Quality Of Fruit Essay
In our life, fruit is one of the important food as a dessert. All human in this world eat the fruit. There are many types of fruit that have in this world such as apple, durian, mangoes, watermelons and etc. To have a good quality of fruits is very important to us to maintain our health. The quality of fruits consist of ripeness, maturity and etc. Beside that, in Malaysia, our industries on commercial of fruits has been popular. So, we are trying to develop a sensor that we can use it to ensure the quality of fruits is in the best conditions without harmful the fruits. This technique is good and useful to our industry by increasing the quality of the commercial of the fruits in the Malaysia. This is because we want our industries to produce the best high quality fruit. …show more content…
Free space microwave measurement (FSMM) systems were used in this experiment to measure the dielectric properties by using open-ended sensor and coaxial probe feed sensor. The existing FSMM system consist of sensor, coaxial cable and a Professional Network Analyzer (PNA) (Wahab, 2011).
The main advantage of this free space microwave measurement FSMM system is that with suitable modifications, it is possible to make precise and accurate Microwave Nondestructive Testing (MNDT) measurements on materials under high or low temperature conditions due to contactless, fast and easy to setup repetitive measurements feature of free-space measurements. Another advantage of free-space microwave measurement (FSMM) methods is that the measurements can do when transmitted, reflected and incident signals are circularly polarized the electromagnetic waves (Wahab, 2011) (Technologies, 2014).
There are two main sources of error, inaccuracies in free space measurement system: 1. Diffraction effects at the edges of the material specimen or sample.
2. Multiple reflections between horn lens antennas and mode transitions via the surface of the
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