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The conical antenna as a sensor or probe - NASA/ADS
https://ui.adsabs.harvard.edu/abs/1983ITElC..25....8K/abstract
The conical antenna as a sensor or probe King, R. W. P. Abstract. It is shown that the electrically small wide-angled spherically capped conical monopole has frequency-related properties closely resembling those of the electrically thin cylindrical dipole. It is pointed out that the frequency dependence of the current in the load of a conical ...
Understanding How Frequency, Beam Patterns of …
https://www.massa.com/wp-content/uploads/2018/06/Massa-Whitepaper-3-DPM-160621.pdf
The transducers in an ultrasonic sensor can radiate sound in different patterns. Most sensors use transducers that radiate sound in a conical pattern. The beam angle of the conical pattern is defined as the total angle encompassing where the sound pressure being radiated has been reduced by 3 dB on both sides of the peak pressure produced directly in front of the transducer.
Sensor and Simulation Notes Note 576 15 April 2016 Design ...
http://ece-research.unm.edu/summa/notes/SSN/SSN576.pdf
Sensor and Simulation Notes . Note 576 . 15 April 2016 . Design Aspects of a Dual Conical Lens between aHigh-Voltage Pulser . and a Helical Antenna . D. V. Giri . Pro-Tech, 11-C Orchard Court, Alamo, CA 94507 Dept. of ECE, University of New Mexico, Albuquerque, NM 87130
Exploring the Functions of Ultrasonic Sensors
https://www.azosensors.com/article.aspx?ArticleID=2214
Transducers that radiate sound in a conical pattern are used by a majority of the sensors. The beam angle of the conical pattern is the total angle covering where the sound pressure being radiated has been decreased by 3 dB on either side of the peak pressure directly generated in front of the transducer.
Audio Frequency Detector - Arduino Project Hub
https://create.arduino.cc/projecthub/lbf20012001/audio-frequency-detector-617856
This Arduino project displays the approximate frequency of the loudest sound detected by a sound detection module. For this project, the analog output from the sound module detector sends the analog audio signal detected to A0 of the Arduino Uno. The analog signal is sampled and quantized (digitized). A Fast Fourier Transform (FFT) is then performed on the …
200 Khz Transducer, Piezo Ultrasonic Sensor - PiezoData …
https://www.piezodata.com/200-khz-transducer/
The sensor must be in a position to emit short, high frequency of about 200 kHz pulse at regular interval. The pulse is propagated in the air depending on the velocity of sound. So generally ultrasonic sensors operate under the principle of sound detection where once these signals hit an object they are reflected back as echo signals to the sensor.
Conical shell vibration optimal control with distributed ...
https://www.sciencedirect.com/science/article/pii/S0019057821000471
(10) S e i = ∫ x i s x i + 1 s ∫ θ i s θ i + 1 s x s i n ψ d θ d x = 1 2 x i + 1 s 2 − x i s 2 θ i + 1 s − θ i s s i n (ψ) It is obvious that the sensor output signal is dependent on conical shell deformations and to extract the sensor output signal relation with the shell displacement, the strain displacement relations (Eqs.
Ultrasonic Level Transmitters – Dwyer Instruments Blog
http://blog.dwyer-inst.com/2017/11/22/ultrasonic-level-transmitters/
The ultrasonic pulse from the transducer spreads out in a conical shape as it travels away from the sensor. This is referred to as the beam angle and is typically from 8 to 12 degrees. The beam width is the width of the sensing area …
The Complete Guide to Industrial Level Sensors
https://www.solisplc.com/tutorials/level-sensor
The sensor is highlighted by an orange box. The yellow concentric circles represent the conical sound beam. Non-Contact Capacitance Sensors Non-contact capacitance sensors are an excellent choice when there are concerns of corrosion or contamination. This type of sensor is mounted along with the tank on the outside.
Conical shell vibration control with distributed ...
https://www.sciencedirect.com/science/article/pii/S0263822320330336
In this section, conical shell strain displacement relations and mechanical membrane and bending forces are described. A typical conical shell with corresponding curvilinear coordinates is considered and presented in Fig. 1.The conical shell is assumed to be thin.At first, it is assumed that the structure has a piezoelectric sensor patch attached to the …
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