Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 5 of 5 for “"Pulse compression technique"”.
-
Optimization of coded signals based on wavelet neural network
Pulse compression technique is used in many modern radar signal processing systems to achieve the range accuracy and resolution of a narrow pulse while retaining the detection capability of a long pulse. It is important for improving range resolution for target. Matched filtering of binary phase …
-
Improving ultrasonic imaging using novel coded excitation techniques
… Recently, a novel coded excitation and pulse compression technique, known as Resolution Enhancement Compression (REC), was developed. REC enhances the -6 dB bandwidth of an ultrasonic imaging system. In this dissertation, the limitations of the REC technique were explored and specific …
-
Electronic scan weather radar: scan strategy and signal processing for volume targets
… state transmitters to keep costs down requires pulse compression technique. Wide-band pulse compression filters will partly reduce the system sensitivity performance. A system for sensitivity enhancement (SES) for pulse compression weather radar is developed to mitigate this issue. SES uses a …
-
Měření akustických vlastností stavebních materiálů pomocí pseudonáhodné sekvence
Disertační práce se zabývá výzkumem pulzní komprese akustického signálu z hlediska možnosti použití ve stavebnictví. Na základě studia a rozboru těchto metod bylo navrženo a realizováno automatizované měřicí zařízení pro nedestruktivní testování pseudonáhodnou sekvencí maximální délky a následnou …