Search results

The double-level optimal search algorithm It is the double-level optimal search method [5] that each group is divided into non-overlapped D groups after pre-sent data were divided into V groups and each group has V/D weighted coefficients that is +1or -1.
(4) The method is a kind of PTS algorithm [7], therefore redundancy information need to be introduced, if the redundant information is wrong, the entire group of data in the demodulation will be wrong and may increase the systematic error rate.
Research on Modified PTS Algorithm for PAPR Reduction in OFDM [J].
Multi-carrier PAP reduction method using sub-optimal PTS with threshold [J].
PAPR reduction of OFDM signal by using PTS with low computational complexity [J].

X-ray diffraction data indicate that the compound is monoclinic, P21 / c space group.
The cyclic voltammograms indicate that the compound decreases the rate of oxygen reduction reaction (ORR) and induces the ORR more difficult in aqueous solutions.
Crystal data and structure refinement for the compound are shown in Table 1.
Empirical formula C12 H16 Co N2 O8 Formula weight 374.9 Temperature [K] 293(2) Wavelength [Å] 0.71073 A space group P2(1)/c a [Å] 9.783(2) b [Å] 5.1290(10) c [Å] 17.446(5) α [°] 90 β [°] 123.71(2) γ [°] 90 V[Å 3] 728.2(3) Z 1 Dc [g cm -3] 1.56 µ (Mo Kα) [mm -1] 1.711 F(000) 1.224 θ Range [°] 4.17-27.47 Reflections collected 6738 Independent reflections 1677 [R(int) = 0.0138] Data / restraints / parameters 1677 / 0 / 122 Goodness-of-fit on F2 1.094 Final R1, wR2 [I>2σ(I)] R1 = 0.0222, wR2 = 0.0614 R (all data) R1 = 0.0227, wR2 = 0.0619 Largest diff. peak and hole (e.
And except Fig.5B, the peak currents for oxygen reduction obtained on modified electrodes for 60 min are smaller than those obtained on modified electrodes for 30 min.

The conclusion drawn in the paper will provide some guidance for acoustic reduction by shaft isolation design.
Relation between the power injected from the shaft through the junctions and that radiated from the hull help to understand the mechanism of power transmission and transform and provide some guidance for acoustic reduction.
However, the simple reduction of vibration cannot always reduce the radiated acoustic power [5].
Fig. 1 The cylindrical model used for analysis Table 1 Data of the cylindrical model Parameter Value Length of the pressure hull 45 m Radius of the pressure hull 3.5 m Thickness of the pressure hull 0.028 m Stiffener dimension 0.224 m×0.014 m Stiffener spacing 0.5 m Bearing mass 200 Kg Shaft cross-sect radius Annular section, R1 0.160 m, R2 0.06m Shaft length 8.3 m For analysis, the cylinder is divided into two parts.
Means such as isolation at the back bearing junction of foundation and the hull will be useful for the acoustic radiation reduction.

The calculation in the cluster approach describes the experimental data better than that in the frameworks of LDA and LDA+U model and modern crystal-field theory.
In the present paper we report ab initio calculations of the NMR parameters (υQ, η, Hc) and comparison of our result with experimental data.
The analysis of experimental and our theoretical data shown that the quadrupole frequency υQ cluster calculation results for LaTiO3 are in a good agreement with experimental data [6, 19] while computed value of the asymmetry parameter η is larger than experimental one.
The addition of diffuse orbitals to Ti wave functions leads to increase of Hc up to 80 kOe for both compounds that agrees with experimental data (see table 1).
The NMR parameters calculation in YTiO3 is not possible to compare with the experimental data.

In the AIS data, ship dynamic information has faster update frequency, sailing ship normal (2-12 seconds) broadcasts one ship dynamic message (including longitude, latitude, speed, heading, etc.)[1], therefore, vessel trajectory data is the majority in the AIS data.
However in fact, there are large numbers of redundant vessel trajectory data.
There are redundant, so we can take advantage of few trajectory data to replace a large number of AIS data on the whole voyage.
The advantages of angle tolerance algorithm are suitable for flat curve data compression.
The original data are total 6448 trajectory points.

Structural distress due to loss of bond or reduction of the cross-sectional area can be caused with time.
It is responsible for the loss of strength and serviceability of RC bridges over time because of the reduction in concrete and steel cross-sectional area, and the loss of bond between corroded steel and concrete.
Structural distress due to either loss of bond along the steel/concrete interface resulting from splitting of the concrete cover, or reduction of the cross-sectional area of the reinforcing bars can be caused over time.
Pitting Corrosion and Structural Reliability of Corroding RC Structures: Experimental Data and Probabilistic Analysis.

One area where research has yet to make a real breakthrough is in the use of modal test data.
However, there are problems in obtaining good vibration data for large beams supported on "hard" supports, such as the round steel bearings used in simple load tests.
When this measure is applied to the data collected from this exercise (Fig 4) it can again be seen that there is a slight, but again discernible, trend in the data.
Although the increase in separation is larger than the frequency shift, the amount of scatter also increased and so it is unlikely that these data will be any more sensitive or useful than the frequency data.
Acknowledgements Data for the work presented in this paper were collected with the help of Johari Yusop and Zhongsheng Wang.

The data from experimental and calculation were obtained and investigated.
SAC Diagram and Testing Apparatus Noise Reduction Coefficient.
The single-number rating, noise reduction coefficient, compares the sound absorber ability with different materials.
The noise reduction coefficient was rounded off to the nearest 0.05 after calculating.
Effect of Alkali Treatment on Sound Absorption Coefficient (SAC) Noise Reduction Coefficient (NRC).

Considerations for the selection of suitable cooling method and reduction of liquid nitrogen consumption have been discussed.
· deep cryogenically treated steel, when subjected to tempering, undergoes a reduction in compressive residual stress.
Direct and indirect cooling methods and practical considerations for reduction of liquid nitrogen consumption have been discussed.
Development of the Programmable Cryogenic System The programmable cryogenic processor fulfills two main objectives, which are not possible with manual operations: (i) it allows the use of pre-defined temperature protocols (defined for the type of metal being treated) and precise control of the metal sample temperature during the treatment process, and (ii) it provides automatic data logging and post processing of the test data.
Considerations presented for the selection of suitable cooling method and reduction of liquid nitrogen consumption can enhance the performance of the processor.

In this context, analytic quantification of strength and deflection characteristics of structural components with web openings must be developed through research data collected through controlled laboratory testings.
A reduction factor 1α of 35% was found to be an effective tuning parameter for the deflection prediction as seen in Fig.6 to Fig.10.
A reduction factor 1β of 25% was found to be an effective tuning parameter for the deflection prediction as seen in Fig.6 to Fig.10.
A reduction factor, 1γ of 15% was found to be an effective tuning parameter for the deflection prediction as seen in Fig. 6 to Fig. 10.
Thanks are extended to Hume Concrete Product Research Centre (HCPRC) for several useful discussions and generously provided large collection of prestressed beam tests data.