noise reduction

None of these noise-reduction methods relies on particularly new technologies, so why haven't stealth helicopters been more common?

Similar noise-reduction campaigns are put in place in other cities across the country.

In this test the crops below show the effect of the noise reduction on such texture (hair) as you move up the ISO range.

Table shows the performance of each filtering technique in terms of noise reduction for different digital camera models.

At present rubber mount and passive hydraulic mount are mainly used to be vibration isolation and noise reduction.

With the advantage of simple structure, recursive filter be widely used in image noise reduction and target enhance for sequence images.

And the acoustical feedback of the secondary source is one of the key problems that affect noise reduction in ducts.

Environmental protection, fire fighting, noise reduction, civilized construction measures applied to the site.

Described are the sound source detection method for the aerodynamic noise on Shinkansen rolling stock and relevant noise reduction measures.

Noise & Acoustics (certified), Sampling of Wastewater (accredited), measurements, calculations and design of noise reduction projects.

You need to be able to achieve this without filtering or noise reduction.

and a noise reduction portion to attenuate noise propagation through the exhaust duct.

Detecting noise reduction capability of TCM muffler reveals that the muffler is not good at elimination of medium and high frequency noises.

This research is carried out a comprehensive noise control and achieves good results for the noise reduction.

Helmholtz resonator has a good noise eliminating performance at low frequency. So it has been widely used on low frequency noise reduction.

Changing volume ratio of the two-chamber muffler can improve the effective noise reduction frequency range of the muffler.

Through the research on numerical simulation of traveling wave, researches on drag and noise reduction mechanisms are explored.

A new noise reduction system in the DSC-T9 keeps this to a minimum, the company said.

The research provides a theoretical basis for improving noise reduction effect and saving construction materials inside highway tunnels.

Through noise instrument and ultrasonic instrument, vibration and noise reduction effects of rubberized concrete were studied.

Finally, the designed active noise control system is applied to bus, a good results of noise reduction is achieved.

Gains in fuel efficiency and noise reduction could also come from embedding the engines into the topside of the fuselage.

Profiles are flexible connections between components that ensure tightness, noise reduction and vibration damping.

The invention discloses an impeller noise reduction structure for aspirator motor, which belongs to the aspirator structure field.

In recent years, wavelet transform has been widely used in noise reduction for its well time-frequency analysis features.

The results show that the method can be applied to noise reduction.

The principles and methods of the drag and noise reduction technology used on underwater crafts are briefly introduced.

Was used as a contrast, presents a traditional image noise reduction algorithm, the mean filtering.

The platform contains noise reduction, wide dynamic range compression (WDRC) and feedback cancellation.

You enjoy the same total noise reduction and audio quality, with an equally comfortable fit.

Our full-spectrum noise reduction fades background distractions and dramatically decreases engine roar on planes.

This paper focuses on the noise reduction of the 4102 diesel engine. Through the diesel engine test, the noise sources are identified.

Third-party Noise-Reduction Plug-ins should be avoided but are acceptable if Chief Photographers are convinced they are being used properly.

Under the limited size of the enclosure, the higher noise reduction is obtained in limited space, and good effectiveness is gained.

The low noise box body independently develops by our factory, reasonable design, the noise reduction performance is high.

The single-channel speech enhancement system designed in this paper has been applied for noise reduction of the short-wave radio.

A generalized time-frequency filtering method is presented for noise reduction of flight flutter testing data.

We use wavelet transform and SPIHT encoding method to compress the data that we got after speckle noise reduction.

In terms of noise reduction, the future aircraft has been drawn featuring an inverted V wing stretched over its engines.

Not to mention the potential benefits to the environment, and the noise reduction.

Noise reduction for interferometric phase images in synthetic aperture sonar(SAS) is addressed in this paper.

Focused on the wavelet analysis in image enhancement, noise reduction, compression and fusion.

Its propulsion also employs special noise reduction features to reduce its acoustic signature.

cab uses new steel structure , broadminded , secure , damping noise reduction.

Noise barrier is an important way to control traffic noise. Its structure strongly influences the noise reduction effect.

Dolby noise reduction manufactured under the license from Dolby Laboratories Licensing Corporation.

Building walls, firewall, fire doors and elevator well fire prevention and noise reduction.

Newly improved noise reduction property and added with "sound insulation cushion"

Digital noise reduction digitally samples the video image and removes excessive noise.

The noise reduction is much better. This is a particular advantage for the quality of the offices especially those facing the jianguo road.

DeNoise: Noise reduction plugin using a modified Gaussian blur algorithm.

A dynamic noise-reduction filter optimizes the bit rate for efficient video transfer over IP networks.

Noise reduction: cladding and insulation of installations emit-ting noise.

The image noise reduction technology belongs to image recovery technology.

Italso requires good frequency control, noise reduction and contingency plans, and often improvises when things don't go as planned.

This won't prevent digging down, but it's likely, according to builder Jeremy Fisher, to add dust and noise reduction requirements.

The test results show that three methods have good effects on the noise reduction of compressor.

Conventional arithmetic needs a Noise-Reduction-Filter after the High-PASS-Filter to leach away the Additive-Noise caused by edge enhancing.

In this paper, the mechanism of flow noise production and the methods of flow noise reduction are presented.

Substantial noise reduction is achieved both within the magnet bore and outside the magnet.

Hearing protectors - Safety requirements and testing - Part 5 : active noise reduction ear-muffs.

Plus you get DSP bandpass filter, notch filter, noise reduction and equalizer.

Civil aviation noise-reduction with economic reality.

Main factors that influence the noise value are discussed and some suggestion on noise reduction are proposed.

a means of noise reduction.

The result shows that average absorption coefficient and noise reduction coefficient separately equal to 0.

No ability to control colour saturation, tone or noise reduction.

Good night exposures with noise reduction enabled.

Based on the analysis of gear noise mechanism and its affecting factors, an indirect method of noise reduction is obained in this article.

If noise reduction is enabled, an information bar will display in the report.

The main researches are summarized as follows: (1) The optimal design for the most effective structure of vibration and noise reduction.

Under the rule of Bayesian maximum a posteriori (MAP), shrink thresholding function is deduced, which is applied to image noise reduction.

Traditional image enhancement algorithm enhances the contrast grade and noise of image at the same time. So, noise reduction is needed.

The calculated pole arc factor is adjusted to achieve noise reduction by using the developed program.

A maximum similarity matching algorithm for noise reduction in Web pages is presented based on LCS.

That's some serious noise reduction!

The median filter which is a non-liner filter is a classical method of noise reduction.

Sound absorption and noise reduction; it can effectively prevent sound from spreading.

If yours doesn't, search for a 'sound editor' or 'noise reduction' product on sites such as download. com.

In the end, this paper calculates the noise of hovering rotors that is basic researching work for helicopter noise reduction.

Since this is the GF1, maximum user expectations: GX1 joined the g series advantage, achieved some good results in noise reduction!

On noise reduction effect, it is another effective reduction method of tyre-to-road noise with OGFC-13 pavement and SMA-13 pavement.

In the noise control, it can be used in sound absorption and noise reduction in the room.

Wavelet analysis theory, can distinguish signal and noise in the mutant part, in order to achieve the noise reduction.

Experimental Study of Noise Reduction for a Centrifugal Fan with Non-isometric Forward-swept Blade Impeller

Industry: Energy-saving equipment; Electronics manufacturing equipment; Muffler noise reduction equipment; Compensator;

Development of the Sound Absorption Material Used for Noise Reduction in Highway Tunnel

Industry: Heat transfer, refrigeration air conditioning; Compression, separation equipment; Muffler noise reduction equipment;

Industry: Sewage Treatment Equipment; Muffler noise reduction equipment; Pressure filtration device; Magnetic Separation Equipment; Sulfur;

Industry: Muffler noise reduction equipment; Meter; Special instrumentation; Analytical Instruments; Microphone; Sound Level Meter;

Industry: Muffler noise reduction equipment; Meter; Special instrumentation; Analytical Instruments; Microphone; Sound Level Meter;

Noise reduction effect of noise barrier made of sound-absorbed bricks with resonance cavities along expressway

Industry: Muffler noise reduction equipment; Processing of environmental protection equipment; Industrial noise control equipment;

Industry: Muffler noise reduction equipment; Ordinary steel; Refrigeration Equipment; Industrial noise control equipment;

Industry: Muffler noise reduction equipment; Sewage Treatment Equipment; Air purifier; Pressure filtration device; Waste Incineration;

Industry: Greening Project; Muffler noise reduction equipment; Public sanitation facilities; Sculpture; Green seedlings; Arbor;

Industry: Muffler noise reduction equipment; Pressure filtration device; Magnetic Separation Equipment; Filter; PA; PA renewable materials;

Countermeasures of Noise Reduction for Shinkansen Electric-Current Collecting System and Lower Parts of Cars

Industry: Sewage Treatment Plants; Air Purifier; Other muffler noise reduction equipment; Environmental Protection Equipment Agents;

Industry: Muffler noise reduction equipment; Desulphurization and dust removal equipment; Industrial boilers and accessories; Lathe;

Industry: Muffler noise reduction equipment; Air purifier; Sewage Treatment Equipment; Waste Incineration; Waste gas treatment equipment;

Industry: Sewage Treatment Equipment; Muffler noise reduction equipment; Waste Incineration; Water Quality Analyzers; Air purifier;

Industry: Meter; Muffler noise reduction equipment; Tools, fixtures; Fans, ventilation equipment, ; Balancing Machine;

Fine sound absorption noise reduction performance. model application: Aircraft high temperature heat insulation heat preservation;

First, single frame image was processed by threshold segmentation and background noise reduction to extract the fire target;

Mechanism of the noise generation of a circular saw blade and technique for noise reduction

Industry: Noise, sound-absorbing material; Other machine tools; Other muffler noise reduction equipment; Other fasteners, connectors;

Industry: Muffler noise reduction equipment; Heat insulation materials; Fire-resistant, fireproof materials; Car muffler;

Industry: Noise, sound-absorbing material; Car muffler; Industrial noise control equipment; Other muffler noise reduction equipment;

Industry: Industrial noise control equipment; Other muffler noise reduction equipment; Other sewage treatment equipment;

Industry: Air purifier; Muffler noise reduction equipment; Waste Incineration; Fume purification equipment;

Industry: Noise, sound-absorbing material; Industrial noise control equipment; Other muffler noise reduction equipment;

Industry: Industrial noise control equipment; Noise, sound-absorbing material; Other muffler noise reduction equipment;

Industry: Gasoline Generator; Safe; Other muffler noise reduction equipment; Pressure processing; Welding and bonding;

Industry: Exhaust valve; Control Valve; Other valves; Other fans, ventilation equipment; Other muffler noise reduction equipment;

Industry: Muffler noise reduction equipment; Grading equipment; Industrial noise control equipment;

Effect of the outer casing of a porous diffusion type silencer on the noise reduction of silencer

Industry: Muffler noise reduction equipment; Heat insulation materials; Motorcycle; Body and accessories;

Industry: Air purifier; Sewage Treatment Equipment; Muffler noise reduction equipment; Activated Carbon;

Industry: Muffler noise reduction equipment; Separation equipment; Plumbing Hardware; Spring; Rubber; Fan Coil Unit;

Industry: Blowers; Fan; Blade; Other muffler noise reduction equipment; Desulphurization and dust removal equipment;

Industry: Generators, generator sets; Muffler noise reduction equipment; Diesel generator; Diesel fuel;

Research into the application of wavelet transformation in magnetic memory signal noise reduction technology

Study on Heavy Load Hydrodynamics and Characteristic Investigation about Vibration and Noise Reduction of Propeller with Sawtooth Shape Tip

Noise reduction and vibration isolation in the air conditioning system of an office building

Analysis on Noise Reduction of Engine Exhaust Manifold Cover and Its structural Improvement

The obtained result shows: the noise reduction of sound barrier for high frequency noise is better than the one for low frequency noise;

Noise reduction of hyperspectral imagery using hybrid spatial-spectral derivative-domain wavelet shrinkage

Summarization in Performances of Noise Reduction and Drainable Pavement for Environmental Protection

Using of CFRN in noise reduction for a reciprocating refrigerator compressor

Industry: Muffler noise reduction equipment; Industrial noise control equipment;

Study of noise reduction in coupled chaotic measurement circuits

Structure Noise-Reduction of Ultrasonic Signals Using Artificial Neural-Network Adaptive Filtering

Industry: Diesel generator; Other muffler noise reduction equipment; Low-voltage switchgear;

Industry: Muffler noise reduction equipment; WEEE; Sewage Treatment Equipment; Air purifier;

Experimental Application of Gapless Gear Pairs to Noise Reduction of an Automobile Engine

Simulation and experiment on the characteristics of exhaust cooling and noise reduction equipment for marine diesel engine

Beijing Europe and the United States AGB business center hall noise reduction project

Time Lag Feedback Chaos Synchronization and Its Advantage for Noise Reduction

Double wall construction of the sliding door: noise reduction, energy saving and heat protection;

Noise Reduction Through Generated Engagement Relief Modification

Discussing and Comparing Lee Filter and Morphological Filtering Algorithm Using in Speckle Noise Reduction

Design of A Real - time Noise Reduction of Highly Corrupted Images Based on FPGA

The Couple of Chaotic Measurement Systems and Its Effect of Noise-reduction

Nonlinear Noise Reduction Method by Local Projection with Adaptive Neighborhood Selection

Test Method for Laboratory Measurement of the Noise Reduction of Sound-Isolating Enclosures

Design Technology and Effect Analysis of Vibration and Noise Reduction on New-Type Navigation Administration Boats

Determination of Neighborhood Size Parameter of Local Projective Algorithm for Noise Reduction

Homomorphic transform based BSS algorithm for multiplicative noise reduction

Industry: Other muffler noise reduction equipment; Other air purification devices;

Experimental Research and Application of Skeleton Dense-Graded Noise Reduction Pavement

Hearing protectors - Safety requirements and testing - Active noise reduction ear-muffs

A Study of the Noise Reduction Method for Chaotic Signals

Adaptive noise reduction of InSAR images based on a complex-valued MRF model and its application to phase unwrapping problem

Cabin Noise Reduction Design and Experimental Research for Military Turboprop Aircraft

Structure: Wood frame construction with maximum thermal insulation and noise reduction

If further noise reduction is required, the following on-site measures should be considered

A Comparative Study of Noise Reduction Method for Atomic Clock Data

Selection of A Wavelet Noise-reduction Threshold

Engineering Analysis on Air Conditioning Noise Reduction System for Civilian Building

Study on technology of noise reduction and its application in exchange rate data

Scale Correlation Based Low-Light-Level Noise Reduction Algorithm and Hardware Realization

Study of City Noise Reduction with Greenland's plant Community

Metal Rubber's Sound Absorption and Noise Reduction Performance Analysis and Experimental Study

Noise reduction performance of exposed-aggregate cement concrete pavement

The application of wavelet-packet noise reduction for fault diagnose of the hydraulic pump

Edge Detection-based Adaptive Approach for Interferometric SAR Image Noise Reduction

Noise-Reduction Measure for Heavy Caliber and Flow Lifting Telescopic-feed Decompressing Valve

Application of RLS Adaptive Filter and Wavelet Method for Noise Reduction in Acoustic Signal Processing

Application of Anisotropic Diffusion Equation in Digital Image Noise Reduction

Discussion of the Noise Reduction Technology for Railway Passenger Car Floor

Gas Noise and Noise Reduction of Compressor Used in Room Air-conditioner

Industry: PU products; Muffler noise reduction equipment; Scrap foam; Nickel scrap;

A study on nonlinear dynamics noise-reduction method to detect mines lying on the seafloor and anti-reverberation

Study of Noise Reduction for High Voltage Testing System

Application of Expense-benefit Analysis Method on Noise Reduction Measurement

Applied Design Research of Vibration Isolation and Noise Reduction Technology

Modified nonlinear adaptive polynomial filter for ECG signals noise reduction

Research on the Technology of the Wheel-rail Noise Reduction after Train Speed Increase

Noise Reduction of Acoustic Backscatter Signals Using Wavelet Transform

Application of chaotic time series noise reduction in chaos-based digital communication

Study on noise reduction of the intake system of a forklift truck

Research and Test on Noise Reduction of a Refrigerator

Design on vibration damping and noise reduction for a type of crew boat

Noise reduction for interferometric phase images in synthetic aperture sonar

Experimental Study on Identification of Noise Resources and Noise Reduction of SUV Vehicle

On the Character of Noise in the Railroad Freight-Car Classification Yard and Approaches to Noise Reduction

Vibration and Noise Reduction of the Shallow-tunnel Double-stern Ship in Inland River

Vibration Isolation of Grinding Wheel Machine and Noise Reduction for Office Building

Noise Reduction Effect Measurement of Timing Gear of an Auto Engine

Application of Wavelet Transformation in Signal Noise Reduction

Analysis and trend of damping and noise-reduction material for high-speed rail transportation

Research on Control Technology of Automobile Vibration and Noise Reduction

Applications of Noise-Reduction with ICA in Feature Extraction of Rotating Machinery

A Novel Wavelet Noise Reduction Approach Independent of Distribution

Present Situation of Noise Reduction Research of Hermetic Compressor

Noise Reduction of Ship-Radiated Noise with Local Projective Noise Reduction Method

Saving of Transformer Material with Scientific Method for Noise Reduction

Noise reduction and normalization to the recording of the speech

The Application of Mathematical and Statistical Method in Road Noise Reduction

Adaptive echo cancellation and noise reduction algorithm

Brief Analysis on Noise Emitted from Hydraulic System and Noise reduction Measures

The Application of Wavelet Noise Reduction in Vibration Diagnosis on Diesel Engine

Traffic Noise Reduction Properties of Asphalt Rubber Pavement

Noise reduction by coupling chaotic measurement systems

An Experimental Study on Noise Reduction of Small and High Speed Automotive Diesel Engine

The Modal Test Analysis and Vibration and Noise Reduction of Diesel Engine Cylinder Block

Noise-reduction structure analysis of circuit-opening axial piston pump

A New Algorithm for Noise Reduction from Speech Using Threshold-based Wavelet Domain Method

A Fuzzy Comprehensive Judgment on Noise Reduction of Ship and Underwater Vehicle

Experimental Studies on Noise Reduction Produced by Auxiliary Fans at Coal Mines

Study on Noise Reduction Properties and Mechanism of Porous Elastic Road Surface

Application of Active Noise Control Technique in Noise Reduction System of Industrial Exhaust Fan

Test and Analysis about Vibration Damping and Noise Reduction of Canned Coolant Pump

The Research of Adaptive Noise Reduction System Base on Short Time Average Magnitude

Digital speckle correlation method of multi-scale wavelet noise reduction

Beijing Taiyangxingcheng floor Seismic Noise Reduction Project

Assessment on the effect of noise reduction measure in a tape convoluting workshop

Noise Source Identification and Noise Reduction for Diesel Engine

Measures of Noise Reduction and Vibration Damping on Urban Rail Transit Systems

Analysis of the Causes of Noise and Noise Reduction on Ducted Propulsor

Image noise reduction by mathematical morphology

Research on Damping and Noise Reduction Technologies for High Speed Trains

A Review of the Noise Mechanism of Centrifugal Fan and Methods for Noise Reduction

Study of Noise Reduction Test on Hypoid Gears

Sound insulation and noise reduction for buildings - Code of practice

Analysis on Noise Reduction Method for Interferometric SAR Image

Noise Reduction Properties of Polyurethane Rigid Foam

A fuzzy method of comprehensive evaluation for noise reduction of submarines

Research on Noise-Reduction of Gasoline Vehicle Intake and Exhaust System

Noise reduction for chaos signal on wavelet in non-stationary environment

A Modified Filtering Algorithm of Wavelet Phase for Image Noise Reduction

An Experimental Study for Liquid Flow Noise Reduction in Pipe by Expanded-Muffler

Noise Reduction in Ship Radiated Signal with State-Space Projections

Angle Plunger Pump Noise Cause Analysis and Noise Reduction Measures

Dalian Labor Advisory Board Noise Reduction Center project

A Matched-phase Spectral Subtraction Method for Noise Reduction

Operational practices for television use of film soundtracks encoded with noise reduction and matrix surround

A Probe into the Medium Bus Inside Noise and Noise Reduction Technology

Study of Chaotic Measurement Based on Noise Reduction by Multi-Coupling

Nonlinear time series noise reduction method based on phase reconstruction and principal manifold learning

Research on Modal Analysis and Noise Reduction of Currency Count Machine

A Symbolic Dynamics Based Method for Noise Reduction in Chaotic Sequence

On Improving the Effectiveness of the New Noise Reduction Technique Based on Singularity Spectrum

A Review of Noise Reduction Technology of the Impeller Mechanism

Noise Reduction of Ocean Sound Signal by Lowpass and Local Projective Method

Retrofitting of Noise Reduction for Primary Fans and Their Pipe in Power Plant

Nonlinear noise reduction for the observation data of climatology based on the searching average method

Application of Vibration Isolator to Noise Reduction of Loader Cabs

Noise reduction technique of outdoor heavy air compressor