[PDF] Top 20 A Ka Band Radar Frequency Synthesizer Design Based on DDS Technology
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A Ka Band Radar Frequency Synthesizer Design Based on DDS Technology
... The frequency source is the core of modern radar system, in order to meet the need of all-phase reference, the radar signal generator must have the higher performance in wider ...of DDS and ... See full document
6
Design of Carbon Nanotube-Based Broadband Radar Absorber for Ka-Band Frequency Range
... In contrast to our recent work [7], here we consider radar absorbers design based on nonmagnetic materials. In this case, we will investigate the EM properties depending on complex dielectric ... See full document
8
A 65nm CMOS Ka band AGC Design
... CMOS Ka-band AGC based on 65nm CMOS process is presented in this paper, the Chebyshev band-pass filter is used for filtering the input signal, the Gilbert structure with extended bandwidth ... See full document
7
12-Bit High Speed Direct Digital Frequency Synthesizer Based on Pipelining Phase Accumulator Design
... digital frequency synthesizer (DDFS) or direct digital synthesizer (DDS) is a technique to generate frequency output signal referenced to a fixed-frequency precision clock source ... See full document
6
Design and Simulation of 2.4GHz CMOS Frequency Synthesizer with Programmable Frequency Divider
... CMOS technology is used, Power ...Programmable frequency divider in the loop using three or four 4-bit BCD counter stages providing a large number of frequencies from a single reference frequency ... See full document
7
Research and Design of DDS Low Frequency Signal Generator Based on FPGA
... Digital Frequency Synthesizer” academic paper first proposed a new principle of frequency synthesis based on all-digital technology to directly synthesize required waveforms from the ... See full document
12
Design Technique of Phase-Locked Loop Frequency Synthesizer in CMOS Technology: A Review
... proposed frequency tuning scheme, wide-tuning range as well as multi-band operation are achieved without sacrificing their operating ...covering frequency range from ...is based on magnetic ... See full document
5
Chirp Signal Generator Based on Direct Digitalsynthesizer (Dds) for a Radar At 300 Ghz
... in radar for its great range goals and bigger outflow ...goals radar, for example, manufactured opening radar and opposite engineered gap ...Direct Synthesizer) devices. CDDS is able to work ... See full document
7
Measurement of soil electrical conductivity based on direct digital synthesizer (DDS) and digital oscilloscope
... system based on direct digital synthesizer (DDS) and digital oscilloscope was ...the design principal and adopted a six-pin structure of the probe, two center pins to measure the soil EC in ... See full document
7
Rain Attenuation Technology for Ka band SOTM Communication
... Adaptive power control is one of the earliest adaptive techniques to compensate for rain attenuation. Adaptive power control can be divided into uplink power control, downlink power control and uplink and downlink power ... See full document
7
VLSI BASED LOW POWER FRACTIONAL-N PHASE LOCKED LOOP FREQUENCY SYNTHESIZER FOR BLUETOOTH
... communication technology, the proposed Fractional-N phase-locked loop or phase lock loop (PLL) is decided to design using 45 nanometre (nm) CMOS/VLSI technology to achieve the low power consumption ... See full document
7
Analysis and Design of A Waveguide Notch Filter for Ka Band Applications
... certain band of frequencies that are required for specific tasks and applications; hence they become an important block into building such ...the frequency range of 2 GHz to 40 ...a band of microwave ... See full document
8
Comparison of the cloud top heights retrieved from MODIS and AHI satellite data with ground-based Ka-band radar
... ground- based Ka-band radar measurements from 2016 and 2017 in Beijing are compared with CTH data inferred from the Moderate Resolution Imaging Spectroradiometer (MODIS) and the Advanced ... See full document
11
Generation of Radar Waveform based on DDS using FPGA and DAC
... C DAC- The AD9736 [4] , is a high performance, high frequency DAC that provide sample rates of up to 1200 MSPS, permitting multicarrier generation up to their Nyquist frequency. The AD9736 is a 14-bit DAC. ... See full document
8
Abstract: -Radar jamming is the intentional emission of radio frequency signals to interfere with the operation
... the radar spectrum ...the radar and the ...the frequency, timing, amplitude, and pulse characteristics are consistent with the intended jamming ... See full document
5
Automated rain rate estimates using the Ka-band ARM zenith radar (KAZR)
... 118 out of 3098 total rain cases (i.e., 1 min rain profiles) iden- tified in this study. For the selected profiles (2980 cases), the reflectivity changes due to microphysics were accounted for in the rain layer by ... See full document
15
DDS architecture for digital frequency generation
... The fidelity of a signal formed by recalling samples of a sinusoid from a look-up table is affected by both the phase and amplitude quantization of the process. The length and width of the look-up table affect the ... See full document
5
Design and Simulation of a Modified 32-bit ROM-based Direct Digital Frequency Synthesizer on FPGA
... The types of the adders are used in the pipeline structure is the most significant factor in order to achieve maximum operating frequency. In this work, the applied standard size of the adder in pipeline stages is ... See full document
7
Direct Digital Frequency Synthesizer Based On CORDIC Algorithm
... Phase accumulator is basically an adder, which will increment by itself in terms of FCW till an overflow condition is reached. When an overflow is occurred in the accumulator, the phase value will be given to the CORDIC ... See full document
7
A Miniature Real-Time Re-Configurable Radar Waveform Synthesizer for UAV Based Radar
... the radar waveform generators in the market were exclusively designed for specific radar ...the radar waveform would require an engineering re-working of the radar waveform ...arbitrary ... See full document
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