In this dissertation a new type of embedded temperature control system of the greenhouse is designed. High precision, fast sampling and response speed, low power consumption are the goals.
本文设计的是一种新型的温室的嵌入式温度控制系统，以高精度，快速的采集和响应速度，低功耗为目标。
The structure reduces the rate of sampling and the speed of digital processing, and requires low-performance hardware, which can be realized easily.
采用这种结构大大降低了采样速率和数字信号处理的速度，对硬件性能要求低，比较容易实现。
To resolve the problems of low sampling and management speed, bad real time performance on traditional ultrasonic testing data-acquisition systems, one new system is designed.
针对传统超声探伤数据采集系统采样速率低、处理速度慢、实时性差的问题，设计了一种高速数据采集系统；
It contains a low power, high speed, 16-bit sampling ADC with no missing codes, an internal conversion clock, and a versatile serial interface port.
它内置一个低功耗、高速、16位不失码的采样adc、一个内部转换时钟和一个多功能串行接口。
It contains a low power, high speed, 18-bit sampling ADC and a versatile serial interface port.
它内置一个低功耗、高速、18位采样adc和一个多功能串行接口端口。
The low power consumption digital true random source comprises a high speed random oscillator signal generator, an alternative oscillation stop control unit, a clock generator and a sampling unit.
它包括高速随机振荡信号发生器、交错停振控制单元、时钟发生器和采样单元。
Aiming at data acquisition of radar echo signal with low SNR, IF band-pass sampling concept is proposed. High-speed acquisition card PCI_9820 is used to sample in real-time and store data.
针对低信噪比的雷达回波信号数据采集，文中给出了中频带通采样方案，并选用PC I_9820高速采集卡实时采集和存储数据。
Aiming at data acquisition of radar echo signal with low SNR, IF band-pass sampling concept is proposed. High-speed acquisition card PCI_9820 is used to sample in real-time and store data.
针对低信噪比的雷达回波信号数据采集，文中给出了中频带通采样方案，并选用PC I_9820高速采集卡实时采集和存储数据。
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