Analysis and simulation of oversampling sigma delta modulator;

Design of Σ-Δ A/D Converter Based on Oversampling Technology;

Application Of Oversampling Technique In the Design of FOG Data Collection;

Research on over-sampling method and improving ADC resolution;

Least squares identification of hammerstein model based on over-sampling scheme;

Enhancement of seismic resolution by over-sampling wavelet transform;

With the method of over sampling and averaging,the resolution and signal noise rate(SNR)can be raised without extra ADC.

By over sampling and averaging methods, the accuracy of 8-bit microprocessor with embedded 12-bit ADC can reach that of 16bit ADC i.

Based on over sampling approach, a new time domain blind identification method for non-minimum phase system was proposed.

Design of oversampled cosine-modulated filter banks satisfying perfect reconstruction;

The basic principle of the key oversampled sigma delta modulator A/D conversion is analyzed in detail.

0 simulation software analyses the the thermal imaging system s performanc improvement by increasing optical system relative aperture,oversample and sub- pixel imaging.

The technique of improved DDS (Direct Digital Synthesis) and over sample modulate are introduced in the scheme,solved some problem in traditional DDS technique.

Then we discuss the implementation of over sample and noise re-shape in real circuit.

The conversion precision of the analog signals and the dynamic range of the AGC are increased by the over sample and digital filter technologies, and the convergence rate of the AGC is speeded up by variable step.