The phrase "a lot of estimation" is correct and usable in written English.
It can be used when discussing the quantity or frequency of estimations in a particular context, such as project planning or budgeting.
Example: "In our project, we have a lot of estimation to do before we can finalize the budget."
Alternatives: "a significant amount of estimation" or "many estimations".
A lot of estimations have to be done which use fundamentally based on previous experience and application of various mathematical and empirical equations.
To arrive at this number Nyffler and Birkhofer did a lot of sophisticated estimation based on existing research into A) how many spiders live in a square meter of land for all the main habitat types on Earth, and B) the average amount of food consumed by spiders of different sizes in a given year.
A lot of CFO estimation algorithms had been studied for compensation of CFO in OFDM system.
For this purpose, there are a lot of frequency estimation algorithms [36 41].
I do a lot of assessment and estimation.
However, the practicality of the proposed approach may be reduced if some practical challenges faced in a large scale network (such as many antennas, a lot of users, channel estimation error, and block diagonalization error) cannot be properly addressed.
While most neural-system-based climate expectation tests have been led by meteorologists or climate specialists, there is a lot of debate encompassing the estimation from the earlier information in deciding indicator factors (Saba and Rehman 2012).
There has been a lot of literature on CFO and STO estimation for OFDM, but most of these techniques cannot be directly applied to FBMC/OQAM due to the removal of the cyclic extension and due to the particular structure of the OQAM.
What used to require several measurements, a large degree of estimation, and a lot of geometric calculations, now only requires the abilities to walk and push a button.
