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  • 大小: 342KB
    文件類型: .zip
    金幣: 2
    下載: 0 次
    發布日期: 2021-05-23
  • 語言: Matlab
  • 標簽: matlab??

資源簡介

matlab環境下,三維射線追蹤,包含梯度法射線路徑求取

資源截圖

代碼片段和文件信息

function?[PtraceT]?=?alxray(?xxyyzzshujumnl)
%UNtitleD3?Summary?of?this?function?goes?here
%???Detailed?explanation?goes?here
%生成走時模型


A=shuju;
%?A=zeros(mnl);%設置模型大小,充零
%?for?k=1:1:l
%?????for?i=1:1:m
%?????????for?j=1:1:n
%?????????????A(ijk)=sqrt((i-1)^2+(j-1)^2+(k-1)^2)/2000;%計算解析走時
%?????????end
%?????end
%?end
%?ptrace=zeros(l*53);%最臨近追蹤點
%?Ptrace=zeros(l*53);%實際追蹤點
Ptrace(1:)=[xx?yy?zz];%初始化要追蹤的檢波點的坐標
%%%%%%%%網格點走時貢獻項初始化%%%%%%%%

T=zeros(1l*5);
T0=zeros(l*564);Tx0=zeros(l*564);Ty0=zeros(l*564);Tz0=zeros(l*564);
Tx=zeros(1l*5);Ty=zeros(1l*5);Tz=zeros(1l*5);G=zeros(l*53);G0=zeros(l*53);
buchang=zeros(1l*5);%開辟存放步長的空間
WG0={l*564};WG={l*564};
%?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%射線追蹤%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%?Ptrace(1:)=[370?250?120];%初始化要追蹤的檢波點的坐標
ptrace(1:)=[ceil(Ptrace(11))-1?ceil(Ptrace(12))-1?ceil(Ptrace(13))-1];%同步初始化實際追蹤點坐標
%?for?t=1:1:l*5?%循環次數取大一點,保證追蹤到震源附近,大多數時候選的比網格點多一點就行了
for?t=1:1:l*5
%?????for?i=1:1:64
????????for?ii=1:1:64
c{1}=[-1?-1?-1];c{2}=[0?-1?-1];c{3}=[1?-1?-1];c{4}=[2?-1?-1];
c{5}=[-1?0?-1];c{6}=[0?0?-1];c{7}=[1?0?-1];c{8}=[2?0?-1];
c{9}=[-1?1?-1];c{10}=[0?1?-1];c{11}=[1?1?-1];c{12}=[2?1?-1];
c{13}=[-1?2?-1];c{14}=[0?2?-1];c{15}=[1?2?-1];c{16}=[2?2?-1];
c{17}=[-1?-1?0];c{18}=[0?-1?0];c{19}=[1?-1?0];c{20}=[2?-1?0];
c{21}=[-1?0?0];c{22}=[0?0?0];c{23}=[1?0?0];c{24}=[2?0?0];
c{25}=[-1?1?0];c{26}=[0?1?0];c{27}=[1?1?0];c{28}=[2?1?0];
c{29}=[-1?2?0];c{30}=[0?2?0];c{31}=[1?2?0];c{32}=[2?2?0];
c{33}=[-1?-1?1];c{34}=[0?-1?1];c{35}=[1?-1?1];c{36}=[2?-1?1];
c{37}=[-1?0?1];c{38}=[0?0?1];c{39}=[1?0?1];c{40}=[2?0?1];
c{41}=[-1?1?1];c{42}=[0?1?1];c{43}=[1?1?1];c{44}=[2?1?1];
c{45}=[-1?2?1];c{46}=[0?2?1];c{47}=[1?2?1];c{48}=[2?2?1];
c{49}=[-1?-1?2];c{50}=[0?-1?2];c{51}=[1?-1?2];c{52}=[2?-1?2];
c{53}=[-1?0?2];c{54}=[0?0?2];c{55}=[1?0?2];c{56}=[2?0?2];
c{57}=[-1?1?2];c{58}=[0?1?2];c{59}=[1?1?2];c{60}=[2?1?2];
c{61}=[-1?2?2];c{62}=[0?2?2];c{63}=[1?2?2];c{64}=[2?2?2];
WG0{tii}=c{ii};%生成網格坐標基本cell
WG{tii}=WG0{tii}+ptrace(t:);%生成網格坐標cell,即輸出。
????????end
????%%%%%%%%第一層%%%%%%%%%%
????T0(t1)=(1-(Ptrace(t1)-WG{t22}(11)))^3*(1-(Ptrace(t2)-WG{t22}(12)))^3*(1-(Ptrace(t3)-WG{t22}(13)))^3*A(WG{t1}(11)WG{t1}(12)WG{t1}(13))/(6*6*6);
????T0(t2)=(3*(Ptrace(t1)-WG{t22}(11))^3-6*(Ptrace(t1)-WG{t22}(11))^2+4)*(1-(Ptrace(t2)-WG{t22}(12)))^3*...
????????(1-(Ptrace(t3)-WG{t22}(13)))^3*A(WG{t2}(11)WG{t2}(12)WG{t2}(13))/(6*6*6);
????T0(t3)=(-3*(Ptrace(t1)-WG{t22}(11))^3+3*(Ptrace(t1)-WG{t22}(11))^2+3*(Ptrace(t1)-WG{t22}(11))+1)*(1-(Ptrace(t2)-WG{t22}(12)))^3*...
????????(1-(Ptrace(t3)-WG{t22}(13)))^3*A(WG{t3}(11)WG{t3}(12)WG{t3}(13))/(6*6*6);
????T0(t4)=(Ptrace(t1)-WG{t22}(11))^3*(1-(Ptrace(t2)-WG{t22}(12)))^3*...
????????(1-(Ptrace(t3)-WG{t22}(13)))^3*A(WG{t4}(11)WG{t4}(12)WG{t4}(13))/(6*6*6);
????T0(t5)=(1-(Ptrace(t1)-WG{t22}(11)))^3*(3*(Ptrace(t2)-WG{t22}(12))^3-6*(Ptra

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????68152??2017-08-07?10:23??alxray.m
?????文件????????1740??2017-08-06?17:02??huatu.m
?????文件??????354028??2017-01-09?11:31??alx.mat

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