Contents
Different Patterns of Antenna:
The antenna is the major factor of wireless LAN system in any organization or working space. It acts as a transducer between a radiated and a guided wave and a guided wave to a radiated wave. It is well explained in satwave antenna reviews for the user’s benefit. The antenna’s radiation pattern is responsible for the radiated energy.
The pattern of the antenna describes how the radiated energy is radiated into space, and it also explains how it releases the power in all directions. The common ways of the antenna are three-dimensional, referred to as the principal plane patterns, and these plane patterns determine the antenna pattern.
Common Antenna and Their Patterns:
Several antenna patterns are available, and a few of the common antennas are listed below:
- Dipole
- A collinear ray
- A single patch antenna
- A patch array
- A Yagi
- A sector antenna
The usage of the antennas depends on the users. For example, some clients prefer to point upward, where others always like to point to the right or the left direction. However, it is the common procedure of deploying the same.
If you understand the parameters of the pattern well, then you will not worry about the direction of the antenna pattern. However, different placing technologies are necessary to mount the different types of the antenna as all the antennas differ from each other.
Characteristics of Blue-antenna:
- Some of the basic features of the antenna include
- Antenna Radiation Pattern
- Radiation Intensity
- Directivity and Gain
- Radiation Efficiency and Power Gain
- Input Impedance
- Effective Length
- Bandwidth
- Effective Aperture
You could see the presence of antennas everywhere, and they play a vital role in day-to-day life, without which life is impossible. Say, for instance, the mobile phones and the television. Both are electronic devices that work with the receiving signals. When the signals are interrupted, these devices stop working.
As the world is interlinked with all the technical systems, communication will collapse, leading to severe loss economically. The importance of the antenna is assumed in this simple way.
Antennas are identified as the gateway for the wireless communication system. There are various applications for the antenna, such as the high-speed Ethernet or the connection between the gaming components, television etc.
Components of the Antenna:
The antennas are specified with some of the basic components, and they are
Maximum Power: It describes the leading RF that an antenna can handle. The risk of shortening the life span of an antenna depends on the high power, and when the power goes beyond the limit, the antenna’s life span will decrease.
Frequency: Frequency is the key factor for the antenna circuit, and the course is tuned to match the search frequency made by the user.
Gain: All the antennas are specified with the gain structure. It explains the specific power input where the antenna will re-radiate the power at a higher level.
Beam Width: Beamwidth always relates to the gain factor of the antenna. A higher gain antenna will have a smaller beamwidth, which is the angle where the antenna gets radiated.
Wind Load: They are capable of sailing in the wind and drag onto the tower structure. These are capable of causing failure to the tower.
Weight: The weight of the antenna is likely to cause stress over the tower, similar to the wind load.
Types of the Antenna With Examples:
Wire Antennas: Dipole antenna, Monopole antenna, Helix antenna, Loop antenna are examples of wire antenna. It is commonly used in personal applications, buildings, ships, automobiles, and space crafts.
Aperture antennas: Waveguide and Horn antenna are examples used in flush-mount applications, aircraft and spacecraft.
Reflector Antennas: Parabolic reflectors and Corner reflectors. Their significance is in the field of microwave communication, satellite tracking and radio astronomy.
Lens Antennas: Convex-plane, Concave-plane, convex-convex plane and Concave-concave plane are examples of lens antennas used for very high-frequency applications.
Microstrip Antennas: Circular shaped, rectangular shaped, metallic patches above the ground plane are the examples. Their application includes aircraft, spacecraft, satellites, missiles, cars, mobile phones and so on.
Array Antennas: Yagi-Uda antenna, microstrip patch array, aperture array, slotted waveguide array are the array antennas, and they are used for very high gain applications likely when there is a need to control the radiation pattern.
Antennas in a Communication System:
Antennas are essential in the communication field, and they are efficient in transmitting and receiving radio frequency signals without any interruption. A transmitting antenna can convert electrical energy into electromagnetic waves, while the receiving antenna helps convert electromagnetic waves into electrical energy.
Its application includes right from Wi-Fi to the radio, which invariably essential in daily routine. It is used to transmit electromagnetic radio waves, which are invisible to the human eyes used for long-distance communication. The antennas accept the lock and are capable of displaying the sound within the wave.
It is very important to ground all the outdoor antennas as there is metal inside the antenna, and generally, the television signals are made of electricity. You mount them accordingly.
Antennas in Satellite Communication:
Satellite communication is possible with the availability of different types of antennas. The most visible part of the satellite communication system is the antenna. These antennas can transmit and receive the modulated carrier signal with the frequency portion of the electromagnetic spectrum.
The frequencies must range from 0.3 GHz to 30 GHz, and it might go beyond too. The high frequencies that relate to small wavelengths allow the use of the antenna with practical dimensions for commercial use.
A range of antennas are used in satellite communication. The role of the satellite is to transmit the power for the downlink in the coverage area. Power is the determining factor of the quality of the link lies between the satellite and the earth station and the size of the receiving dishes.
Antennas in the Medical Field:
Highly sophisticated equipment is used in the medical field, resulting in the development of improved health care. The use of antennas is increased in the medical area. The application involves coupling electromagnetic energy into the human body or the other biological systems used for experimental purposes.
The recent medical field is benefitted from three applications of antenna technology.
- Information transmission
- Diagnosis
- Treatment
Microstrip antennas are with attractive features that are efficient with 5G communication, IoT and medical systems. In addition, these antennas are compact, flexible and lightweight to handle and are also available at an affordable cost.
The medical application of the antennas gives the best results in microwave imaging, medical implants, hyperthermia treatments and wireless wellness monitoring. The implantable antenna is the very important device used to receive physiological signals transmitted wirelessly between the implantable medical devices.
Conclusion:
The antennas are beneficial in all fields. The significance of the antenna in the telecommunication field is incredible, without which the global function is incomplete. The usage of the antennas in the satellite is illustrated well in the satwave antenna reviews.
The pattern of the antenna is essential in the whole process, and its efficiency is improved with this factor. Moreover, it helps in receiving clear images in high definition televisions because of the uninterrupted signals.
The entertainment world is dependent on the satellite signals that are available with the help of the antenna. Mobile phone communication is the mode of communication preferred by everyone for which the antennas are important by providing stronger signals. Mobile phones can function efficiently when the signal frequency is up to their expected limit.
Its impact in the medical field is also unavoidable. The current medical technology monitors the human body to start with the medical procedure, and the antennas play a major role in the monitoring process.
