LCM of three numbers

Smoothed Velocity Calculator

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Special Purpose Radars Radar and Antenna Specifications Radar Antennas Reception

✖(n-1)th Scan Smoothed Velocity is the smoothed estimate of target's velocity at the n-1 th scan by the track-while-scan surveillance radar.ⓘ (n-1)th Scan Smoothed Velocity [v_s(n-1)]			+10% -10%
✖Velocity Smoothing Parameter is the tuning parameter which is used to improve the quality of smoothed velocity estimated by the track-while-scan surveillance radar to avoid noisy measurements.ⓘ Velocity Smoothing Parameter [β]			+10% -10%
✖Time between observations is the time taken between two successive observations made by the track-while-scan surveillance radar.ⓘ Time between Observations [T_s]			+10% -10%
✖Measured position at Nth scan is the measured or actual position of target at the nth scan by the track-while-scan surveillance radar.ⓘ Measured Position at Nth Scan [x_n]			+10% -10%
✖Target Predicted Position is the predicted or estimated position of target at the nth scan by the track-while-scan surveillance radar.ⓘ Target Predicted Position [x_pn]			+10% -10%

✖Smoothed Velocity is the smoothed estimate of target's present velocity on the basis of the past detections by the track-while-scan surveillance radar.ⓘ Smoothed Velocity [v_s]

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Smoothed Velocity Solution

STEP 0: Pre-Calculation Summary

Formula Used

Smoothed Velocity = (n-1)th Scan Smoothed Velocity+Velocity Smoothing Parameter/Time between Observations*(Measured Position at Nth Scan-Target Predicted Position)
v_s = v_s(n-1)+β/T_s*(x_n-x_pn)
This formula uses 6 Variables

Variables Used

Smoothed Velocity - (Measured in Meter per Second) - Smoothed Velocity is the smoothed estimate of target's present velocity on the basis of the past detections by the track-while-scan surveillance radar.
(n-1)th Scan Smoothed Velocity - (Measured in Meter per Second) - (n-1)th Scan Smoothed Velocity is the smoothed estimate of target's velocity at the n-1 th scan by the track-while-scan surveillance radar.
Velocity Smoothing Parameter - Velocity Smoothing Parameter is the tuning parameter which is used to improve the quality of smoothed velocity estimated by the track-while-scan surveillance radar to avoid noisy measurements.
Time between Observations - (Measured in Second) - Time between observations is the time taken between two successive observations made by the track-while-scan surveillance radar.
Measured Position at Nth Scan - (Measured in Meter) - Measured position at Nth scan is the measured or actual position of target at the nth scan by the track-while-scan surveillance radar.
Target Predicted Position - (Measured in Meter) - Target Predicted Position is the predicted or estimated position of target at the nth scan by the track-while-scan surveillance radar.

STEP 1: Convert Input(s) to Base Unit

(n-1)th Scan Smoothed Velocity: 11 Meter per Second --> 11 Meter per Second No Conversion Required
Velocity Smoothing Parameter: 8 --> No Conversion Required
Time between Observations: 320 Second --> 320 Second No Conversion Required
Measured Position at Nth Scan: 6 Meter --> 6 Meter No Conversion Required
Target Predicted Position: 74 Meter --> 74 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

v_s = v_s(n-1)+β/T_s*(x_n-x_pn) --> 11+8/320*(6-74)

Evaluating ... ...

v_s = 9.3

STEP 3: Convert Result to Output's Unit

9.3 Meter per Second --> No Conversion Required

FINAL ANSWER

9.3 Meter per Second <-- Smoothed Velocity

(Calculation completed in 00.004 seconds)

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Created by Shobhit Dimri

Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat

Shobhit Dimri has created this Calculator and 900+ more calculators!

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Vishwakarma Government Engineering College (VGEC), Ahmedabad

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< Special Purpose Radars Calculators

Amplitude of Signal Received from Target at Range

LaTeX Go Amplitude of Signal Received = Echo Signal Voltage/(sin((2*pi*(Carrier Frequency+Doppler Frequency Shift)*Time Period)-((4*pi*Carrier Frequency*Range)/[c])))

Amplitude of Reference Signal

LaTeX Go Amplitude of Reference Signal = CW Oscillator Reference Voltage/(sin(2*pi*Angular Frequency*Time Period))

Reference Voltage of CW Oscillator

LaTeX Go CW Oscillator Reference Voltage = Amplitude of Reference Signal*sin(2*pi*Angular Frequency*Time Period)

Doppler Frequency Shift

LaTeX Go Doppler Frequency Shift = (2*Target Velocity)/Wavelength

Smoothed Velocity Formula

LaTeX Go

Smoothed Velocity = (n-1)th Scan Smoothed Velocity+Velocity Smoothing Parameter/Time between Observations*(Measured Position at Nth Scan-Target Predicted Position)
v_s = v_s(n-1)+β/T_s*(x_n-x_pn)

What is migration velocity?

Migration velocity, also known as radial migration velocity or ground clutter migration velocity, is a phenomenon that occurs when radar signals reflect from moving ground clutter or stationary targets. When the radar antenna is scanning or the platform (such as an aircraft or ship) carrying the radar is moving, these ground clutter echoes can appear to be displaced or shifted in frequency due to the relative motion between the clutter and the radar platform.

How to Calculate Smoothed Velocity?

Smoothed Velocity calculator uses Smoothed Velocity = (n-1)th Scan Smoothed Velocity+Velocity Smoothing Parameter/Time between Observations*(Measured Position at Nth Scan-Target Predicted Position) to calculate the Smoothed Velocity, The Smoothed Velocity formula is the smoothed estimate of target's present velocity on the basis of the past detections by the track-while-scan surveillance radar. Smoothed Velocity is denoted by v_s symbol.

How to calculate Smoothed Velocity using this online calculator? To use this online calculator for Smoothed Velocity, enter (n-1)th Scan Smoothed Velocity (v_s(n-1)), Velocity Smoothing Parameter (β), Time between Observations (T_s), Measured Position at Nth Scan (x_n) & Target Predicted Position (x_pn) and hit the calculate button. Here is how the Smoothed Velocity calculation can be explained with given input values -> 9.3 = 11+8/320*(6-74).

FAQ

What is Smoothed Velocity?

The Smoothed Velocity formula is the smoothed estimate of target's present velocity on the basis of the past detections by the track-while-scan surveillance radar and is represented as v_s = v_s(n-1)+β/T_s*(x_n-x_pn) or Smoothed Velocity = (n-1)th Scan Smoothed Velocity+Velocity Smoothing Parameter/Time between Observations*(Measured Position at Nth Scan-Target Predicted Position). (n-1)th Scan Smoothed Velocity is the smoothed estimate of target's velocity at the n-1 th scan by the track-while-scan surveillance radar, Velocity Smoothing Parameter is the tuning parameter which is used to improve the quality of smoothed velocity estimated by the track-while-scan surveillance radar to avoid noisy measurements, Time between observations is the time taken between two successive observations made by the track-while-scan surveillance radar, Measured position at Nth scan is the measured or actual position of target at the nth scan by the track-while-scan surveillance radar & Target Predicted Position is the predicted or estimated position of target at the nth scan by the track-while-scan surveillance radar.

How to calculate Smoothed Velocity?

The Smoothed Velocity formula is the smoothed estimate of target's present velocity on the basis of the past detections by the track-while-scan surveillance radar is calculated using Smoothed Velocity = (n-1)th Scan Smoothed Velocity+Velocity Smoothing Parameter/Time between Observations*(Measured Position at Nth Scan-Target Predicted Position). To calculate Smoothed Velocity, you need (n-1)th Scan Smoothed Velocity (v_s(n-1)), Velocity Smoothing Parameter (β), Time between Observations (T_s), Measured Position at Nth Scan (x_n) & Target Predicted Position (x_pn). With our tool, you need to enter the respective value for (n-1)th Scan Smoothed Velocity, Velocity Smoothing Parameter, Time between Observations, Measured Position at Nth Scan & Target Predicted Position and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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