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100% - 07

What is noise? How to eliminate noise.

fichier-pdf.fr/2014/04/21/07/ 21/04/2014

99% - 03

Low-band DXing and contesting are two areas that demand the utmost from our equipment, due to the almost continuous presence of all kind of noise, as well as strong nearby signals.

fichier-pdf.fr/2014/04/21/03/ 21/04/2014

99% - Characterisation of noise in homes affec

Characterisation of noise in homes affec Proceedings of Acoustics 2012 - Fremantle 21-23 November 2012, Fremantle, Australia Characterisation of noise in homes affected by wind turbine noise Benjamin Nobbs, Con J.

fichier-pdf.fr/2019/12/27/characterisationofnoiseinhomesaffec/ 27/12/2019

96% - Satellite Comms Link Budget

SFD Uplink Path Loss Rain Attenuation „ Antenna Gain Power of Amplifier Uplink Downlink Path Loss Rain Attenuation „ „ EIRP Up Path Loss Rain Attenuation G/T ES Gt Pt LNA / LNB HPA / Transceiver 1 Satellite Receiving Earth Station „ G/T „ EIRP „ SFD (Saturated Flux Density) Amplifier Characteristic „ „ (Equivalent Isotropic Radiated Power) „ „ Antenna Gain LNA /LNB Noise Temperature Other Equipment Downlink „ „ Path Loss Rain Attenuation Signal Power Calculation Antenna Gain Antenna Beam width G = η (Π * d / λ) 2 [dBi] θ3dB = 70 * C / df Where, λ=C/f, C = Speed of light f = frequency of interest η = efficiency of antenna (%), d = diameter of antenna (m) EIRP Is the effective radiated power from the transmitting side and is the product of the antenna gain and the transmitting power, expressed as EIRP = Gt Pt –Lf Signal Power Calculation [dB] [degrees] Where, C= 3x108 m/s (Velocity of Light) Signal Power (Pr) Pr = EIRP – Path Loss Gr (sat) [dB] Where, Path Loss = (4ΠD / λ) 2 D is the Slant Range (m) Where, Lf is the Feed Losses 2 Noise Calculation Thermal Noise Is the noise of a system generated by the random movement of electronics, expressed as Noise Power = KTB Where, K= (-228.6 dBJ/K) T= Equivalent Noise Temperature (K) B= Noise Bandwidth of a receiver Effective Temperature Noise Temperature Te = T1 (T2/G1) Ts = Tant / Lf (1-1/Lf)Tf Where, Where , Tant = Temperature of antenna Lf = Feed Losses Tf = Feed Temperature T1= Temperature of LNA T2= Temperature of D/C G1= Gain of LNA Effective Temperature G/T (Gain to System Noise Temperature) „ Tsys = Ts Te „ „ „ Being a first stage in the receiving chain, LNA is the major factor for the System Temperature Calculation Lower the noise figure of LNA lower the system temperature Antenna temperature depends on the elevation angle from the earth station to satellite „ This is the Figure of merit of any receiving system It is the ratio of gain of the system and system noise temperature G/T = G-10log (Tsys) [dB/K] 3 Eb/No (Energy per bit per Noise Power Density) Link Analysis C/N Uplink (C/N)u = (EIRP)e-(Path Loss)u (G/T)sat-K-Noise BW „ [dB] „ C/N Downlink (C/N)d = (EIRP)sat-(Path Loss)d (G/T)e-K-Noise BW „ [dB] „ C/N Total (C/N)T-1 = (C/N)u-1 (C/N)d-1 [C/I)IM-1 [C/I]adj-1 [C/I]xp-1 Carrier Parameters „ Solution - Carrier Performance:

fichier-pdf.fr/2012/06/01/satellite-comms-link-budget/ 01/06/2012

95% - AGU Jean Clary v5

V-1) Mapping total currents We add white noise to synthetic radial currents, then we map them with 2Dvar.

fichier-pdf.fr/2018/02/11/agu-jean-clary-v5/ 11/02/2018

95% - ssp 87

ssp 87 January 2012 2007-2010 CX-7, 2007-2010 Mazdaspeed3, 2006-2007 Mazdaspeed6 – L3T Engine Variable Valve Timing Noise and Timing Chain Noise Warranty Extension Program - Special Service Program (SSP) 87 Dear Mazda Owner:

fichier-pdf.fr/2012/05/05/ssp-87-1/ 05/05/2012

94% - 16 10 21 Wind Turbine Noise synthèse Punch James

16 10 21 Wind Turbine Noise synthèse Punch James Wind Turbine Noise and Human Health:

fichier-pdf.fr/2016/10/27/16-10-21-wind-turbine-noise-synthese-punch-james/ 27/10/2016

93% - 01006 13

02/13/2013 UNUSUAL ENGINE NOISE AFTER A COLD ENGINE START 2013-2014 CX-5, 2014 MAZDA6 - UNUSUAL ENGINE NOISE AFTER A COLD ENGINE APPLICABLE MODEL(S)/VINS 2013-2014 CX-5 2014 Mazda6 DESCRIPTION Some customers may complain about an unusual noise coming from the engine compartment for about 20 seconds after a cold engine start.

fichier-pdf.fr/2014/05/13/01006-13/ 13/05/2014

92% - rci 6300 f25 f150 om

Ignition Noise Interference ......................................................

fichier-pdf.fr/2016/10/01/rci-6300-f25-f150-om/ 01/10/2016

91% - E00513

Steering Gear Noise and/or Vibration When Turning Steering Wheel DESCRIPTION When turning the steering wheel, some vehicles may exhibit an unusual noise from the steering gear or vibration (like rattling, knocking, etc.) is felt on the steering wheel.

fichier-pdf.fr/2014/04/18/e00513/ 18/04/2014

91% - om dx2517

Remote Speaker Noise Interference The external speaker jack (EXT.

fichier-pdf.fr/2016/09/26/om-dx2517/ 26/09/2016

91% - om dx2517

Remote Speaker Noise Interference The external speaker jack (EXT.

fichier-pdf.fr/2016/09/30/om-dx2517/ 30/09/2016

91% - DX33HPmanual

4 Ignition Noise Interference .

fichier-pdf.fr/2016/09/26/dx33hpmanual/ 26/09/2016

90% - dx77hml om

4 Ignition Noise Interference .

fichier-pdf.fr/2016/09/26/dx77hml-om/ 26/09/2016

90% - pb moteur 4.2

file:///D:/ElsaWin/docs/hs2/A/en-GB/src/01/707073/master.htm 12/05/2015 V6/V8/V10 FSI, metallic knocking noises from engine compartment(2015932/15) Page 4 sur 5 If all three symptoms, knocking noise, blank areas and aluminium abrasion in the oil sump, are present, damage to the cylinder running surfaces is highly likely.

fichier-pdf.fr/2015/05/12/pb-moteur-4-2/ 12/05/2015

90% - magnum s3 om

Any of the above conditions could result in a high level of receiver noise generation or a substantial loss of the transmitter’s RF output.

fichier-pdf.fr/2016/09/28/magnum-s3-om/ 28/09/2016

90% - raptor om

Any of the above conditions could result in a high level of receiver noise generation or a substantial loss of the transmitter’s RF output.

fichier-pdf.fr/2016/09/28/raptor-om/ 28/09/2016

90% - Plaquette Consult'Impact

Plaquette Consult'Impact Consult’Impact Une opportunité pour les entrepreneurs sociaux et les associations d’échanger avec un groupe d’étudiants consultants Noise Consult’Impact est une équipe d’étudiant de l’EM Lyon Business School qui propose des missions de conseil sans aucun coût destinées aux entrepreneurs sociaux et aux associations.

fichier-pdf.fr/2016/03/08/plaquette-consult-impact/ 08/03/2016

89% - magnum s9 om

Secondly, the battery is a very large capacitor and will help eliminate certain types of ambient and vehicle noise.

fichier-pdf.fr/2016/09/28/magnum-s9-om/ 28/09/2016

89% - Rapport Projet 2A Giraud Rémi

Detection on black-and-white SAR images is based on a previous denoising in order to correct the typical SAR noise, then on a binarization.

fichier-pdf.fr/2014/07/18/rapport-projet-2a-giraud-remi/ 18/07/2014

89% - Canadian Family Physician mai 2013

Wind turbine noise. ... Wind turbines, noise and health.

fichier-pdf.fr/2018/05/31/canadian-family-physician---mai-2013/ 31/05/2018

89% - prospectus THE SOUND OF NOISE

prospectus THE SOUND OF NOISE C IN E R E G AR D S T O U S LE S J E UD IS UN AUTRE REGARD SUR LES FILMS CINEMA IMPERIAL – 39 RUE DE LA REPUBLIQUE - LUNEVILLE JEUDI 24 MARS 2011 17 HEURES 30 ET 20 HEURES 30 THE SOUND OF NO ISE Une comédie policière musicale Suédoise Version Originale sous titrée Français Durée 1 heure 42 L’officier de police Amadeus Warnebring est né dans une illustre famille de musiciens.

fichier-pdf.fr/2011/03/05/prospectus-the-sound-of-noise/ 05/03/2011

89% - DX95T2manual

3 Ignition Noise Interference .

fichier-pdf.fr/2016/09/26/dx95t2manual/ 26/09/2016

88% - MM006 LA TERRE TREMBLE 'SALVAGE BLUES'

RADIO Ferrarock – En playlist Kfuel – En playlist Radio Campus – En playlist Radio Laser - Interview Noise Rus - Interview Radio Pays d’Hérault - Interview Radio Grenouille - Interview Les Ecoutilles – Interview PRESSE SPECIALISEE New Noise – Interview New Noise – Chronique Longueur d’ondes – Chronique Abus Dangereux – Chronique Mouvement – Short News Magic – Chronique WEB The Drone – Borne d’écoute Mowno – Borne d’écoute Pop news – Short News W-Fenec – Short News Metal Orgie – Short News The Drone – Short News A Découvrir Absolument – Chronique Toujours un coup d’avance – Chronique Derrière la fenêtre – Chronique Stnt – Chronique Top Your Sound Box – Chronique Rock made in France – Chronique MuzzArt – Chronique Mowno – Chronique Whatalovelytea – Chronique SQW – Chronique Gonzai – Chronique W- Fenec – Chronique Ventiolo – Chronique Heavy Mental – Chronique I am a Long Fish Song – Chronique Pop is on Fire – Live Report Alter1fo – Live Report Le Forum Indie Rock – Live Report SWQ – Live Report Green Cats Babies – Live Report Street Generation – Live Report 666rpm – Live Report Ground Control to Major Tom – Interview Pop news – Interview Alter1info – Interview I am a Lungfish Song – Interview MARKETING Chronicart - Pub Album ‘Salvage Blues’ – Web LOCAL PRESSE Info magazine – Short News ( Clermont Ferrand ) Midi Libre – Short News ( Montpellier ) WEB Pulsomatic – Chronique ( Nantes ) Ouest France – Chronique Nantes ) INTERNATIONAL BELGIQUE Shoot me again - Chronique web ANGLETERRE The Quietus – Chronique web Rockfort – Interview NATIONAL – RADIO – En Playlist diffusé - sur Radio FMR (Toulouse) :

fichier-pdf.fr/2017/02/01/mm006-la-terre-tremble-salvage-blues/ 01/02/2017

88% - 68ShootingAccess387 406

Lightweight Brownells Electronic Ear Muffs automatically reduce harmful noise above 85 decibels, while amplifying low-level sounds like range commands.

fichier-pdf.fr/2015/10/29/68shootingaccess387-406/ 29/10/2015