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High frequency

Our main pages on this subject:

1.Lunar radar control - Zoom in the Lab
 From now on, its waves will travel towards our natural satellite, using a novel method : trans-ionospheric propagation, which consists in crossing the ionosphere, this time using the waves of highest frequencies of the HF spectrum.... We are mainly interested in the radar aspect : when a high frequency wave crosses the ionospheric layers, it is slightly deflected....
 
2.Diagnostics en compatibilité électromagnétique - Offre technologique Onera
 High frequency stochastic modeling :...
 
3.Diagnosis of Electromagnetic Compatibility - Onera's Technological Offer
 High frequency stochastic modeling :...
 
4.Modeling and Simulating Medium and High Frequency Vibrations of Complex Structures - ONERA / DADS-EN
 Modeling and Simulating Medium and High Frequency Vibrations of Complex Structures - ONERA / DADS-EN... Modeling and Simulating Medium and High Frequency Vibrations of Complex Structures... The problem of medium and high frequencies... Realistic, complex industrial structures exhibit typical transport and diffusive behaviours in their high-frequency (HF) range of vibration....
 
5.Internal Noise Prediction in Fixed-Wing Aircraft Fuselages - ONERA / DADS-EN
 They are based on the finite element method in the low (LF) and mid-frequency (MF) ranges on a one hand, and on energetic approaches in the high-frequency (HF) range on the other hand :... Low and mid-frequency response simulations were performed by the finite element method for the Falcon cell, and high-frequency response simulations were performed by the SEA method for the Falcon cell and the ATR - 42 fuselage....
 
6.Heterogeneous multiphasic flows - ONERA / DMAE-EN
 Control of high-frequencies combustion instabilities...
 
7.ONERA - Physics Instrumentation and Sensing (DMPH) - Facilities
 Electronics analog electronics laboratory with : reference sources, signal generators, oscilloscopes, voltmeters, ammeters, high precision capacitance meters low frequency (up to 64.10-6 Hz) and high frequency (up to 100 kHz) spectrum analyzers components, cards, spatial wiring multi-layer embedding software and Spice simulation software digital electronics laboratory with : logical states analyzer multi-layer embedding software and simulation software...
 
8.Laser Oxidation Analysis Facilities (BLOX) - ONERA / DMSC-EN
 Tests conducted in sealed cold wall chambers to prevent any contamination of the test atmosphere, at pressures ranging from a few millbars to several barsVery low thermal inertia to allow temperature cycling at high frequency and very rapid temperature rises. Last Update :.
 
9.A cryogenic combustion research test bench - Operation with Oxygen / Hydrogen - ONERA / DEFA-EN
 High frequency instability...
 
10.RHILP [ Handling Qualities ]
 How can the small amplitude / high frequency response be classified ?...
 


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