Color waveform display method for digital oscilloscope
A digital oscilloscope and waveform display technology, applied in the direction of digital variable/waveform display, digital variable display, instruments, etc., can solve the problem of slow waveform speed, low resolution of single color brightness change, and inability to clearly observe complex Details of dynamic signal changes, etc.
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[0188] A color waveform display method of a digital oscilloscope reflects the frequency of occurrence of signals by displaying the warm and cold colors in the waveform. Such as figure 1 shown, including the following steps:
[0189] Step (1), performing color grouping on the maximum value range of the waveform frequency values counted within the display refresh timing time, to obtain the frequency value interval of each group of colors.
[0190] The setting of the display refresh timing can be adjusted according to the maximum value of the waveform frequency value counted within the timing time, so that the maximum value of the waveform frequency value is close to the power of two, so as to facilitate color grouping and discrimination.
[0191] Assume that the maximum value range of the waveform frequency value is [0,2 13 -1], the waveform frequency value can be expressed in 13-bit binary as: b 12 b 11 b 10 b 9 b 8 b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0 ; Assuming th...
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