%function?[stdevs?bound?F?avgNeighb]?=?calcLocalizationCRB（?x?y?blinds?total?channelParam?measMade?d_thr）
%??這是一外國佬寫的計算定位CRLB的程序
%OUTPUTS:
%?stdevs:????Bounds?for?the?standard?deviation?of?localization?error?（sqrt?of
%???????????????bound?on?x-variance?+?bound?on?y-variance）.
%?bound:?????The?matrix?bound?on?covariance
%?F:?????????The?fisher?information?matrix
%?avgNeighb:?Average?number?of?neighbors?per?sensor.??Useful?if?measMade
%???????????????radius?is?given?for?neighbor?inclusion?matrix.
%
%INPUTS:
%?x?and?y:??Actual?coordinate?vectors.??The?first?‘blinds‘?elements?are
%??????????????blindfolded?and?the?remaining?are?‘reference‘?or?‘anchor‘
%??????????????nodes.??x?and?y?must?be?row?vectors.
%?blinds:???Total?#?of?blindfolded?devices.??The?first?‘blinds‘?devices?must
%??????????????be?correspond?to?the?blindfolded?devices?the?rest?are?references.
%?total:????Total?#?of?devices.
%?channelParam:?Equal?to?sigmadB/n_p?for?the?case?of?RSS/QRSS?measurements?the?dB
%??????????????standard?deviation?of?fading?divided?by?the?path?loss?exponent.
%??????????????Or?for?the?case?of?TOA?measurements??equal?to?sigma_d?
%??????????????ie.?the?std.?dev.?of?distance?measurement?error?（meters）.??For?the?case?of?
%??????????????AOA?channelParam?=?sigma_a?the?std.?dev.?of?angle?measurement
%??????????????error?（radians）.??The?value?of?channelParam?can?be?scalar?if?the?channel?
%??????????????parameter?is?the?same?for?all?links?or?matrix?（total?by
%??????????????total）?if?each?link?has?a?different?channel?parameter
%?measMade:?Measurement?matrix.??measMade（ij）=1?if?i?and?j?make?a
%??????????????measurement?or?=0?if?not.??Default?is?all?ones.??If?a
%??????????????scalar?is?sent?for?measMade?it?is?considered?to?be?a
%??????????????radius:?if?||z_i-z_j||?%??????????????otherwise?they?don‘t.
%
%
%?AUTHOR:??Neal?Patwari?npatwari?（at）?umich?（dot）?edu?April?2004
%????????????http://www.engin.umich.edu/~npatwari/
%??????????AOA?part?added?by?Josh?Ash?ashj?（at）?ece?（dot）?osu?（dot）?edu?7/28/04
%
%?REF:?????“It?Takes?a?Network:?Cooperative?Geolocation?of?Wireless?Sensors“
%??????????（N.?Patwari?J.?Ash?S.?Kyperountas?A.?O.?Hero?R.?M.?Moses?N.?S.?Correal）?
%??????????accepted?to?IEEE?Signal?Processing?Magazine?expected?publication?July?2005.
%
%?EXAMPLE:?>>?n=20;?x=rand（1n）;?y=rand（1n）;
%??????????>>?[s?B?F?a]?=?calcCRBGivenLocsAny（‘T‘?x?y?15?n?0.2?0.75）;
%??????????>>?calcCRBGivenLocsAny（‘R‘?x?y?15?n?2.1）;
%??????????>>?calcCRBGivenLocsAny（‘Q‘?x?y?15?n?2.1?ones（n）?0.8:-0.2:0.2）
%
function?[stdevs?bound?F?avgNeighb]?=?calcLocalizationCRB（...
????x?y?blinds?total?channelParam?measMade）


%?1.?For?incomplete?measurements?use?symmetric?matrix?measMade?to?indicate?which?pairs
%????made?measurements?（1?for?a?measurement?0?for?no?measurement）.??The?default?
%????is?that?all?pairs?made?measurements.?
%???????Or?if?measMad

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????5193??2009-05-15?09:08??MDS定位算法\calcLocalizationCRB.m

?????文件?????????78??2011-08-31?09:22??MDS定位算法\Err.m

?????文件???????2076??2011-09-02?10:57??MDS定位算法\graphtest.m

?????文件????????712??2009-05-15?08:52??MDS定位算法\iterative_calculating.m

?????文件???????2122??2009-05-15?08:54??MDS定位算法\L2_distance.m

?????文件???????3347??2009-05-15?09:07??MDS定位算法\matrix_optimal.m

?????文件???????1802??2009-05-15?09:04??MDS定位算法\matrix_optimala.m

?????文件???????1994??2011-08-31?15:51??MDS定位算法\trygraphtest.m

?????目錄??????????0??2011-09-07?15:25??MDS定位算法

-----------?---------??----------?-----??----

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