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The objective of this paper is to derived difference, regression and predictive estimators for two stage sampling by using double sampling technique when multi-auxiliary information is unavailable. The mean square errors for these estimators have been derived. A numerical study is given for finding the relative comparison.

A method for direct sampling of the exponential moments of canonical phase from the data recorded in balanced homodyne detection is presented. Analytical expressions for the sampling functions are shown which are valid for arbitrary states. A numerical simulation illustrates the applicability of the method and compares it with the direct measurement of phase by means of double homodyning.

Dual-process models of categorization posit dissociable implicit and explicit category learning systems. Evidence in favour of these accounts is typically obtained by examining how categorization responses differ over time, with differing category structures, and by changing task demands. If these two categorization systems are activated concurrently (e.g., COVIS) then both implicit and explici...

We propose a novel representation of the light €eld tailored to improve importance sampling for Monte Carlo rendering. Œe domain of the light €eld i.e., the product space of spatial positions and directions is hierarchically subdivided into subsets on which local models characterize the light transport. Œe data structure is based on double trees, and only approximates the exact light €eld, but ...

The design of a 10.7-MHz 4-order fs/4 bandpass sigma-delta modulator with a double-delay single-opamp resonator plus double-sampling technique is proposed for GSM standard. The circuit is implemented in 0.35μ m double-poly, triple-metal CMOS process. Both behavioral-level and transistor-level simulation results are presented, and the circuit is expected to achieve >80 dynamic range with occupyi...

Acceptance sampling plan is a method to make decision on either accepting or rejecting a specific lot or more generally to inspect the quality of products that can be used by different methods. Along with this, one suitable measure to improve manufacturing processes is to analyze process capability indices. These indices have many applications in production environments. In this paper, a repeti...

‎an  oriented perfect path double cover (oppdc) of a‎ ‎graph $g$ is a collection of directed paths in the symmetric‎ ‎orientation $g_s$ of‎ ‎$g$ such that‎ ‎each arc‎ ‎of $g_s$ lies in exactly one of the paths and each‎ ‎vertex of $g$ appears just once as a beginning and just once as an‎ ‎end of a path‎. ‎maxov{'a} and ne{v{s}}et{v{r}}il (discrete‎ ‎math‎. ‎276 (2004) 287-294) conjectured that ...

OBJECTIVES Cystatin C is emerging as an endogenous marker of glomerular filtration rate. This study sought to assess the usefulness of serum cystatin C as a marker of glomerular filtration rate in comparison with serum creatinine and serum creatinine-based glomerular filtration rate estimations in voluntary kidney donors. MATERIALS AND METHODS Serum cystatin C and serum creatinine were estima...