off the Lebanese coast.
The power requirement of SPY-1A is four times that of AN/SPS-48 and SPY-1 is controlled by AN/UYK-7 computer. There are a total of 4,096 radiators, 4,352 receivers and 128 auxiliary elements on each antenna array. Transmitting arrays are driven by eight transmitters, each with four crossed-field amplifiers (CFAs), and each CFA produces a peak power of 132 kW. Each module contains up to 32 radiating element and phase shifters, and modules are paired to form transmitting and receiving sub-arrays, which are grouped into 32 transmitting and 68 receiving arrays.
SPY-1A has four antenna arrays in two separate deckhouses, with each antenna array containing 148 modules.
IS POWER SPY REPATABLE SOURCE SERIES
The first production model of SPY-1 series is SPY-1, forms the baseline configuration of all subsequent SPY-1 radars.