dci nist frame with pink noise

... Design with Low Noise Oscillators Jeremy Everard Copyright © 2001 John Wiley & Sons Ltd ISBNs: 0-471-49793-2 (Hardback); 0-470-84175-3 (Electronic) FUNDAMENTALS OF RF CIRCUIT DESIGN with Low Noise ... by 20dB The theory in this chapter accurately describes the noise performance of this oscillator, within the thermal noise regime, to within ½ to 1dB of the predicted minimum A brief introduction ... Bibliography Low Noise Oscillators 177 179 4.1 Introduction 179 4.2 Oscillator Noise Theories 180 4.3 Equivalent Circuit Model 181 4.4 The Effect of the Load 191 4.5 Optimisation for Minimum Phase Noise...

Ngày tải lên: 08/04/2013, 10:50

... 1-800-366-3891  TrueNet® Data Center Optical Distribution Frame with Plug-and-Play Cassettes 5/07 • 103980AE Data Center Optical Distribution Frame Specifications Position #12 Position #144 Left Side ... cable is shown with a twist This is theDuplex Signals Figure 1: Connectivity Method A for same cable construction shown in Figure 5/07 • 103980AE Data Center Optical Distribution Frame Polarity ... TrueNet® Data Center Optical Distribution Frame with Plug-and-Play Cassettes One of the most common questions regarding MPO deployments is how...

Ngày tải lên: 17/01/2014, 10:20

... random classification noise is as good as for 0-1 loss, their tolerance to annotation noise is worse For example, the perceptron family of algorithms handle random classification noise well (Cohen, ... to theorem 1, for a 10K dataset with 15% hard case rate, a hard case bias of about 1% cannot be ruled out with 95% confidence Theorem suggests that annotation noise as defined here is qualitatively ... vulnerable to noise, as even a little noise could make the sample inseparable In this case the algorithm would cycle indefinitely never meeting termination conditions, wt would obtain values within a...

Ngày tải lên: 30/03/2014, 23:20

... proposed NEF provides a substantial improvement compared with the simulated filters, especially at the high noise densities Impulsive noise removal and detail preservation are best achieved by ... corrupted pixels within the corrupted image, as explained in Sections 2.1 and 2.2 (3) Start the iterative computation process of NEF and perform the following steps for each corrupted pixel within the ... the number of uncorrupted pixels that exist within the current window, W Perform the following steps if the number of the uncorrupted pixels that exist within the current W is else than zero (i)...

Ngày tải lên: 23/06/2014, 01:20

... but its small peak is obscured by 1/ f DNA background noise (The work presented in [15, 16, 17] observes the presence of 1/ f background noise in DNA sequences.) The DFT method for the identification ... can be used to suppress a significant portion of this noise (see Figure 3) However, the relative height of the peak in yT+G (n) associated with the initial coding region is almost unchanged Our ... paper cannot be used to increase the relative height of the peaks in yT+G (n) associated with coding regions without also increasing the energy in the noncoding regions We have attempted to optimize...

Ngày tải lên: 23/06/2014, 01:20

... Select frame member 21 From the Assign menu select Frame and then Sections from the submenu to display the Define Frame Sections dialog box 22 In this dialog box: • Click on W24X55 in the Frame ... button to remove the displayed frame section assignments so that you can see the frame element labels again 24 Select frame members and 25 From the Assign menu select Frame and then Sections from ... button to remove the displayed frame section assignments so that you can see the frame element labels again 28 Select frame members through 29 From the Assign menu select Frame and then Sections from...

Ngày tải lên: 06/07/2014, 09:20

... voltage gain increases with current and is therefore equal to the ratio of load impedance to re Note also that the input impedance increases with current gain and decreases with increasing current ... junction is replaced with a forward biased diode The emitter current is set by the base emitter junction voltage The base collector junction current source is effectively in parallel with a reverse ... can be gained by starting with the simplest T model as it most closely resembles the actual device as shown in Figure 1.1 Starting from a basic NPN transistor structure with a narrow base region,...

Ngày tải lên: 24/08/2014, 17:20

... removed while performing a noise reduction process Table PESQ scores with background noise reduction Algorithm Input STP STP and LTP LTP with Eq (5) LTP with Eq (13) LTP with Eq (14) Female 2.57 ... 7.67 5.07 9.26 LTP with Eq (14) Em,l {(s(m, l) − y(m, l))2 } Without OM-LSA Algorithm LTP with Eq (5) where Em,l, Em, and El define the mean of whole samples, a frame, and all frames, respectively ... PESQ scores without background noise reduction Algorithm Input STP 5000 STP and LTP LTP with Eq (5) −5000 1.216 1.218 1.22 1.222 1.224 1.226 1.228 1.23 1.232 1.234 LTP with Eq (13) LTP with Eq (14)...

Ngày tải lên: 20/06/2014, 21:20

... with the noise level That is, the spurious spikes in the sequence basically stems from the noise signal, rather than from the speech signal 4.1 Basic idea Since the spikes introduced by the noise ... 150 250 Frame 350 Figure The intrinsic mode functions extracted from the log-energy sequence of the utterance MKG_677884ZA, which is corrupted by the subway noise with the signal-to -noise ratio ... evaluation of noise- robust frontends [14] Eight types of additive noises are artificially added to clean speech data with SNR levels ranging from 20 to -5 dB The data may be further convolved with two...

Ngày tải lên: 20/06/2014, 22:20

... the considered time -frame) noise The noise estimation update controller (7) then allows noise estimation once Sk(n) is below the threshold Tj,k for all k A second problem with the original SBA ... noise signal consisting of recorded ventilation noise All signals were sampled with 16-kHz sampling frequency Evaluation was performed with different SNRs, which was achieved by varying the noise ... the noise consists of noise recorded in a moving car, in b the noise comes from a computer fan, in c the noise comes from a ventilation system and in d the noise is babble noise from approximately...

Ngày tải lên: 20/06/2014, 22:20

... 0.0041 The noise radar scheme is shown in Figure In Figure 8, in the right red dashed line frame, the coherent method is shown as the conventional way while in the left red dashed line frame the ... reconstruction error is more than that of the sequence with length at SNR = 20 dB Thus, we only need to compute the reconstruction error of the sequence with the length 1-8 After computation and comparing, ... condition estimation accuracy Improved noncoherent reception noise radar scheme In this section, an improved noncoherent reception noise radar scheme is given, and its better range resolution...

Ngày tải lên: 21/06/2014, 03:20

... y and Φs [17–26] The error bound is created based on the noise characteristic such as bounded noise, Gaussian noise, finite variance noise, etc The authors in [17] show that it is possible to ... hence, the noise was the same and the noise went directly to the result Conclusions This article proposed the robust CS reconstruction algorithm for image with the presence of Gaussian noise The ... the y’s components, its total noise is different Consequently, the reconstruction on each yi gives the result having different noise corrupted to each pixel The noise in each pixel can be reduced...

Ngày tải lên: 21/06/2014, 17:20

... successive frames The decrease of PSNR is observed in Figure 14 as the PSNR of a frame distant from an intraframe is less than that close to the intraframe not only with the proposed FMC but also with ... 100 frames are used and the encoding speed is 30 frames per second For experiments, the test sequence is encoded as a Baseline profile stream with the intraframe interval of 10, reference frames ... detect the difference between the current and the previous frames, the previous frame is stored in a frame memory FMC is used to reduce the frame memory space and aggressive techniques are employed...

Ngày tải lên: 21/06/2014, 19:20

... y and Φs [17–26] The error bound is created based on the noise characteristic such as bounded noise, Gaussian noise, finite variance noise, etc The authors in [17] show that it is possible to ... hence, the noise was the same and the noise went directly to the result Conclusions This article proposed the robust CS reconstruction algorithm for image with the presence of Gaussian noise The ... the y’s components, its total noise is different Consequently, the reconstruction on each yi gives the result having different noise corrupted to each pixel The noise in each pixel can be reduced...

Ngày tải lên: 21/06/2014, 19:20

... Rxx = R y y − Rvv (5) with Rvv = E{vvH } The noise correlation matrix Rvv can be (re-)estimated during noise- only periods and R y y can be (re-)estimated during speech-and -noise periods, requiring ... interfering with speaker C All speech signals are sentences from the HINT (Hearing in Noise Test) database [22] The upper left loudspeaker produces multi-talker babble noise (Auditec) with a power ... reference node In addition to the localized noise sources, all microphone signals have an uncorrelated noise component which consist of white noise with power that is 10% of the power of the desired...

Ngày tải lên: 21/06/2014, 20:20

... target signal, signal (b ) predominantly noise The adaptive finite impulse response filter W with N coefficients w0 to wN −1 then further reduces the remaining noise in signal (b) to form the output ... control algorithm in a simulated situation using a white noise source in an anechoic environment While noise suppression exceeds 40 dB after second without leakage control, in this example it is limited ... 0.6 0.8 1.2 Time (s) 1.4 1.6 1.8 Without leakage control With leakage control Figure 8: Effect of leakage control in a simulated anechoic environment The maximum noise reduction is limited to approximately...

Ngày tải lên: 21/06/2014, 22:20

... 10 Noise reduction (dB) −10 −20 −30 −40 −50 −60 −70 1000 2000 3000 Frequency (Hz) Reverberant room: Noise ipsilateral Noise back Noise contralateral 4000 5000 Anechoic room: Noise ipsilateral Noise ... et al 4.12 m Head with Noise contralateral microphones Target signal source Noise back Noise ipsilateral SNR improvement (dB) 2.92 m 2.83 m Reverberant room 10 Fixed 50 ms Noise source: Ipsilateral ... Target signal 10 Sound proof chamber Noise ipsilateral Cochlear implant user with Tempo+ speech processor Kemar with BTE unit SRT (dB) Noise contralateral −5 Noise back Real-time prototype beamformer...

Ngày tải lên: 22/06/2014, 01:20

... function In practice, the true noise variance is unknown Thus, the true noise variance is replaced by a so-called presumed noise variance Firstly, the presumed noise variance is initialized to ... hk,i and the noise component nk,i , that is, ˇ hk,i = hk,i + nk,i , (1) where the noise term nk,i and the channel coefficient hk,i are statistically independent The variance of the noise component ... to be a possible maximum value of the true noise variance.1 Then, the presumed noise variance will be gradually reduced till it approaches the true noise variance This concept will be described...

Ngày tải lên: 22/06/2014, 22:20

... redundancy of the frame The equations above hold for infinite-dimensional frames, with an additional constraint that ensures the sum converges for all x with finite length An analysis frame is referred ... generalize first-order noise shaping to general frame expansions NOISE SHAPING ON FRAMES In this section we propose two generalizations of the discussion of Section 2.2 to arbitrary finite -frame representations ... representations of first-order noise shaping quantizers on a frame with five frame vectors Figures 2(a) and 2(b) demonstrate two sequential quantizers ordering the frame vectors in their natural...

Ngày tải lên: 22/06/2014, 23:20

... the corresponding noise covariance matrices are obtained The BP algorithm is used to estimate the channel vector in the presence of a correlated noise with the so-obtained noise covariance matrices ... correlated noise with the so-obtained noise covariance matrices Our analytical results in Section 4.2 are validated by observing that the worst and the best MSE performances are obtained when the noise ... of the noise covariance matrix are fixed, the noise covariance matrix eigenvectors corresponding to the extremal values of the MSEs have been obtained Over all noise covariance matrices with identical...

Ngày tải lên: 22/06/2014, 23:20