主权项 |
1. A detector system, comprising
a) a detector body (108),
1) said detector body (108) having a first end (110) and a second end (126),2) said detector body (108) defining an open cylindrical cell (138) between said first end (110) and said second end (126), said cylindrical cell (138) having a centerline (139),3) said detector body (108) having a discharge gas inlet (134) therethrough proximate said first end (110),4) said detector body (108) having a column inlet (132) therethrough proximate said second end (126),5) said detector body (108) having an outlet (144) therethrough proximate said second end (126); b) said cell (138) having a discharge section (140) and a reaction section (142),
1) said discharge section (140) intermediate said reaction section (142) and said discharge gas inlet (134),2) said reaction section (142) intermediate said discharge section (140) and said outlet (144); c) a first discharge electrode (104),
1) said first discharge electrode (104) having a first end (106) having an exposed surface in said cell (138) of said detector body (108) in said discharge section (140); d) a second discharge electrode (114),
1) said second discharge electrode (114) having a first end (116) having an exposed surface in said cell (138) of said detector body (108) in said discharge section (140),2) said second discharge electrode first end (116) separated from said first discharge electrode first end (106) sufficient for electrical spark generation; e) a first bias/collecting electrode (206a) having an exposed surface in said cell (138) of said detector body (108) in said reaction section (142)
1) a first bias source (304a) adapted to provide a first bias voltage to said first bias/collecting electrode (206a),2) said first bias/collecting electrode (206a) adapted to generate a time-dependent first bias/collecting electrode current output (305a); f) a second bias/collecting electrode (206b) having an exposed surface in said cell (138) of said detector body (108) in said reaction section (142);
1) a second bias source (304b) adapted to provide a second bias voltage to said second bias/collecting electrode (206b);2) said second bias/collecting electrode (206b) adapted to generate a time-dependent second bias/collecting electrode current output (305b); g) a first current-to-voltage converter (307a),
1) said first current-to-voltage converter (307a) adapted to generate a time-dependent first bias/collector electrode voltage output (309a) based on said time-dependent first bias/collecting electrode current output (305a); h) a second current-to-voltage converter (307b),
1) said second current-to-voltage converter (307b) adapted to generate a time-dependent second bias/collector electrode voltage output (309b) based on said gain-adjusted time-dependent second bias/collecting electrode current output (305b); i) a first voltage polarity inverter (318b),
1) said first voltage polarity inverter (318b) adapted to generate a polarity-inverted time-dependent first bias/collecting electrode voltage output (322b) by altering the value of said time-dependent first bias/collector electrode voltage output (309b) from negative to positive; j) a first gain adjuster (311b)
1) said first gain adjuster (311b) adapted to generate a gain-adjusted time-dependent second bias/collecting electrode voltage output (314b) by multiplying said time-dependent second bias/collecting electrode voltage output (309b) by a first gain value; k) a time-dependent voltage aggregator (326),
1) said time-dependent voltage aggregator (326) adapted to determine and eliminate the delay time between said polarity-inverted time-dependent first bias/collector electrode voltage output (322a) and said gain-adjusted time-dependent second bias/collector electrode voltage output (314b) to generate a time-shifted gain-adjusted time-dependent second bias/collector electrode voltage output,2) said time-dependent voltage aggregator (326) adapted to determine a time-dependent average output from said polarity-inverted time-dependent first bias/collector electrode voltage output (314a) and said time-shifted gain-adjusted time-dependent second bias/collector electrode voltage output,3) said time-dependent voltage aggregator (326) adapted to output said time dependent average output. |