نتایج جستجو برای: phase detector pd
تعداد نتایج: 706375 فیلتر نتایج به سال:
Purpose. To estimate the US prevalence of Peyronie's disease (PD) from patient-reported data and to identify diagnosis and treatment patterns. Methods. 11,420 US males ≥18 years old completed a brief web-based survey regarding the presence of PD, past treatments, and penile symptoms (Phase 1). Phase 1 respondents with PD diagnosis, history of treatment, or PD-related symptoms then completed a d...
Article history: Received 27 August 2014 Received in revised form 24 March 2015 Accepted 29 March 2015 Available online 3 April 2015
Directly detecting the phase of a baseband signal from the ratio of the in-phase and the quadrature phase component, a delta-sigma phase detector can realize an AGC-free mobile communication receiver. This paper studies the performance of the phase detector applied to digital communication systems. Theoretically explaining phase quantization noise of the detector, we show the performance of a P...
The sensitivity of extended X-ray absorption fine structure spectroscopy (EXAFS) for minute structural changes can be enhanced by combination with the modulated excitation approach and making use of phase sensitive analysis. A modulated EXAFS experiment of a reversible periodic Pd to PdO partial oxidation has been simulated in order to understand the effect of the phase sensitive analysis on th...
In this paper we introduce and describe an optimized phase detector suited to 16-QAM receivers which prevents ambiguous locking and performs relatively rapid acquisition. Based on a new decision scheme, the proposed phase detector outperforms a classical decision directed phase detector over a Gaussian channel. An analytical analysis of the proposed phase detector variance is carried out and va...
Two modified methods for assaying sodium diclofenac were developed by GC and HPLC. Diclofenac was converted into methyl ester derivative by methyl iodide in acetone. The ester was extract and subjected to GLC with flame ionization detector. %5 SE-30/chrom W-HP (80-100 mesh) was used as a column in GC. For reversed phase HPLC, the mobile phase was methanol and water (55-45). The separation was p...
Studies of η meson decays with the WASA detector are a major goal of the experimental program at COSY-Jülich. In 2008 a sample of 10 7 η mesons was collected in pd → 3 He η reaction close to threshold without trigger bias on the decay channels. The status of the analysis of various decay channels is presented. Studies of η meson decays with WASA A. Kupsc Figure 1: Schematic representation of th...
Partial discharge (PD) measurement of an insulation system is widely used as a diagnostic tool for the quality control high voltage apparatuses. In ac, conventional method PD detection well established. However, under square voltages such those generated across power electronic converters, cannot discriminate between PDs and switching transients. this context, paper demonstrates fast-rising by ...
Stoichiometric reactions of Pd(0) nanoparticles with various amounts of white phosphorus (P4) are an efficient route to convert them into the corresponding Pd phosphides Pd(x)P(y). Formation of crystallized palladium phosphide nanoparticles is a two-step process, which allows exploring in detail the phase transitions of the Pd(x)P(y) system, from amorphous Pd-P nanoparticles (formed in a first ...
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