1. Digital Signal Processing & Modulationa. Understanding of wave propagation, attenuation, multi-path fading, interference, and noise mitigationb.
Proficiency in digital signal processing (DSP) techniques: filtering, FFTs, DCTs, compression techniques, filter banks, psychoacoustics models, sample rate conversionc.
Knowledge of digital modulation/demodulation techniques: Orthogonal Frequency Division Multiplexing (OFDM), Down-conversion & Synchronization, Differential Quadrature Phase Shift Keying (DQPSK), Viterbi Decoding (Convolutional Code), Time & Frequency Deinterleavingd.
Experience with amplifiers, mixers, oscillators, filters, and antennas and its types, AGC
2. Analog & Digital Radio Technologiesa. Understanding of analog radio broadcasting technologies like AM, FM, RDS, RBDS, DARCb. Understanding of digital radio broadcasting technologies like DRM, HD Radio, DAB+, DMBAc. Knowledge of audio decoders
3. Hardware & Measurement Toolsa. Proficiency in using spectrum analyzers, oscilloscopes, signal generators, audio analyzers, logic analyzers and UPV analyzer
4. Programming & Software Skillsa. Proficient in C and C++, OOPS concepts and experience in MATLABb. Experience in porting on at least one of DSP processors like HiFi, Hexagonc. Prior experience in optimization techniques and well-versed with fixed point arithmetic
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