A laser radar multi-channel photon counting and analog detection device and method
A technology of photon counting and laser radar, which is applied in the field of photon counting detection and analog detection, laser radar multi-channel photon counting and analog detection devices, can solve the problems of high time resolution, high linearity and dynamic range of analog acquisition channels, and reduce the Handle pressure, facilitate upgrades and function enhancements, and increase the effect of photon counting rate
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[0084] like figure 1 As shown, this embodiment provides a laser radar multi-channel photon counting and analog detection device, including an analog signal conditioning acquisition module, a photon signal shaping module, a clock distribution module, a power management module, an external interface module, a low-speed FPGA module and High-speed FPGA modules.
[0085] The clock distribution module of this embodiment integrates three kinds of clock source frequencies, which are 1GHz, 60MHz and 33.333MHz respectively. The slow clock source 60MHz is connected to the low-speed FPGA module. After the system is powered on, the low-speed FPGA module uses this clock to control the board power supply Chip power-on sequence, and configure the internal registers of the clock distribution chip LMK010 through the SPI bus to make the clock chip work in the correct mode. 33.333MHz is the reference clock of the ARM processor inside the high-speed FPGA, which is connected to the dedicated pins ...
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