Frequency synthesis

Part 1 book "Passive, active, and digital filters" includes content: General characteristics of filters; approximation; frequency transformations; sensitivity and selectivity; passive immittances and positive real functions; passive cascade synthesis; synthesis of LCM and RC one port networks; two part synthesis by ladder development; design of resistively terminated networks; design of broadband matching networks.... and other contents.

417p dianmotminh03 17-06-2024 1 0   Download

Ebook "Ultrasonic synthesis of functional materials" begins by giving a summary of sonochemistry and explains how a chemical reaction can be induced by the interaction of sound waves and gas bubbles in liquids. The work outlines how primary and secondary radicals combined with the physical effects generated during acoustic cavitation are active in the ultrasonic synthesis of a variety of functional materials.

49p tracanhphuonghoa1007 22-04-2024 2 2   Download

Part 1 of ebook "Principles of musical acoustics" provides readers with contents including: Chapter 1 - Sound, music, and science; Chapter 2 - Vibrations 1; Chapter 3 - Vibrations 2; Chapter 4 - Instrumentation; Chapter 5 - Sound Waves; Chapter 6 - Wave properties; Chapter 7 - Standing waves; Chapter 8 - Standing waves in pipes; Chapter 9 - Fourier analysis and synthesis; Chapter 10 - Sound intensity; Chapter 11 - The auditory system; Chapter 12 - Loudness perception;...

165p dangsovu 20-10-2023 6 4   Download

Ebook "Digital frequency synthesis demystified" includes content: Introduction to frequency synthesis, frequency synthesizer system analysis, measurement techniques, DDS general architecture, phase locked loop synthesizers, accumulators,lookup table and sine ROM compression, digital to analog converters, synthesizers in use and reference generators, original paper and software,... and other contents.

355p haojiubujain07 20-09-2023 5 3   Download

Lecture Introduction to Circuits for ECE - Lesson 31: Passive and Active filters. The main topics covered in this chapter include: connection between frequency & time domain, frequency response and natural response, passive filter synthesis, limitations of passive filters,...

11p linyanjun_2408 23-04-2022 10 1   Download

A robust synthesis of iridium oxide (IrO2) nanoclusters using methanol as a reducing agent via the chemical reduction method is reported in this article. Polyvinylpyrrolidone (PVP) and polyoxyethylene(23) lauryl ether (POLE) were used as stabilizers. The formation of IrO2 nanoclusters was confirmed by the appearance of new absorption peak at 230 nm in UV-vis spectra. XRD and TEM were used to determine the degree of crystallinity and size of nanoclusters, respectively.

17p tudichquannguyet 29-11-2021 6 1   Download

Chapter 23 - The evolution of populations. This chapter presents the following content: The modern evolutionary synthesis integrated Darwinian selection and Mendelian inheritance, a population’s gene pool is defined by its allele frequencies, the Hardy-Weinberg theorem describes a nonevolving population.

97p tradaviahe19 29-03-2021 17 2   Download

Bus Rapid Transit (BRT) is one of the most effective solutions to meet an enormous growth of travel demand in developing countries’ urban areas where urban rail systems are on the plan or under construction but not in reality yet. Based on collection and synthesis of successful and outstanding experience over the world (e.g. in Bogota (Colombia), Guangzhou (China), Ahmedabad (India)), the Bus Rapid Transit Standard (BRTS) was introduced to provide guidelines to the following creation of BRT.

11p kequaidan6 11-07-2020 23 0   Download

This paper presents a hardware module design for the forward Binary Discrete Cosine Transform (BinDCT) and its implementation on a field programmable gate array device. Different architectures of the BinDCT module were explored to ensure the maximum efficiency. The elaboration of these architectures included architectural design, timing and pipeline analysis, hardware description language modeling, design synthesis, and implementation.

14p kequaidan1 16-11-2019 10 0   Download

Nonspecific distribution and uncontrollable release of drugs in conventional drug delivery systems (CDDSs) have led to the development of smart nanocarrier-based drug delivery systems, which are also known as Smart Drug Delivery Systems (SDDSs). SDDSs can deliver drugs to the target sites with reduced dosage frequency and in a spatially controlled manner to mitigate the side effects experienced in CDDSs. Chemotherapy is widely used to treat cancer, which is the second leading cause of death worldwide.

18p trinhthamhodang1 14-11-2019 34 0   Download

The results show that the AuNPs exhibited a single plasmonic resonance, the AuNRs displayed two identical and separated modes of the resonance, and the random Au nano-islands presented a very broad resonance. Specifically, tailoring the anisotropy of the Au nanorods enabled extending their resonant frequencies from the visible to the near infrared region, which is in accordance with the finite different time domain simulations.

11p thuyliebe 08-10-2018 24 0   Download

The overall performance of the systems is often limited by the accuracy of the underlying speech parameterization and reconstruction method. The method proposed in this paper allows accurate MFCC, F0 and tone extraction and high-quality reconstruction of speech signals assuming Mel Log Spectral Approximation filter. Its suitability for high-quality HMM-based speech synthesis is shown through evaluations subjectively.

11p binhminhmuatrenngondoithonggio 09-06-2017 143 16   Download

Chapter 5: Digital audio synthesis. This chapter presents the following content: Some practical multimedia digital audio applications, subtractive synthesis, additive synthesis, FM (Frequency Modulation) synthesis, sample-based synthesis, wavetable synthesis, granular synthesis, physical modelling.

98p estupendo4 18-08-2016 55 4   Download

In this communication, we report the synthesis of chitosan (CS, a biodegradable and biocom- patible natural polymer) [1] nanoparticles as drug carriers by ionic gelation. The method is based on ionic interactions between positively charged groups NH3 + of CS (in dilute CH3COOH solution) and negatively charged of sodium tripolyphos- phate, TPP).

2p uocvong04 24-09-2015 83 3   Download

The increasing awareness of the importance of chirality in the context of biological activity has stimulated a growing demand for efficient methods for industrial synthesis of pure enantiomers including chiral antiinflammatory drugs such as naproxen (Xin et al., 2001) and ibuprofen (Lee et al., 1995; Ducret et al., 1998; Xie et al., 1998; Arroyo et al., 1999; Chen and Tsai, 2000); antihypertensive agents such as angiotensin-converting enzyme (ACE) inhibitors (e.g., captopril, enalapril, ceranopril, zofenapril, and lisinopril); and the calcium channel- blocking drugs such as diltiazem.

109p loixinloi 08-05-2013 53 4   Download

This paper is a progress report on a project in linguistically based automatic speech recognition, The domain of this project is English intonation. The system I will describe analyzes fundamental frequency contours (F0 contours) of speech in terms of the theory of melody laid out in Pierrehumbert (1980). Experiments discussed in Liberman and Pierrehumbert (1983) support the assumptions made about intonational phonetics, and an F0 synthesis program based on a precursor to the present theory is described in Pierrehumbert (1981). ...

6p bungio_1 03-05-2013 33 2   Download

During the years surrounding the new millennium, the field of vibrational optical activity (VOA), comprised principally of vibrational circular dichroism (VCD) and vibrational Raman optical activity (ROA), underwent a transition from a specialized area of research that had been practiced by a handful of pioneers into an important newfield of spectroscopy practiced by an increasing number of scientists worldwide. This transition was made possible by the development of commercial instrumentation and software for the routine measurement and quantum chemical calculation ofVOA.

388p hotmoingay 03-01-2013 53 6   Download

The term ‘microwaves’ is used for those wavelengths measured in centimetres roughly from 1 m. to 0.1 cm or the bands of frequencies between 300 MHz to 300 GHz. Microwaves are most popularly used in point to point communication, TV broadcasting via satellites and in RADAR systems. Besides these, they are also being used in industrial, biomedical, chemical and in scientific research applications. The latest wide acceptance of the microwave application is as “microwave heating” in synthesizing various compounds (organic and inorganic) in research laboratories as well as in industries....

382p nhatkyvodanh 24-07-2012 103 19   Download

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article An Approach for Synthesis of Modulated M-Channel FIR Filter Banks Utilizing the Frequency-Response Masking Technique

13p dauphong20 10-03-2012 37 2   Download

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Time-Frequency Signal Synthesis and Its Application in Multimedia Watermark Detection

14p dauphong20 10-03-2012 40 3   Download