Distance / Time (Clocking)
Speed Measuring Systems

Sample Form Results

A.)

	GIVEN (inputs):
1.)	Target Speed (v_o)	70	mph	112.7	km/hr
2.)	Distance (d_o)	528	feet	160.93	meters
3.)	TIME Error (t_oerr)	-0.5	seconds

	RESULTS (calculated):
·	Speed Error (v_err)	7.54	mph	12.13	km/hr
·	Measured Speed (v_m)	78	mph	125	km/hr

Time t_o (Target Travels d_o) is 5.143 seconds.

Sample Form Results
B.)

	GIVEN (inputs):
1.)	Target Speed (v_o)	70	mph	112.7	km/hr
2.)	Distance (d_o)	528	feet	160.93	meters
3.)	SPEED Error (v_err)	7.54	mph	12.13	km/hr

	RESULTS (calculated):
·	Time Error (t_err)	-0.5	seconds
·	Measured Speed (v_m)	78	mph	125	km/hr

Time t_o (Target Travels d_o) is 5.143 seconds.

Sample Form Results
C.)

	GIVEN (inputs):
1.)	Target Speed (v_o)	70	mph	112.7	km/hr
2.)	allowed Time Error (t_oerr)	-0.5	seconds
3.)	allowed SPEED Error (v_err)	7.54	mph	12.13	km/hr

	RESULTS (calculated):
·	minimum Distance (d_o)	527.9	feet	160.9	meters

Time t_o (Target Travels d_o) is 5.142 seconds.

Sample Form Results
D.)

	GIVEN (inputs):
1.)	Target Speed (v_o)	70	mph	112.7	km/hr
2.)	Distance (d_o)	528	feet	160.93	meters
3.)	DISTANCE Error (d_err)	-7.5	feet	-2.3	meters

	RESULTS (calculated):
·	Speed Error (v_err)	1.01	mph	1.62	km/hr
·	Measured Speed (v_m)	71	mph	114	km/hr

Time t_o (Target Travels d_o) is 5.143 seconds.

Sample Form Results
E.)

	GIVEN (inputs):
1.)	Target Speed (v_o)	70	mph	112.7	km/hr
2.)	Distance (d_o)	528	feet	160.93	meters
3.)	SPEED Error (v_err)	1	mph	1.61	km/hr

	RESULTS (calculated):
·	Distance Error (t_err)	7.44	feet	2.27	meters
·	Measured Speed (v_m)	71	mph	114	km/hr

Time t_o (Target Travels d_o) is 5.143 seconds.

Sample Form Results
F.)

	GIVEN (inputs):
1.)	Target Speed (v_o)	70	mph	112.7	km/hr
2.)	allowed Distance Error (d_err)	-7.5	feet	-2.2	meters
3.)	allowed SPEED Error (v_err)	1	mph	1.61	km/hr

	RESULTS (calculated):
·	minimum Distance (d_o)	532.5	feet	162.3	meters

Time t_o (Target Travels d_o) is 5.187 seconds.

Police Traffic Radar Handbook
Chapter 1.2 -- Other Speed Measuring Systems