100641 پروژه پایتون
دو ماه پیش منتشر شده
تعداد بازدید: 129
کد پروژه: 579020
شرح پروژه
پروژه سیگتال پروسسینگ در نویزهای محیطی
کد پایتون برای موجود است
فقط باید رو داده جدید پیاده سازی بشه
فرصت یک هفته (استاد کد رو داده گفته 4 روز کافیه اما برای اطمینان بیشتر)
توضیحات پلات ها میتواند بصورت لاتکس، PDF باشد
کد نهایی (تغییراتی که در تعاریف برای داده جدید داده میشه مثل اجرا روی ورژن پایتون 3.13 به جای 3.11 که شامل تغییر برخی سینتکسها میشه، زمان یک ماهه به جای چند روز، تعداد 42 مرکز که همان نودهای آرایه هستن به جای 10-12 تا )
چیزی که خواسته شده اینکه سورسهای beamforming انجام بشه
polar plot
& spectogram
حالا فایل رو بفرستم کدهاش هست با راه حل
انجام میشه؟
مدت و قیمت پیشنهادی بفرمایید
متن پروژه رو میفرستم. ببینید کسی تو این زمینه کار کرده اول.
Ocean microseisms as seen from Norway
Motivation: Ocean microseisms are the most important source for most ambient seismic noise applications. Knowledge of them is crucial for understanding and interpreting any results.
Goal: Use seismic data from the NORSAR array in Norway to locate microseism sources.
How to approach: Use the stations with station codes starting with N from the NORSAR station network https://www.fdsn.org/networks/detail/NO/. Download one full year of data from the UIB-NORSAR data centre using obspy.clients.fdsn.Client. Downsample the data to an appropriate sampling rate to decrease computational costs. Beamform (assuming plane waves) the waveforms to detect the dominant source regions in each season for both primary and secondary microseism.
Questions to answer: What source directions do you find to be dominant for ocean microseisms (primary and secondary) for each season? Which directions did you expect to find? Do your results match your expectations? Why? Why not?
A reference to start: Juretzek, C. & Hadziioannou, C., 2016. Where do ocean microseisms come from? A study of Love-to-Rayleigh wave ratios. Journal of Geophysical Research: Solid Earth, 121, 6741–6756. doi:10.1002/2016JB013017
Design an array for local microseisms in Germany
Motivation: Local microseisms are shorter-period microseisms that occur in smaller Seas or lakes. We typically detect local microseism in the period range T=4-10s from the North Sea, and T=2-5s from the Baltic Sea. We now want to deploy a seismic array in Northern Germany that is capable of resolving both source regions simultaneously.
Goal: Design an array placed in Northern Germany that is capable of resolving surface waves at 2-5s period from the Baltic Sea and 4-10s period from the North Sea simultaneously.
How to approach: Think of a strategy to evaluate an array design for the criteria above. For this, consider the resolution limits of seismic arrays (think about aperture, station spacing, number of stations, locations of stations). Assessing the array quality qualitatively is sufficient, but we encourage you to explore a quantitative assessment, too. Test different designs, and decide on the best design.
Questions to answer: What are the approximate backazimuth ranges that cover the Baltic Sea? The North Sea? Which array geometry did you find that is able resolve T=2-5s from the North-East, and T=4-10s from the North-West? How did you find it? Is your array design able to distinguish between Rayleigh wave speeds (approx 3 km/s) and Love wave speeds (4 km/s)? Would it be possible to install your array in the field exactly as designed? Have a look at e.g. Openstreetmap, and overlay your array design. Where would you install your stations in practice?
References to start: Chapter 9 of the New Manual of Seismological Observatory Practice 2 (NMSOP, https://bib.telegrafenberg.de/publizieren/bibliotheksverlag/nmsop), and Chapter 7.1 for considerations about station deployments. Python snippets to compute array responses: https://geophydog.cool/post/array_response_function/
The ideal length of your term paper depends on your topic and how much context and detail, e.g., code, examples etc, is necessary. We appreciate a concise report. You can compile your report, including code, in a single Jupiter notebook. Make sure to hand-in all code and data necessary to run your notebooks. Your report should at least answer all listed questions.
ببینید لینک برای درک مطلب و کمک داده- سوالات رو پاسخ بدم فقط پاس میشه که چت جی پی تی جواب داده اما هر کار نوآورانه بکنم مثلا یه ماشین کد لرنینگ ران کنم (مثال میگم) بگم فلان سیگنال اینجا هم دیده شده- یا اگه نرم افزار خاصی هست (که هست آنلاینه و میشه روی داده norsar انجام داد) بگم این هم نمودار فلان نرم افزاره که کار کارو تایید میکنه
اون وقت نمره 2 یا 1 میگیرم که معدلم پایین نیاد
مهارت ها و تخصص های مورد نیاز
مهلت برای انجام
4روز
وضعیت مناقصه
بسته
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