3. Initial Proposed Specifications
Speed
range 0-99 mile/ hour
Target is a car or a human
Cover operating distance range of
50-100 meter
Cheap and simple implementation
Small size, handheld and portable
10. RF Stage
Oscillator:
2.6 GHz Oscillator based on
microwave transistor and PCB inductors
and capacitors
Mixer & LPF: Schottky diode will mix both
transmitted and Doppler shifted reflected
signal using square law characteristics of
diode junction
Audio Amplifier: common emitter
amplifier will amplify Doppler signal
20. Application Flow Chart
START
Intialize the system
NO
Does The Connect
Button Pressed
Yes
Error message:
No device found
NO
Does USB
Device Exist
Yes
(1)
Connect to USB
`
21. Flow chart continue…
Run the Camera
(2)
Read Speed from
USB and Display It
to the Left Meter
NO
IF Speed
>
Max
speed
Yes
Capture Image
Display Invalid
Speed to the Right
Meter
(3)
22. (1)Connect to USB
start
Get List of Available
USB Devices
Get the Required Size
of the Buffer
Select USB Device
Creat File for Transmitted
and Received Data
23. (2)Run The Camera
Get ID (Device Index ) of Camera
Run Camera Driver
Start Video Preview
24. (3)Capture Image
modify Row Image Size and Type
Update the Right Meter With
Speed Value
Display Image
Call Capturing Function
26. Recommendations
Applying
more analysis: Acceleration,
Speed Profile and Jerk.
Image
processing can be applied to
detect special features in target image.
Images
and Speeds can be sent remotely
using internet, 3G or Wimax technology.