dci nist frame with pink noise 96 khz
Fundamentals of RF Circuit Design With Low Noise Oscillators
Ngày tải lên :
08/04/2013, 10:50
... 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 ... 192 4.5.4 Effect of Source Impedance on Noise Factor 194 4.6 Noise Equation Summary 195 4.7 Oscillator Designs 196 4.7.1 Inductor Capacitor Oscillators 196 4.7.2 SAW Oscillators 197 4.7.3 Transmission ... 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...
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Tài liệu Data Center Optical Distribution Frame with Plug-and-Play Cassettes docx
Ngày tải lên :
17/01/2014, 10:20
... 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...
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Báo cáo khoa học: "Learning with Annotation Noise" docx
Ngày tải lên :
30/03/2014, 23:20
... 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 ... algorithm is a refinement of the perceptron algorithm (Rosenblatt, 1962 ; Minsky and Papert, 1969 ) Perceptron is a dynamic algorithm; starting with an initial hyperplane w0 , it passes repeatedly through...
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Báo cáo hóa học: " Impulsive Noise Suppression from Images with the Noise Exclusive Filter" docx
Ngày tải lên :
23/06/2014, 01:20
... 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 ... Impulsive Noise Exclusive Filter 2439 Table 2: Restoration results in MSE for the Mandrill image Noise density Noisy Mandrill NEF (proposed) MMEM PSM IMF IRF SMF AMF SDR MSM TSM 5% 886 .96 0.84 ... impulse noise from highly corrupted images,” IEEE Trans on Image Processing, vol 5, no 6, pp 1012–1025, 1 996 [9] T Chen and H R Wu, “Space variant median filters for the restoration of impulse noise...
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Báo cáo hóa học: " A Digital Signal Processing Method for Gene Prediction with Improved Noise Suppression" ppt
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...
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Problem G - Frame With Support Displacement ppsx
Ngày tải lên :
06/07/2014, 09:20
... 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...
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fundamentals of rf circuit design with low noise oscillators
Ngày tải lên :
24/08/2014, 17:20
... 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,...
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Báo cáo Y học: NMR structure of the HIV-1 regulatory protein Vpr in H2O/trifluoroethanol Comparison with the Vpr N-terminal (1–51) and C-terminal (52–96) domains pot
Ngày tải lên :
31/03/2014, 23:20
... the (1 96) Vpr structure (in blue) with the (1–51)Vpr (in pink) and (52 96) Vpr (in green) domain structures The (17–46) domain backbone of the N-terminal (1–51)Vpr (pink) is superimposed with the ... intact protein ˚ (1 96) Vpr (blue) (rmsd of 2.6 A) The (54–78) domain backbone of the C-terminal (52 96) Vpr (green) is superimposed with the (54–78) region ˚ backbone of the (1 96) Vpr protein (blue) ... (1 96) Vpr in water solution (100% H2O) (solid line) and with 30% TFE (dotted line) at pH 3.4 (A) and pH 6.0 (B) The two maxima at 208 nm and 222 nm indicate that the protein is structured with...
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Báo cáo hóa học: " Autologous tumor-derived heat-shock protein peptide complex-96 (HSPPC-96) in patients with metastatic melanoma" potx
Ngày tải lên :
18/06/2014, 16:20
... However, gp96 is non-polymorphic; thus, gp96-derived vaccines could potentially have broader applicability than HLArestricted peptide vaccines Immunizing mice of the H2b haplotype with HSPPC -96 from ... at each of three dose levels of HSPPC -96 (2.5, 25, or 100 μg) Treatment was administered weekly for consecutive weeks Patients could be retreated with HSPPC -96 from a second harvested tumor Immunological ... high-dose IL2 treatment He presented with a huge burden of axillary disease with peripheral neuropathy years later and underwent amputation He was treated with HSPPC -96 derived from the axillary disease...
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Báo cáo toán học: " Transient noise reduction in speech signal with a modified long-term predictor" ppt
Ngày tải lên :
20/06/2014, 21:20
... 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 ... frequency of the speech is kHz Since the transient noise is recorded in real environment, additive background noise such as fan noise is also included in the recoded noise signal In other words, ... 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...
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Báo cáo hóa học: " Noise-robust speech feature processing with empirical mode decomposition" pptx
Ngày tải lên :
20/06/2014, 22:20
... 99.5 98.5 98.7 98.8 98.3 98.5 98.5 98.7 98.5 98.5 98.7 98.6 20 dB 96. 0 97.1 96. 7 95.6 96. 4 97.1 96. 7 96. 5 96. 1 96. 6 96. 2 96. 8 96. 5 15 dB 93.8 94.0 93.7 91.9 93.4 93.9 93.7 94.1 92.9 93.7 92.7 ... 99.5 98.5 98.7 98.8 98.3 98.5 98.5 98.7 98.5 98.5 98.7 98.6 20 dB 96. 0 97.1 96. 7 95.6 96. 4 97.1 96. 7 96. 5 96. 1 96. 6 96. 2 96. 8 96. 5 15 dB 93.8 94.0 93.7 91.9 93.4 93.9 93.7 94.1 92.9 93.7 92.7 ... Sta Avg Sub Str Avg Clean 20 dB 98.8 95.7 98.9 96. 9 99.1 96. 7 99.2 95.2 99.0 96. 1 98.8 95.8 98.9 96. 6 99.1 96. 9 99.2 97.1 99.0 96. 6 98.7 95.4 98.8 96. 0 98.8 95.7 15 dB 90.1 91.6 89.7 88.8 90.1...
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Báo cáo hóa học: "An improved adaptive gain equalizer for noise reduction with low speech distortion" pptx
Ngày tải lên :
20/06/2014, 22:20
... 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 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 ... 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...
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Báo cáo hóa học: " Chaotic signal reconstruction with application to noise radar system" pptx
Ngày tải lên :
21/06/2014, 03:20
... 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 ... -5 -10 dB -5 -25 -25 -25 -30 -30 -30 -35 -35 -40 A 940 960 980 1000 n 1020 1040 1060 -40 B -35 940 960 980 1000 n 1020 1040 1060 -40 940 C 960 980 1000 n 1020 1040 1060 Figure 10 Correlation sum ... -10 dB -5 -20 -25 -25 -25 -30 -30 -30 -35 -35 -40 A 940 960 980 1000 n 1020 1040 1060 -40 B -35 940 960 980 1000 n 1020 1040 1060 -40 C 940 960 980 1000 n 1020 1040 1060 Figure 11 Correlation sum...
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báo cáo hóa học:" Robust reconstruction algorithm for compressed sensing in Gaussian noise environment using orthogonal matching pursuit with partially known support and random subsampling" pdf
Ngày tải lên :
21/06/2014, 17:20
... 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...
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Báo cáo hóa học: "Research Article A New Frame Memory Compression Algorithm with DPCM and VLC in a 4×4 Block" pptx
Ngày tải lên :
21/06/2014, 19:20
... 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 ... ) × FrameRate 1600 247.3 800 400 400 332.5 1200 Figure 17 shows the required memory bandwidth that depends on the frame size and search range The frame rate is 30 frames per second and all frames...
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Báo cáo hóa học: "Robust reconstruction algorithm for compressed sensing in Gaussian noise environment using orthogonal matching pursuit with partially known support and random subsampling" doc
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...
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báo cáo hóa học:" Research Article Robust Distributed Noise Reduction in Hearing Aids with External Acoustic Sensor Nodes" ppt
Ngày tải lên :
21/06/2014, 20:20
... 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...
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Báo cáo hóa học: " Research Article A Two-Microphone Noise Reduction System for Cochlear Implant Users with Nearby Microphones—Part I: Signal Processing Algorithm Design and Development" pot
Ngày tải lên :
21/06/2014, 22:20
... 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...
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Báo cáo hóa học: "Research Article A Two-Microphone Noise Reduction System for Cochlear Implant Users with Nearby " ppt
Ngày tải lên :
22/06/2014, 01:20
... 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...
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Báo cáo hóa học: " Research Article Channel Impulse Response Length and Noise Variance Estimation for OFDM Systems with Adaptive Guard Interval" docx
Ngày tải lên :
22/06/2014, 22:20
... 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...
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