photo

Yihan Ma


Last seen: 거의 3년 전 2019년부터 활동

Followers: 0   Following: 0

통계

MATLAB Answers

9 질문
1 답변

순위
84,792
of 300,829

평판
0

참여
9 질문
1 답변

답변 채택
55.56%

획득한 표
0

순위
 of 21,088

평판
N/A

평균 평점
0.00

참여
0 파일

다운로드 수
0

ALL TIME 다운로드 수
0

순위

of 171,210

참여
0 문제
0 답안

점수
0

배지 수
0

참여
0 게시물

참여
0 공개 채널

평균 평점

참여
0 하이라이트

평균 좋아요 수

  • First Review
  • Thankful Level 3

배지 보기

Feeds

보기 기준

질문


How to extract boundary of binary image in a fixed sequence ?
If I have a binary image like this, how to extract boundary in a certain order. For instance, I can extract boundary from left t...

대략 6년 전 | 답변 수: 0 | 0

0

답변

질문


How to change time interval value when using instfreq function in Matlab ?
When I want to use instfreq function to acquire average frequency versus time, eg. [frequency, time]=instfreq(signal,fs); h...

6년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to extract curve data from such a JPEG image?
When I use a machine to record the ECG data, it can only save as .jpg format, just like the figure I show in the below. But I w...

6년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to using Linear Discriminant Analysis for classify training and testing dataset?
I have a little confused about using Linear Discriminant Analysis (LDA) algorithm for classification after reading some articles...

6년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to run Augsburg Biosignal Toolbox of ECG signal processing?
When I run Augsburg Biosignal Toolbox to extract ECG signal, it stopped before processing the data, but EMG signal processing is...

6년 초과 전 | 답변 수: 2 | 0

2

답변

질문


How to get the spectral coherence function in this formula at MATLAB?
The figure in below is the formula to calculate the spectral coherence function (3), I could use other guys code to calculate...

6년 초과 전 | 답변 수: 0 | 0

0

답변

질문


How to calculate the skewness and kurtosis from MATLAB gaussian mixture model function---fitgmdist ?
If I have a 1 dimension sequence, I could use the fitgmdist function to extract the means and sigmas of several distribution fro...

6년 초과 전 | 답변 수: 1 | 0

1

답변

질문


Why the result of GMM(Gaussian mixture model) is not the same for twice calculation?
When I try to use GMM to fitting a 1000 by 1 array, the result of GMM is totally different for twice simluation. When I try t...

거의 7년 전 | 답변 수: 1 | 0

1

답변

답변 있음
How to draw this 2 dimension figure (antenna feature) in Matlab?
Hello,ANKUR KUMAR Thanks for your reply, the attachment is the database, one is .txt format, one is .mat format. I don't ha...

거의 7년 전 | 0

질문


How to draw this 2 dimension figure (antenna feature) in Matlab?
In this paper “RF-DNA” Fingerprinting for Antenna Classification, Figure 2 is a 2-Dimension figure, but I am confused by this fi...

거의 7년 전 | 답변 수: 2 | 0

2

답변