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Imtiaz nabi


Global Navigation Satellite Systems

Last seen: 6 months 前 |  自 2021 起处于活动状态

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Global Navigation Satellite System (GNSS) researcher, signals, and receiver scientist.

Programming Languages:
MATLAB
Spoken Languages:
English
Professional Interests:
Linear Algebra, Signal Processing

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提问


How to co-locate data from various profiles using MATLAB?
Hello, so I have been studying some research papers on GNSS Radio Occultation, specifically the bending angle anomaly detection ...

11 months 前 | 0 个回答 | 0

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提问


Getting incorrect plots for cosmic-2 bending profiles
Hey there, I am trying to reproduce results of a paper (see image below) (https://www.mdpi.com/2073-4433/14/1/121). I am trying ...

12 months 前 | 0 个回答 | 0

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提问


How to Subset Data from Multiple NetCDF Files based on the desired Lat Long
Hello, I am working on the COSMIC-2 RO dataset that contains nearly 5k profiles for each day for 6 satellites. My goal is to fin...

12 months 前 | 0 个回答 | 0

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提问


Binary phase shift keying in MATLAB questions and confusion
Hi there, I have been studying GNSS signals and trying to practice it in MATLAB to understand the core concepts. GPS use BPS...

1 year 前 | 1 个回答 | 0

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提问


How to convert a recorded signal in .bin file in int16 format to int8 without losing data?
Hello everyone, I have a recorded signal from GPS in .bin file which is stored in "int16" format. I want to convert the data i...

1 year 前 | 1 个回答 | 1

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提问


How to apply distance formula on n-number of input data sets?
Hi there, I am trying to apply eucledian distance fromula on different data sets but I am confused about the logic. Let me t...

2 years 前 | 1 个回答 | 0

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提问


How to Convert an "int8" baseband IQ signal into "int16" in MATLAB?
Hi there, I hope you will be doing fine. I am a GNSS researcher and a PhD candidate. I am working on GPS L1 C/A baseband signa...

2 years 前 | 0 个回答 | 0

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提问


How to express or write short integers in MATLAB?
Hi there, I am replicating some lines of code from C language in MATLAB evironment. Although I have completed the code but I am ...

2 years 前 | 1 个回答 | 0

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提问


Is GPS L1 baseband signal generation possible in MATLAB?
Is it possible to generate a complete GPS signal in matlab and transmit it through any SDR such as USRP or HackRF one? I have w...

2 years 前 | 1 个回答 | 1

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提问


Is it possible to call specific C functions in matlab?
Hi there, I want to Simulate GPS signal in Matlab and have written a code which seems to be working partially. The problem is ...

2 years 前 | 0 个回答 | 0

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提问


what are the following C datatypes Equivalents in Matlab
Hello, I wanted to understand the equavalent data types of C in matab. for example if we have a "long" in C do we need to use ...

2 years 前 | 1 个回答 | 0

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提问


How to implement the fwrite function as in C language?
Hi there, I want to know if it is possible to implement the fwrite function same as the C language fwrite. To further explain ...

2 years 前 | 1 个回答 | 0

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已回答
Binary file size resets to zero after every iteration
Ok thank you let me try and if it works and I don't have any question then I will accept this answer thank you for now

2 years 前 | 0

提问


Binary file size resets to zero after every iteration
Hi there, I am trying to write a binary file containing Intermediate Frequency data. The code needs to run for 30 iterations a...

2 years 前 | 2 个回答 | 0

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提问


how can we use dynamic memory allocation in matlab?
In other words what would be the closest functions to "calloc", "malloc", "free" etc in matlab?

2 years 前 | 1 个回答 | 0

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提问


Is there any way to display a progress bar in command window while the code is running?
I have a for loop that runs 60 time and inside that there is another for loop which runs 12 times containing another nested for ...

2 years 前 | 2 个回答 | 0

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提问


My matlab is not recognizing HEXA values
Hi I am getting an error whenever I try to use hexa values in matlab. What should I do to get rid of this issue? I am currently ...

2 years 前 | 1 个回答 | 0

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提问


can we write hexadecimal values in matlab too?
Hi there I want to write some hexadecimal values in matlab for example // Add TOW-count message into HOW if (iwrd==1) ...

2 years 前 | 1 个回答 | 0

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提问


can we use bitwise operators in matlab?
Hi there, I want to implement a C code in matlab in which there is a bitwise operator that is shifing bit to the right. My uesti...

2 years 前 | 1 个回答 | 0

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已回答
plots of the following function
Hi, you can use subplot function for plotting different values in the same window another way of doing this is by using the ho...

2 years 前 | 0

提问


How can we write unsigned long value in matlab?
Hi there, I am trying to implement some steps from a C code and there is this "(double)" "(unsigned long)" thing which I really...

2 years 前 | 2 个回答 | 0

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提问


how to convert GPS week and second of the week into UTC?
Hi there, I created a function that converts the gps time to utc time however, it is calculating the values wrong can anyone ple...

3 years 前 | 1 个回答 | 0

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提问


how do you delete a column from a structure?
Hi there I have a structure with 1x12 configuration the structure contains 12 cells and each cell contains further structures ...

3 years 前 | 0 个回答 | 0

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提问


Can I create function that use default input unless a user gives one?
Hi I want to create function that will use current time to calculate the position of satellites. But later on I will need this f...

3 years 前 | 1 个回答 | 0

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提问


Subtraction is not working in while loop
Hi, I have encountered a very odd and annoying issue, I am writing a code that will update the previous time of a system with th...

3 years 前 | 1 个回答 | 0

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提问


How to Store an single row and all columns of a struct in a variable?
Hello, I have a structure which is as follow: SatGlobal.aChanData(all).PRN The above structure contains 12 satellite PRN code...

3 years 前 | 1 个回答 | 0

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提问


what does the "-1" means in conditional statement?
Hi I am trying to understand a code which has some "if" statemets. Now normally we pass true or false to the if else statement...

3 years 前 | 1 个回答 | 0

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提问


Need help with code conversion from C++ to Matlab
Hi, I am creating a function in matlab that will take GPS week number and second of the week as an input and return year, month,...

3 years 前 | 0 个回答 | 0

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提问


how to extract date from a txt file while skipping other data?
Hi there, I am reading GPS/GNSS ephemeris file and have extracted the data from the .nav file but I am confused about extracting...

3 years 前 | 0 个回答 | 0

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提问


How to apply if condition to change values inside a function
Hi, I am writing a code for finding user position from the given satellite ephemeris and pseudoranges I have calcuated satellit...

3 years 前 | 0 个回答 | 0

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