3 edition of Method and device for the detection and identification of a helicopter found in the catalog.
Method and device for the detection and identification of a helicopter
|Series||NASA technical translation -- NASA TT-20251., NASA technical translation -- 20251.|
|Contributions||United States. National Aeronautics and Space Administration.|
|The Physical Object|
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Get this from a library. Method and device for the detection and identification of a helicopter. [Hans Siebecker; United States. National Aeronautics and Space Administration.].
Method and device for the detection and identification of a helicopter. The invention presents a method for detecting and identifying a helicopter based on its characteristic emission of energy in the visual and infrared regions as well as acoustic energy by employing a fire control computer with data storage and a device for targeting and Author: Hans Siebecker.
All of this would be properly communicated to and coordinated with the flight crew. Such a system would sense ice accretion through traditional icing sensors and use modern system identification methods to estimate aircraft performance and control changes. A method for ice detection on the tail of an experimental aircraft was by: The methods of determining engine type (jet or HELICOPTER IDENTIFICATION appropriate aircraft book for final determination of the model.
Military Aircraft of the World is a. Finally, Canny edge detection algorithm and proposed image gradient method were employed to quantitatively estimate the defect size, and the ability of identifying defects was also improved.
The blade flash signature in a radar return is enhanced and used to detect and classify helicopter targets. The radar return of a target is fast Fourier transfor and the frequencies corresponding to DC and the body of the target are filtered out Instead, in the helicopter community a modeling method based on system identification has been developed and successfully used with full-scale helicopters.
The experimental nature of a system-identification based method enables the engineer to recognize the key flight-dynamic characteristics of the vehicle, and thus allows the engineer to File Size: KB.
the identification of microplastics. After an overview of non-selective sampling approaches and sample processing in the laboratory, we will introduce the reader to currently applied detection techniques for microplastics.
Finally, we present a case study to emphasize the importance of File Size: 1MB. Real-time PCR technology is a reliable method in identification and quantitative detection of bacteria due to its accuracy, rapidity, specificity, and low detection limit.
In addition, it is a promising alternative approach to estimating the number of bacteria [22, 23].Author: Lingwen Zeng, Lihua Wang, Jiao Hu. COMPONENT PACKAGE LEAK DETECTION A simple, reliable, inexpensive method for gross-leak testing of electronic devices is based on the conventional fine-leak technique.
The method can detect leaks as small as 10"7 cc helium per sec. As shown in the diagram, the tester includes a sample chamber connected by a small orifice to a test chamber, a helium.
The detection of explosive compounds has received considerable attention for national security and environmental applications. This security generates the major demand for effective, innovative field-deployable devices for detecting organic explosives in. Identification of Helicopter Dynamics based on Flight Data using Nature Inspired Techniques S.N.
Omkar1, Dheevatsa Mudigere2, Senthilnath J1, M. Vijaya Kumar3 1Department of Aerospace Engineering, Indian Institute of Science-Bangalore,KA, India 2Lehrsthul für Scientific Computing in Computer Science, Informatik Department, TUM, München – Author: S.
Omkar, Dheevatsa Mudigere, J Senthilnath, M. Vijaya Kumar. acoustic inverse simulation technique. This new method allows for the identification of individual rotor harmonic noise sources and allows them to be characterized in terms of their individual non-dimensional governing parameters.
This new method is applied to both wind tunnel measurements and ground noise measurements of two-bladed rotors. A new health and usage monitoring methodology for detection and identification of damage in a helicopter rotor is presented.
field signature method, acoustic emission, leak detection, corrosion monitoring methods and pigging devices. The second half of the article comprises the treatment and analysis of inspection File Size: KB. Fault detection of a helicopter gearbox by pattern classification is discussed. The detection system is composed of two components, a quantization matrix to flag the measurements, and a multi-valued influence matrix (MVIM) that represents the behavior of measurements during normal operation and Cited by: Devices must be powered on to be identified.
Devices must be connected either wirelessly or via USB. HP can only identify HP-branded products. HP can only identify: printers, laptops, tablets, mobile devices, desktops, monitors, scanners, and calculators.
check up to the helicopter. By using the obtained flight data, system identification is performed by frequency-response method with the help of commercial software known as Comprehensive Identification from Frequency Responses (CIFER®). Keywords: Air data boom, CIFER®, Flight Test, Helicopters, System Identification.
components. This method can produce good results if the frequency band is appropriately chosen. The data used by McInerny et al were derived from sensor #6, i.e., the Port-Ring accelerometer.
Analytical procedure In this paper, we propose a simple and yet effective approach to detecting the planet carrier cracking in a helicopter main by: 1. Cockpit Alarm Detection and Identification Algorithm for Helicopters. In recent years, the National Transportation Safety Board (NTSB) has emphasized the importance of analyzing flight data such as cockpit voice recordings as an effective method to improve the safety of helicopter : Sanghyun Shin, Yiqing Ding, Inseok Hwang.
Additionally, fixed-wing ASW aircraft MAD configurations are fixed in the tail boom, and helicopters tow the sensor on a 25 - 55 meter cable below and behind the aircraft, which reduces "noise" caused by the helicopter.
Because of the relatively short detection ranges possible, MAD is not generally utilized as an initial detection sensor. Object detection is the task of detecting instances of objects of a certain class within an image.
The state-of-the-art methods can be categorized into two main types: one-stage methods and two stage-methods. One-stage methods prioritize inference speed, and example models include YOLO, SSD and RetinaNet.
Two-stage methods prioritize detection accuracy, and example models include. Detection methods using polymerase chain reaction (PCR)-based assays. Polymerase chain reaction (PCR) is an in situ DNA replication process that allows for the exponential amplification of target DNA in the presence of synthetic oligonucleotide primers and a thermostable DNA polymerase (Farber ; Wang et al.
).A wide range of different concentrations or units of DNA templates .