Relevant bibliographies by topics / Microwave Doppler sensor

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Microwave Doppler sensor'

Author: Grafiati
Published: 3 June 2025
Last updated: 19 July 2025

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Journal articles on the topic "Microwave Doppler sensor"

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Hobden, Peter, Edmond Nurellari, and Saket Srivastava. "RFSoC Softwarisation of a 2.45 GHz Doppler Microwave Radar Motion Sensor." Journal of Sensor and Actuator Networks 13, no. 5 (2024): 58. http://dx.doi.org/10.3390/jsan13050058.

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Microwave Doppler sensors are used extensively in motion detection as they are energy-efficient, small-size and relatively low-cost sensors. Common applications of microwave Doppler sensors are for detecting intrusion behind a car roof liner inside an automotive vehicle and to detect moving objects. These applications require a millisecond response from the target for effective detection. A Doppler microwave sensor is ideally suited to the task, as we are only interested in movement of a large water-based mass (i.e., a person) (FMCW Radar also detect static objects). Although microwave components at 2.45 GHz are now relatively cheap due to mass production of other Industrial Scientific and Medical application (ISM) devices, they do require tuning for temperature compensation, dielectric, and manufacturing variability. A digital solution would be ideal, as chip solutions are known to be more repeatable, but Application-Specific Integrated Circuits (ASICs) are expensive to initially prototype. This paper presents the first completely digital Doppler motion sensor solution at 2.45 GHz, implemented on the new RFSoC from Xilinx without the need to up/downconvert the frequency externally. Our proposed system uses a completely digital approach bringing the benefits of product repeatability, better overtemperature performance and softwarisation, without compromising any performance metric associated with a comparable analogue motion sensor. The RFSoC shows to give superior distance versus false detection, as the Signal-to-Noise Ratio (SNR) is better than a typical analogue system. This is mainly due to the high gain amplification requirement of an analogue system, making it susceptible to electrical noise appearing in the intermediate-frequency (IF) baseband. The proposed RFSoC-based Doppler sensor shows how digital technology can replace traditional analogue radio frequency (RF). A case study is presented showing how we can use a novel method of using multiple Doppler channels to provide range discrimination, which can be performed in both analogue and in a digital implementation (RFSoC).
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Boydas, Mustafa G. "Determination of low mass flow rate of wheat in a seed drill using a microwave Doppler sensor." Spanish Journal of Agricultural Research 23, no. 1 (2025): 20393. https://doi.org/10.5424/sjar/2025231-20393.

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Aim of study: to develop a low-cost non-contact measurement system that can be used both in the field and in the laboratory for low volumetric flow. Area of study: Türkiye. Material and methods: A measurement system was developed to determine the flow rate of wheat seeds left at different flow rates from the seed metering unit, which has a studded feed roller, with a low-cost microwave sensor. Flow rates were determined for 16 different seed rates, and these flow rates were measured with precision scales. A microwave sensor was mounted on the seed tube. The precision scales and microwave sensors were operated simultaneously. Main results: The obtained values were subjected to correlation and regression analysis. According to the analysis, it was found that the voltage values obtained from the microwave sensor increased linearly with the increase in the flow rate. There was a significant linear relationship (R2 = 0.974) between the means of mass flow measured from the scales and the means of mass flow measured from the microwave sensor. Research highlights: It has been determined that the developed microwave sensor measurement system can be used to evaluate the performance of sowing machines in the laboratory and to monitor the amount of seed flow in the field.
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Oborzhytskyy, V., V. Storozh, Y. Matiieshyn, and V. Protasevych. "INCREASING THE SENSITIVITY OF THE DOPPLER MICROWAVE MOTION SENSOR." Information and communication technologies, electronic engineering 2, no. 2 (2022): 79–87. http://dx.doi.org/10.23939/ictee2022.02.079.

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The paper considers a method of increasing the sensitivity of a microwave motion sensor based on the Doppler Effect, based on the application of amplitude manipulation of electromagnetic vibrations reflected from a moving object. A microwave motion sensor based on an integrated antenna-oscillator is described, in which amplitude manipulation of the information signal is implemented due to the amplitude manipulation of the reflected oscillations, followed by signal processing at the frequency of the manipulation, which allows reducing the effect of the sensor's own noise on the information signal. The results of an experimental study of such a microwave sensor are given, in which the level of noise and internal interference is approximately 20 dB lower compared to the traditional autodyne mode of operation of the same sensor.
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Czyżewski, Andrzej, Józef Kotus, and Grzegorz Szwoch. "Estimating Traffic Intensity Employing Passive Acoustic Radar and Enhanced Microwave Doppler Radar Sensor." Remote Sensing 12, no. 1 (2019): 110. http://dx.doi.org/10.3390/rs12010110.

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Innovative road signs that can autonomously display the speed limit in cases where the traffic situation requires it are under development. The autonomous road sign contains many types of sensors, of which the subject of interest in this article is the Doppler sensor that we have improved and the constructed and calibrated acoustic probe. An algorithm for performing vehicle detection and tracking, as well as vehicle speed measurement, in a signal acquired with a continuous wave Doppler sensor, is discussed. A method is also experimentally presented and studied for counting vehicles and for determining their movement direction by means of acoustic vector sensor application. The assumptions of the method employing spatial distribution of sound intensity determined with the help of an integrated three-dimensional (3D) sound intensity probe are discussed. The enhanced Doppler radar and the developed sound intensity probe were used for the experiments that are described and analyzed in the paper.
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Khablov, Dmitry V. "Application of microwave Doppler displacement sensors in anti-lock braking system." Izmeritel`naya Tekhnika, no. 2 (2021): 43–48. http://dx.doi.org/10.32446/0368-1025it.2021-2-43-48.

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The issues of optimization of the vehicle anti-lock braking system are considered. To increase the reliability of the system, it is proposed to use a brake distribution system adaptive to the quality of the road surface for a quick stop of the vehicle while maintaining controllability. The system together with sensors angular wheel speed included a microwave Doppler displacement and speed sensor. The use of the specified Doppler sensor made it possible to achieve a more accurate coincidence of the dependence of the braking force on the degree of adhesion of the wheels to the road surface by monitoring the ratio between the angular and linear speeds of movement. In this way, it was possible to minimize the braking distance of the vehicle while maintaining controllability under various driving conditions.
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Beckwith, Dana M., and Katharine M. Hunter-Zaworski. "Passive Pedestrian Detection at Unsignalized Crossings." Transportation Research Record: Journal of the Transportation Research Board 1636, no. 1 (1998): 96–103. http://dx.doi.org/10.3141/1636-16.

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The city of Portland, Oregon, is researching ways to provide safe unsignalized crossings for pedestrians. A concept that shows promise is known as passive pedestrian detection. Passive pedestrian detection is the detection of pedestrians in a stationary or moving state at the curbside of or in a pedestrian crossing by means other than those requiring physical response by the pedestrian. Research was conducted to find sensor technologies that can be used to passively detect pedestrians. Five technologies were found to be options for this type of detection: passive infrared, ultrasonic, microwave radar, video imaging, and piezometric. Of these five technologies, passive infrared, ultrasonic, and microwave radar were selected for testing. An unbiased selection of sensors was made by using a decision matrix in the form of the quality function deployment method, which also provides a record of sensor information for future research. Preliminary testing was conducted on the sensors to ensure that the detection of pedestrians was possible and to determine sensor operating characteristics. Sensors then went through secondary tests to ensure proper operation at an unsignalized crossing. The secondary test site was retrofitted with reflective pedestrian crossing signs, yellow beacons, Doppler radar, and passive infrared sensors chosen from the preliminary tests. Initial secondary tests have shown promising results for the Doppler radar and especially for the passive infrared sensors. Future applications of passive pedestrian detection in Portland will involve installation of sensors at signalized pedestrian crossings.
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Kehrbeck, Jürgen, Eberhardt Heidrich, and Werner Wiesbeck. "Microwave Front End for True Ground Speed Measurements." Journal of Navigation 48, no. 1 (1995): 88–96. http://dx.doi.org/10.1017/s0373463300012522.

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A dual channel microwave Doppler-Sensor-Module for 24 GHz is presented. This front end is well suited for true ground speed and distance measurements in all kinds of automotive applications. The microwave components such as oscillator, mixer, antenna and their characteristics in the MIC are discussed. The influence of the antenna pattern and the road surface on the Doppler spectrum is treated in a 3D-field theoretical simulation. This simulation takes the antenna nearfield and the distributed scattering of the road into account.
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Shapoval, V., J. Lev, J. Bartoška, and F. Kumhála. "Application of Doppler Radar for Wildlife Detection in Vegetation." Scientia Agriculturae Bohemica 49, no. 2 (2018): 136–41. http://dx.doi.org/10.2478/sab-2018-0019.

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Abstract The objective of this paper was to test the suitability of Doppler microwave radar for the detection of wild animals hidden in grassland in front of the harvester. The ability of Doppler radar HB100 sensor to detect a dog or a human person hidden behind different types of crops was tested in laboratory conditions. Relative movement between the radar and the observed object was secured by the assembly acting as mathematical pendulum. The radar always moved in front of different crop samples (arranged in two or one line). The dog or human person was situated behind the crop. In five out of seven cases, the sensor was able to detect the human person. Only in two out of seven cases, the sensor was able to detect the dog. Nevertheless, it can be concluded that microwave radar sensor can be a useful device for detection of wild animals in the crop. Next research is needed in order to better explain the influence of disturbing factors on the measurements.
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Thi Phuoc Van, Nguyen, Liqiong Tang, Veysel Demir, Syed Faraz Hasan, Nguyen Duc Minh, and Subhas Mukhopadhyay. "Review-Microwave Radar Sensing Systems for Search and Rescue Purposes." Sensors 19, no. 13 (2019): 2879. http://dx.doi.org/10.3390/s19132879.

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This paper presents a survey of recent developments using Doppler radar sensor in searching and locating an alive person under debris or behind a wall. Locating a human and detecting the vital signs such as breathing rate and heartbeat using a microwave sensor is a non-invasive technique. Recently, many hardware structures, signal processing approaches, and integrated systems have been introduced by researchers in this field. The purpose is to enhance the accuracy of vital signs’ detection and location detection and reduce energy consumption. This work concentrates on the representative research on sensing systems that can find alive people under rubble when an earthquake or other disasters occur. In this paper, various operating principles and system architectures for finding survivors using the microwave radar sensors are reviewed. A comparison between these systems is also discussed.
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Rodrigues, Davi V. Q., and Changzhi Li. "A Review on Low-Cost Microwave Doppler Radar Systems for Structural Health Monitoring." Sensors 21, no. 8 (2021): 2612. http://dx.doi.org/10.3390/s21082612.

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Portable, low-cost, microwave radars have attracted researchers’ attention for being an alternative noncontact solution for structural condition monitoring. In addition, by leveraging their capability of providing the target velocity information, the radar-based remote monitoring of complex rotating structures can also be accomplished. Modern radar systems are compact, able to be easily integrated in sensor networks, and can deliver high accuracy measurements. This paper reviews the recent technical advances in low-cost Doppler radar systems for phase-demodulated displacement measurements and time-Doppler analysis for structural health information, including digital signal processing and emerging applications related to radar sensor networks.
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Dissertations / Theses on the topic "Microwave Doppler sensor"

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Oliveira, Sergio Ferreira de. "Sensor de presença para semáforo inteligente de baixo custo." Universidade de Taubaté, 2012. http://www.bdtd.unitau.br/tedesimplificado/tde_busca/arquivo.php?codArquivo=588.

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Este trabalho destina-se a especificar, analisar e ensaiar um sensor de presença para um semáforo inteligente de baixo custo. O sensor tem por finalidade a redução dos custos de implantação e manutenção nos sistemas de controles dos semáforos inteligentes, quando comparado a outros sensores, tais como, por imagem, ultrassom, laser, infravermelho, pneumático ou indutivo. O princípio de funcionamento tem por base a detecção de veículos na região de aproximação das vias de uma interseção por meio de um sensor que gera um sinal elétrico para o sistema de controle de tráfego. Utilizando sensores de micro-ondas de efeito Doppler e um circuito detecção o sistema torna-se de fácil implantação nos cruzamentos das vias públicas, por possuir tamanho reduzido, facilidade de programação e baixo consumo de energia, atendendo, portanto a necessidade de sistemas sustentáveis. Por motivo de segurança, ao ser iniciado ou reiniciado devido a falta de energia elétrica, o sistema funciona de forma temporizada por dois ciclos completos, tempo suficiente para que seja possível a detecção de veículos pelos sensores.<br>This work aims to specify, analyze and test a presence sensor for an intelligent traffic light at low cost. The sensor is intended to reduce the costs of deployment and maintenance of control systems in intelligent traffic lights, when compared to other sensors such as imaging, ultrasound, laser, infrared, pneumatic or inductive. The operating principle is based on the detection of approaching vehicles in the region of an intersection roads by means of a sensor which generates an electrical signal to the control system traffic. Using sensors microwave Doppler Effect and a loop detection system becomes easy to deploy in the crossings of public roads, for having reduced size, ease of programming and low power consumption, light, therefore the need for sustainable systems. For security reasons, to be started or restarted due to power outages, the system works timed by two complete cycles, enough time to be able to detect vehicles by sensors.
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Niklasson, Johan, and Axel Åström. "Design and Implementation of a Multipurpose Radar Sensor." Thesis, Linköpings universitet, Fysik och elektroteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-158167.

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This thesis presents the design and implementation of a multifunctional radar sensor. Utilising microstrip transmission line technology, a front-end receiver has been designed based upon a six-port architecture. Additionally, digital signal processing has been implemented on a microcontroller, enabling processing and extraction of information from the down converted quadrature signals. Results have show that the sensor is capable of operating as both a continuous wave radar and frequency modulated continuous wave radar. Through measurements, it has been established that the sensor is capable of wireless measurements, such as vital signs and vibrations. Furthermore, a graphical user interface has been design, allowing a way of switching between different radar configurations and the presentation of measured data to the user.
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Books on the topic "Microwave Doppler sensor"

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Palierakis, Yiorgos. Non-intrusive flow measurement of pneumatically conveyed solids: Physical modelling and application of spatial windowing to improve microwave and electrostatic sensors for conveyed solids velocity measurement systems based on transit time correlation and the Doppler effect. 1985.

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Book chapters on the topic "Microwave Doppler sensor"

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Ferrand, Sylvain, François Alouges, and Matthieu Aussal. "A Real-Time Indoor Localization Method with Low-Cost Microwave Doppler Radar Sensors and Particle Filter." In Lecture Notes in Computer Science. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58796-3_54.

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Brock, Fred V., and Scott J. Richardson. "Upper Air Measurements." In Meteorological Measurement Systems. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195134513.003.0014.

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Measurements of atmospheric properties become progressively more difficult with altitude above the surface of the earth, and even surface measurements are difficult over the oceans. First balloons, then airplanes and rockets, were used to carry instruments aloft to make in-situ measurements. Now remote sensors, both ground-based and satellite-borne, are used to monitor the atmosphere. In this context, upper air means all of the troposphere above the first hundred meters or so and, in some cases, the stratosphere. There are many uncertainties associated with remote sensing, so there is a demand for in-situ sensors to verify remote measurements. In addition, the balloon- borne instrument package is relatively inexpensive. However, it should be noted that cost is a matter of perspective; a satellite with its instrumentation, ground station, etc. may be cost-effective when the mission is to make measurements all over the world with good space and time resolution, as synoptic meteorology demands. Upper air measurements of pressure, temperature, water vapor, and winds can be made using in-situ instrument packages (carried aloft by balloons, rockets, or airplanes) and by remote sensors. Remote sensors can be classified as active (energy emitters like radar or lidar) or passive (receiving only, like microwave radiometers), and by whether they “look” up from the ground or down from a satellite. Remote sensors are surveyed briefly before discussing in-situ instruments. Profiles of temperature, humidity, density, etc. can be estimated from satellites using multiple narrow-band radiometers. These are passive sensors that measure longwave radiation upwelling from the atmosphere. For example, temperature profiles can be estimated from satellites by measuring infrared radiation emitted by CO2 (bands around 5000 μm) and O2 (bands around 3.4μm and 15μm) in the atmosphere. Winds can be estimated from cloud movements or by using the Doppler frequency shift due to some component of the atmosphere being carried along with the wind. An active sensor (radar) is used to estimate precipitation and, if it is a Doppler radar, determine winds. The great advantage of satellite-borne instruments is that they can cover the whole earth with excellent spatial resolution.
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Conference papers on the topic "Microwave Doppler sensor"

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Papi, Federico, and Massimiliano Pieraccini. "A rain Doppler microwave sensor." In 2014 European Radar Conference (EuRAD). IEEE, 2014. http://dx.doi.org/10.1109/eurad.2014.6991245.

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Tanigawa, Saeko, Hideaki Nishihara, Shigeo Kaneda, and Hirohide Haga. "Detecting mastication by using microwave Doppler sensor." In the 1st ACM international conference. ACM Press, 2008. http://dx.doi.org/10.1145/1389586.1389686.

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Isa, M., and Z. Wu. "Microwave Doppler Radar Sensor for Solid Flow Measurements." In 2006 European Microwave Conference. IEEE, 2006. http://dx.doi.org/10.1109/eumc.2006.281364.

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Staszek, Kamil, Krzysztof Wincza, and Slawomir Gruszczynski. "Driver's drowsiness monitoring system utilizing microwave Doppler sensor." In 2012 19th International Conference on Microwaves, Radar & Wireless Communications (MIKON 2012). IEEE, 2012. http://dx.doi.org/10.1109/mikon.2012.6233616.

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Greve, D. W., I. J. Oppenheim, B. T. Chorpening, and J. Charley. "Microwave Doppler flow sensor for chemical looping combustion systems." In 2013 IEEE Sensors. IEEE, 2013. http://dx.doi.org/10.1109/icsens.2013.6688544.

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Descamps, P., M. El Bekkali, and J. Vindevoghel. "A GaAs MMIC Doppler Sensor for Automotive Applications." In 22nd European Microwave Conference, 1992. IEEE, 1992. http://dx.doi.org/10.1109/euma.1992.335840.

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Setthapittayakul, Wannasa, Jannatun Noor Sameera, Victor M. Lubecke, and Olga Boric-Lubecke. "Doppler Radar Occupancy Sensor Assessment of Thermal Adaptation." In 2023 Asia-Pacific Microwave Conference (APMC). IEEE, 2023. http://dx.doi.org/10.1109/apmc57107.2023.10439672.

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Jenik, Vojtech, and Premysl Hudec. "Microwave Doppler radar sensor with enhanced immunity against interferences." In 15th Conference on Microwave Techniques COMITE 2010. IEEE, 2010. http://dx.doi.org/10.1109/comite.2010.5481560.

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Roselli, L., F. Alimenti, M. Comez, et al. "A cost driven 24GHz Doppler radar sensor development for automotive applications." In 2005 European Microwave Conference. IEEE, 2005. http://dx.doi.org/10.1109/eumc.2005.1610375.

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Nuti, Pooja, Ehsan Yavari, and Olga Boric-Lubecke. "Doppler radar occupancy sensor for small-range motion detection." In 2017 IEEE Asia Pacific Microwave Conference (APMC). IEEE, 2017. http://dx.doi.org/10.1109/apmc.2017.8251411.

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