acquire的用法总结大全_百度知道

Next-generation modular RFSiP radio frequency system-in-package designs will introduce a new… This provides developers with a powerful tool to thoroughly verify radar performance in multiple flight scenarios and identify any jamming vulnerabilities. The form could not load at this time. Mercury has built the most trusted, contemporary portfolio of proven subsystems, components and solutions within aerospace and defense.

• This combines the extremely wide bandwidth available from, for example, the DPO70000 Series at 33 GHz, with the spectrum analysis and fully automated Pulse Measurement Suite from the RSA Series spectrum analyzers.
• Developing realistic radar simulators is complex.
• Real Time Spectrum Analysis drives to the next level of insight.The advantage of real-time measurement capability is the ability to capture transient events in the frequency domain; real time multi-domain triggering.
• The next example is the case of a “scanning monitor receiver”located near a radar installation.
• Radar target simulators are pivotal for radar technology development, enabling rigorous testing, training, and validation across diverse applications.
• The main or “A” trigger responds to a set of qualifications that may range from a simple edge transition to a complex logic combination on multiple inputs.

Observing Time Varying Behaviors in the Frequency Domain

At the system level, high resolution and wideband low-latency testing, with tightly aligned synchronization across multiple channels, are critical. Having connected systems at the component level drives the need for wider-band components that are linear and that might require you to understand and test nontraditional impairments. At the system level, you need low-latency testing, specifically quick update rates for simulations, to ensure that your system can keep up with the hypersonic speeds and decision making of the weapons or anti-weapon system. Hypersonic weapons systems and reacting platforms need dependable low-latency systems to adapt quickly enough to the environment.

/ Cellular Testing

• This test evaluates how well a radar system resists external RF signals that could interfere with its performance.
• To keep up with the growing demands of autonomous vehicles, aerospace, and defense applications, radar testing is evolving.
• Which the pulse Analysis and the Spectrum analysis will be respectively performed.
• The FastAcq feature of the oscilloscope operates on live time-domain data using DPX™ acquisition technology.
• Ensuring radar systems meet performance, compliance, and reliability standards requires a structured testing approach.

This requires stepping across the entire frequency range of the analyzer. These may be at frequencies outside the assigned channel of the main radar transmitter signal. The use for radars must consider spectrum allocations as well as other nearby RF equipment and facilities. Selecting “FFT” instead of “Trend” in the drop-down box in the lower left of Figure 23 brings up the frequency spectrum of the measured parameter. Next the Pulse Table is selected with basic timing and amplitude measurements. This particular weather radar radar has two modes with different pulse widths.
With today’s rapid advances in radar technology, developing and manufacturing highly specialized and innovative electronic products to detect radar signals takes leading-edge technology and Ringospin tools. In designing modern electronic warfare and radar systems, you face significant challenges. SPx Open Access provides engineers and researchers with simplified, direct access to recorded radar video data for in-depth analysis and new algorithm development. It can integrate with SPx Radar Simulator to define and manage scenarios involving moving targets, creating a unified simulation of both radar and video displays. The challenges of traditional radar testing have led to a significant shift towards advanced simulation and analysis. The complex data generated by modern radars, often from diverse sources, necessitates the use of advanced analysis tools to yield actionable intelligence.

Radar Testing Procedures: Ensuring Accuracy and Compliance in RF Performance

Despite their utility, radar target simulators face several challenges and opportunities for improvement. Advanced simulators may also offer remote control capabilities and integration with other testing equipment and software tools. Some radar target simulators also incorporate features to simulate environmental conditions such as weather phenomena, terrain characteristics, and interference sources. The architecture of radar target simulators typically comprises target models that represent the physical and electromagnetic properties of various targets, including aircraft, ships, vehicles, and natural objects. Radar target simulators are sophisticated devices designed to emulate the radar cross-section (RCS) and other characteristics of different objects that might be encountered in radar operations.

Transforming Testing with Simulation and Analysis

For triggering on specific frequencies at specific amplitudes, Tektronix invented the Frequency Mask Trigger (FMT). These phase transitions are only a very small percentage of the pulse duration. This display does not show that there is extended spectral energy present due to the phase discontinuities incorrectly allowed at the transitions between the segments of different phases of the modulation.

Now there are fully automated baseband pulse timing measurements available in modern oscilloscopes. Generally, the oscilloscope did not have sufficient bandwidth to be able to directly display the RF-modulated pulses, and if it did, the pulses were difficult to clearly see, and was even more difficult to reliably generate a trigger. These measurements were sufficient, as pulses were generally very simple. For baseband pulses, the triggers based on edges, levels,pulse width, and transition times are of the most interest. Advanced trigger types, such as pulse width trigger, can be used to capture and examine specific RF pulses in a series of pulses that vary in time or in amplitude. Sequences can also include a separate horizontal delay after the A-trigger event to position the acquisition window in time.

Test Instrumentation Considerations and Trends

The darker line in Figure 1 shows the time domain envelope of the pulse and the lighter lines show the sinusoidal energy that fundamental makes up the pulse. It is excellent for determining range by measuring the time difference between the transmitted pulses and the received pulses. Continuous-wave (CW) radar is excellent for calculating velocity using the Doppler effect by comparing the frequency shift of the received signal with that of the transmitted. However, our problem is unique; in that we have time domain behaviors we want to observe, but they are exhibited in the frequency domain. To understand the best measurement device, we need to understand the signals we are dealing with.
There would be considerable compression of the 100,000 points if the trace were displayed without zoom. Therefore, in this case the computer display has not needed to further compress the 405-point trace. If the chosen display has more points than can be displayed on the LCD, the trace must be further compressed for the display. The LCD screen is only capable of normal personal computer display resolution (in this case 1,024 points horizontally). As can be seen here, 55 points is not enough to clearly see the character of the pulse.