本工作利用电视和微处理技术，把整幅阴极象存入微机内存，经处理后推算出阴极电流密度。
The estimation of the cathode current density of CRTs from cathode image by means of TV camera and micro-processing technique is proposed.
根据显象管阴极电流模拟值等于整幅图象的电流数字值之和的原理，可推出各象素的发射电流密度。
It is supposed that the relation between the analog current and the summation of the digital current value of picture element is equal.
根据显象管阴极电流模拟值等于整幅图象的电流数字值之和的原理，可推出各象素的发射电流密度。
It is supposed that the relation between the analog current and the summation of the digital current value of picture element is equal.
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