نتایج جستجو برای: الگوریتم lms
تعداد نتایج: 27868 فیلتر نتایج به سال:
A scoring system for histopathologic and immunohistochemical evaluations of uterine leiomyosarcomas.
Uterine leiomyosarcomas (LMS) are difficult to distinguish from benign leiomyomas without surgery. In this study we performed transcervical needle biopsy on 475 patients, 8 LMS patients and 467 patients with non-sarcomas (non-LMS) in a high-risk group for LMS, and evaluated whether examinations performed with Ki-67 and CD34 immunohistochemical analyses in addition to the standard hematoxylin-eo...
چکیده: در این مقاله به بررسی توپولوژی شبکههای تطبیقی پیچیده مبتنی بر الگوریتم کمترین مربعات خطا (LMS) برای حالت مشارکت نفوذی و مد تطبیق-ترکیب بهمنظور تخمین پارامتر پرداخته میشود. مدلهای شبکه پیچیده استفادهشده شامل شبکههای منظم، تصادفی و جهان کوچک با شرایط وابستگی مکانی و زمانی دیتا میباشد. مشخصات استفادهشده برای پیادهسازی شبکههای پیچیده علاوهبر میزان دقت تخمین شبکه شامل پارامترهای ط...
In a distributed network environment, the diffusion-least mean squares (LMS) algorithm gives faster convergence than the original LMS algorithm. It has also been observed that, the diffusion-LMS generally outperforms other distributed LMS algorithms like spatial LMS and incremental LMS. However, both the original LMS and diffusion-LMS are not applicable in non-linear environments where data may...
This review paper presents the analysis about features of Learning Management System (LMS) and ways to include parental participation into LMS. A list 20 popular LMs given. The main LMS discussed. importance including parents Leaning Systems also
Metastasectomy represents the standard treatment for improving survival in patients with lung metastases (LMs) from bone (BS) or soft-tissue sarcoma (STS). Recently, radiofrequency ablation (RFA) of the LMs has been proved to be a useful option which can promise the similar effect to metastasectomy. The aim of this study was to determine prognostic factors, including tumor volume doubling time ...
Leiomyosarcoma (LMS) is a malignant neoplasm with smooth muscle differentiation. Little is known about its molecular heterogeneity and no targeted therapy currently exists for LMS. We performed expression profiling on 99 cases of LMS with 3'end RNA sequencing (3SEQ) and demonstrated the existence of 3 molecular subtypes in this cohort. We consequently showed that these molecular subtypes are re...
This paper proposes a cascaded RLS-LMS predictor for lossless audio coding. In this proposed predictor, a high-order LMS predictor is employed to model the ample tonal and harmonic components of the audio signal for optimal prediction gain performance. To solve the slow convergence problem of the LMS algorithm with colored inputs, a low-order RLS predictor is cascaded prior to the LMS predictor...
The sparsity-aware zero attractor least mean square (ZA-LMS) algorithm manifests much lower misadjustment in strongly sparse environment than its sparsity-agnostic counterpart, the least mean square (LMS), but is shown to perform worse than the LMS when sparsity of the impulse response decreases. The reweighted variant of the ZA-LMS, namely RZALMS shows robustness against this variation in spar...
Background and objectives: Uterine smooth muscle tumors are the most common human neoplasms. They are divided clinically as benign and malignant but there is another group of lesions which is difficult to place in these two categories, so-called (STUMP) and differentiation of these tumors on the basis of H&E staining is impossible. The aim of this study was to find a set of distinguishing objec...
This paper introduces a new variable step-size LMS (NVSS LMS) algorithm in an adaptive channel equalizer. This variant of VSS LMS algorithm is based on the weighting coefficinets bias/varance trade-off. We will show here that the adaptive equalizer with the NVSS LMS algorithm has favorable performance. Simulation results are provided to support the proposed implementation of the NVSS LMS.
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