New-Tech Europe | Oct 2016 | Special Edition For Electronica 2016
the antenna and generating and acquiring RF signals at 1,090 MHz and 1,030 MHz. MeasurementParameters Tx Parameters Tx out of the radar is connected to the VSA of the ATE with an attenuator. Transmission was a gated sine pulse at RF frequency with a pulse width of approximately 1 µs and pulse repetition time (PRT) of 5 ms. Tx frequency stability (1,030 MHz + 0.03 MHz) Pulse peak power (2.0 KW) Pulse repetition period (ms) Output power mode and PRF stability Output power selection and sectoring Pulse spacing Pulse shape Duty cycle (0.01 percent to 66 percent) Pulse width (µs) Pulse rise time (ns) Fall time (ns) Frequency spectrum Rx Parameters Rx in the radar is received by the RF pulses generated through the VSG, which was synchronized with a trigger/sync pulse. Each sync pulse was synchronized with the interrogating pulse. After receiving a sync pulse to the trigger port of the VSG and FPGA, the RF pulse out was generated through the VSG. The Rx video out was connected to the oscilloscope card to measure the following Rx parameters: Receiver sensitivity Receiver bandwidth Receiver dynamic range Receiver frequency stability Phase differential measurements Reception chain operational
Figure 3- Target Simulator Software Screen
Figure 4- Radar Scan Converter
sensitivity (STC) Reception chain side lobe suppression (RSLS) Functional Test In the functional test, the system
generated the antennal simulation signals, such as north and ACP. It simulated multiple targets at different azimuths and ranges in both stationary and trajectory motion, and represented the transponder’s
New-Tech Magazine Europe l 53
Made with FlippingBook