Search or ask a question

When did noise Colorfit ultra launched?

Noise (electronics)

Colors of noise

Noise spectral density

Photon counting

Answers from top 16 papers

PDF

Open Access

More filters

Papers (16)	Insight
Journal Article•DOI Learning time series evolution by unsupervised extraction of correlations. Gustavo Deco, Bernd Schürmann - Show less +1 more 01 Mar 1995-Physical Review E 28 Citations	When noisy data corrupted by colored noise are used, a model is still possible.
Journal Article•DOI Adaptive filtering and maximum entropy spectra with application to changes in atmospheric angular momentum Cécile Penland, Michael Ghil, Klaus M. Weickmann - Show less +2 more 20 Dec 1991-Journal of Geophysical Research 109 Citations	The procedure is very effective when the background noise is white and less so when the background noise is red.
Open access•Journal Article•DOI Low-frequency transmitted intensity noise induced by stimulated Brillouin scattering in optical fibers. Asaf David, Moshe Horowitz - Show less +1 more 06 Jun 2011-Optics Express 30 Citations	Low-frequency intensity noise induced by Brillouin scattering may limit the generation of ultra-low noise signals in optoelectronic oscillators and may limit the transfer of ultra-low noise signals in fibers.
Journal Article•DOI Spin-spray ferrite-plated Co ferrite films with high coercivity for perpendicular magnetic recording media Fuchun Zhang, S. Kantake, Yoshitaka Kitamoto, M. Abe - Show less +3 more 01 Sep 1999-IEEE Transactions on Magnetics	Media noise did not increase with increasing frequency, suggesting that the transition noise was low.
Journal Article•DOI Latest bialkali photocathode with ultra high sensitivity Kimitsugu Nakamura, Hamana Yasumasa, Yoshihiro Ishigami, Matsui Toshikazu - Show less +3 more 01 Nov 2010-Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment 55 Citations	Among photosensitive devices in use today, the photomultiplier tube (PMT) is a versatile device providing extremely high sensitivity, exceptionally low noise and ultra-fast response.
Journal Article•DOI A 0.7/1.1-dB Ultra-Low Noise Dual-Band LNA Based on SISL Platform Zhengmin Ke, Shouxian Mou, Kaixue Ma, Fanyi Meng - Show less +3 more 21 Jun 2018-IEEE Transactions on Microwave Theory and Techniques	With the proposed technique, the dedicated LNA demonstrates the advantages of self-packaging, compact size, ultra-low noise figure of 0.7/1.1 dB, and rather high power gain of 28.4/28.8 dB at 2.45/5.25 GHz, respectively.
Journal Article•DOI Optical-pumping noise in laser-pumped, all-optical microwave frequency references John Kitching, Hugh Robinson, Leo W. Hollberg, Svenja Knappe, Robert Wynands - Show less +4 more 01 Nov 2001-Journal of The Optical Society of America B-optical Physics 58 Citations	When this FM–AM conversion is the dominant noise source, the noise spectrum of the transmitted intensity can be dramatically altered by the optical-pumping process.
Open access•Proceedings Article•DOI Ultra-low noise supercontinuum source for ultra-high resolution optical coherence tomography at 1300 nm Ivan Bravo Gonzalo, Michael Maria, Michael Maria, Rasmus Dybbro Engelsholm, Thomas Feuchter, Lasse Leick, Peter M. Moselund, Adrian Gh. Podoleanu, Ole Bang - Show less +8 more 19 Feb 2018	This preliminary study is a step forward towards development of an ultra-low noise SC source at 1300 nm for ultra-high resolution OCT.
Journal Article•DOI Contrast in Haze Removal: Configurable Contrast Enhancement Model Based on Dark Channel Prior Ping-Juei Liu, Shi-Jinn Horng, Jzau-Sheng Lin, Tianrui Li - Show less +3 more 01 May 2019-IEEE Transactions on Image Processing 36 Citations	This module was shown to outperform existing methods, particularly when noise is taken into account.
Journal Article•DOI Optimizing the Error Diffusion Filter for Blue Noise Halftoning With Multiscale Error Diffusion Yik-Hing Fung, Yuk-Hee Chan - Show less +1 more 01 Jan 2013-IEEE Transactions on Image Processing	When it is used with MED, the resulting output has a nearly ideal blue noise characteristic.
Journal Article•DOI Image contrast enhancement in confocal ultramicroscopy. S. Kalchmair, Nina Jährling, Klaus Becker, Hans-Ulrich Dodt - Show less +3 more 01 Jan 2010-Optics Letters 22 Citations	It was found that confocality minimizes the background noise and considerably improves the signal-to-noise ratio when applied to ultramicroscopy.
Proceedings Article•DOI X-ray color scanner with multiple energy discrimination capability Yasuhiro Tomita, Y. Shirayanagi, Shinjiro Matsui, Toru Aoki, Yoshinori Hatanaka - Show less +4 more 18 Aug 2005-Proceedings of SPIE 23 Citations	When used as a photon counting system, the X-ray color sensor has a very high signal to noise ratio, since it removes electric noise in the low energy spectrum during the analysis process.
Journal Article•DOI Ultra low noise, PC-based measurement system for the characterization of the metallizations of integrated circuits Carmine Ciofi, M. De Marinis, Bruno Neri - Show less +2 more 04 Jun 1996 27 Citations	A purposely designed ultra-low noise preamplifier and the use of an optical link between the PC and the low noise section, has allowed to obtain a total background noise which is some orders of magnitude lower than that of preexistent instrumentation.
Proceedings Article•DOI State estimation using Gaussian process regression for colored noise systems Kyuman Lee, Eric N. Johnson - Show less +1 more 01 Mar 2017	Those existing methods can only work when the characteristics of the colored noise are perfectly known.
Open access•Journal Article•DOI Ultra-low noise microwave generation with a free-running optical frequency comb transfer oscillator. Pierre Brochard, Stéphane Schilt, Thomas Südmeyer - Show less +2 more 01 Oct 2018-Optics Letters	It may also simplify the noise evaluation by enabling the generation of two or more distinct ultra-low noise RF signals from different optical references using a single OFC and their direct comparison to assess their individual noise.
Open access•Journal Article•DOI Differential ultra low noise amplifier for low frequency noise measurements Graziella Scandurra, G. Cannata, Carmine Ciofi - Show less +2 more 20 Jun 2011-AIP Advances 29 Citations	In this paper we propose a simple design of a fully differential input ultra low noise amplifier with noise performances, in term of equivalent input voltage noise, comparable to those of the best single ended input amplifiers for low frequency noise measurements reported in the literature.

My columns

Related Questions

Is Noise Colorfit Ultra is good?9 answers

What is the launch date of noise Colorfit Ultra?9 answers

When did noise Colorfit Pro 2 launch date?8 answers

When did noise Colorfit ultra launch?7 answers

When was noise Colorfit caliber launched?7 answers

When was noise Colorfit ultra launched?17 answers

See what other people are reading

Does constant motion uncertainty in Kalman Filter effect proximity estimation?

What is fastest way to prepare NIR II flouresence lifetime measurements?

The fastest method for preparing NIR-II fluorescence lifetime measurements involves utilizing a novel approach based on analog signals for high-speed measurements of fluorescence lifetime, as presented in the research by Youngjae Won et al.. This method allows for precise lifetime determination in a short time on the order of microseconds, without being limited by the single-photon constraint typical in conventional time-correlated single-photon counting techniques. By acquiring fluorescence signals containing multiple photons in a pulse, this method overcomes issues of photon counting pile-up, enabling measurements at the excitation repetition rate. Additionally, the developed signal processing method effectively extracts accurate lifetime information from analog signals contaminated by slow instrumental response functions, ensuring high measurement accuracy and precision even with inexpensive narrowbandwidth photo-detectors and low-speed electronics.How does Planck CMB convert the dipole in a velocity?

Planck CMB converts the dipole into a velocity by measuring the Doppler and aberration effects induced by our peculiar velocity relative to the CMB rest frame. The motion of the observer causes distortions in the CMB anisotropies at various scales due to aberration and Doppler effects. By independently measuring these effects and removing spurious contributions, Planck provides constraints on the intrinsic CMB dipole, allowing for the estimation of the peculiar velocity of the Solar System. The measured values are consistent with the hypothesis that the CMB dipole is primarily a result of our peculiar velocity. Additionally, the motion of the observation frame with respect to the CMB rest frame leads to statistical anisotropy in higher multipoles, further confirming the connection between the CMB dipole and our local motion.Who is indirect competitors for flight centre?

Indirect competitors for Flight Centre, an Australian travel agency known for its exceptional financial performance, can include entities that are not direct rivals but have the potential to become competitors in the future. While Flight Centre faces fierce rivalry, high threats of entry, and substitutes in the travel industry, it is essential to consider other businesses that may not currently operate in the same sector but could enter the market or offer similar services in the future. Understanding potential entrants and emerging substitutes is crucial for strategic planning and staying ahead in the competitive landscape. By being aware of such entities, Flight Centre can proactively adapt its strategies to maintain its competitive edge.How cmos sensor works?

A CMOS sensor operates by converting light into electrical signals through a pixel structure containing a photodetector, a nonlinear resistance, and a transfer MOS transistor. This sensor can sense various environmental factors like pressure, humidity, and acceleration using a dual quantization capacitance-to-digital converter structure. Additionally, a CMOS-MEMS integrated humidity sensor combines a CMOS ASIC reading-out circuit with a MEMS humidity sensor for stable operation under varying conditions. In a stacked CMOS image sensor, multiple semiconductor chips are interconnected through metal-insulator-metal capacitors, enhancing functionality and connectivity. Furthermore, a method for operating a pixel array in a CMOS image sensor involves generating voltage signals and performing readout operations at specific times to capture and process image data effectively.What are the most important papes on quantum biology in photosynthetic systems?

Some of the most important papers on quantum biology in photosynthetic systems include studies that focus on quantum effects during the initial stages of photosynthesis. These papers discuss the presence of quantum coherent dynamics in pigment-protein complexes responsible for light-harvesting and charge separation, highlighting the role of quantum interactions between electronic and specific vibrational motions in the excited state. They also explore the potential of frequency-filtered and time-resolved photon counting statistics to reveal the quantum coherent nature of single photosynthetic complexes. Additionally, the research emphasizes the significance of understanding energy transport processes near theoretical quantum limits and the exploitation of dissipation through exciton-bath interactions for efficient energy flow in photosynthesis.RNA region helical or STEM RMSD cutoff?

RNA regions can exhibit helical structures, commonly referred to as stem regions, which play a crucial role in RNA secondary structure prediction and alignment. These stem regions are essential for understanding RNA function and can be accurately estimated using specialized algorithms that consider base pairing and connectivity within the RNA sequences. The accuracy of predicting these stem regions is vital for various applications, such as real-time positioning systems that rely on RNA secondary structure alignments for precise positioning with minimal error margins. By incorporating advanced models and algorithms that account for the helical nature of RNA regions, researchers can achieve high accuracy in predicting stem structures, leading to improved understanding of RNA functions and applications in diverse fields.What are the benefits of improving signal to noise ratio (SNR) for listening to speech in noise?

Improving the signal-to-noise ratio (SNR) for listening to speech in noisy environments offers several benefits, particularly for individuals with hearing impairments. Enhanced SNR can significantly reduce listening effort, as evidenced by studies showing that noise reduction (NR) processing in hearing aids affects EEG phase synchrony, indicating a decrease in listening effort in challenging listening conditions. Moreover, the application of a compressive function based on cochlear processing to estimate SNR more accurately reflects the natural auditory system's ability to improve speech perception in nonstationary noise environments. An end-to-end neural network approach designed to improve speech intelligibility in adverse conditions has demonstrated substantial improvements in speech intelligibility metrics, highlighting the potential of advanced signal processing techniques to enhance speech clarity in noisy settings. Furthermore, research indicates that even a just-meaningful difference in SNR, as perceived by listeners, can motivate individuals to seek interventions or upgrades to their hearing assistance devices, underscoring the importance of SNR improvement for user satisfaction. Studies quantifying the change in SNR due to compression and NR processing in hearing aids have found that these changes can predict improvements in speech perception, suggesting that even small enhancements in SNR can lead to noticeable benefits in understanding speech amidst noise. Additionally, leveraging features derived from the auditory-nerve system for SNR estimation in speech enhancement algorithms has shown to improve speech quality and intelligibility, especially in severely distorted speech signals. The significance of SNR is further emphasized in studies with the elderly, where improved SNR levels were directly correlated with better speech perception abilities in noisy environments. Innovative algorithms aiming to enhance SNR in speech signals have demonstrated the potential for significant improvements in speech clarity in the presence of background noise. SNR-aware convolutional neural network models for speech enhancement have outperformed traditional methods, offering improved denoising performance and generalization capability across unseen SNR levels. Lastly, the necessity for effective noise detection and reduction methods in speech signal communication is highlighted by the adverse effects of noise on communication quality and intelligibility, underscoring the critical role of SNR improvement across various applications.What is noise and SNR?

Noise refers to unwanted random fluctuations that can distort or interfere with a signal. Signal-to-noise ratio (SNR) is a crucial metric used to assess the quality of a signal by comparing the strength of the desired signal to the level of background noise. SNR is essential in various fields like system design, channel parameter estimation, and neural activity analysis. It helps in evaluating the effectiveness and reliability of systems by quantifying the clarity of the signal amidst interference. In neural systems, SNR is adapted to account for spiking activity, where it measures the ratio of expected prediction errors, aiding in understanding the fidelity of neural responses. Noise and SNR play a fundamental role in determining the quality and reliability of signals in diverse applications.What is the advantage of larger phase change at resonant frequency of CMUT?

A larger phase change at the resonant frequency of a Capacitive Micromachined Ultrasonic Transducer (CMUT) offers advantages in various applications. This increased phase change can lead to improved sensor resolution, especially in chemical sensing applications. Additionally, in the context of airborne CMUT arrays, maximizing the swing at unbiased drive voltages can enhance the performance of the array elements, allowing for larger swings without membrane collapse. Moreover, utilizing a dual-frequency CMUT design can provide high sensitivity for both pressure detection and relative humidity sensing under different pressure conditions, showcasing the versatility and effectiveness of larger phase changes at resonant frequencies in sensor applications. Ultimately, the advantage of a larger phase change at the resonant frequency of CMUTs lies in enhancing sensor performance and sensitivity across various operational conditions.What are the ANF at pulses ?

ANF (Adaptive Notch Filter) plays a crucial role in various applications, including noise control, laser systems, semiconductor devices, and dielectric loss angle measurement. In the context of noise control, a non-adaptive deterministic ANC technique for pulse signals utilizes spatial audio rendering through Wave Field Synthesis, showing promising noise cancellation results. In laser systems like the National Ignition Facility (NIF), ANF is employed to shape precise pulsed waveforms for target interactions, achieving high contrast ratios and meeting stringent pulse requirements. Additionally, ANF is utilized in Avalanche semiconductor structures with Negative Feedback (ANF) for analog detection of few-photon short light pulses, demonstrating high gain, low noise, fast response, and high quantum efficiency. Furthermore, ANF is applied in dielectric loss angle measurement to filter out harmonics and noise, accurately extracting the fundamental frequency for improved interference suppression.