step waveform 中文意思是什麼
step waveform
解釋
階躍波形-
For these aims, preliminary research has been carried and dcm - wv software package has been developed : the definition of waveform information object ( include haemodynamics waveform and electrocardiogram ) has been accomplished. that is the first step to fulfil dicom - support of waveform equipment
為達到這一目的，在pc機上開發了dcm - wv軟體包，對波形類儀器的dicom支持做了初步研究：完成波形的信息對象定義，這是解決波形類儀器支持dicom標準的第一步。 -
Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal
考慮到目標信息提取的相對完整性，以高頻雷達為背景，在對多載波相位編碼脈沖串信號參數設計的基礎上，推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼階梯跳頻信號，在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載波相位編碼信號的波形設計和分析、信號的處理打下基礎。 -
And the waveform of the transmitted signals was designed based on the target distance ( 5 ~ 50m ). the waveform is triangular fmcw with central frequency at 6ghz, modulation bandwidth 100mhz, modulation period 10 s, step frequency 0. 2mhz, and step time 10ns
在此基礎上，設計發射信號波形參數為三角形調頻連續波，中心頻率6ghz ，調制帶寬100mhz ，調制周期10 s ，步進頻率0 . 2mhz ，步進時間10ns 。 -
Via theoretical analyzing, we can find that the step reference waveform modulation strategy is an ideal one when frequency modulation ratio is not very high
通過理論分析，可以看出階梯波調制pwm的確是在頻率調制比不高時較好的調制方式。 -
In chapter 3, on the basis of analyzing and comparing with some common pwm modulation methods, a step reference waveform modulation strategy is proposed
在第三章中，在對一些常用的pwm調制方法進行分析比較的基礎上，著重介紹了階梯波調制pwm技術。 -
After debugging the waveform control system and man - machine interface system, we program constant - current control software and research respectively the current and voltage step response of power source. at last, the carbon dioxide welding method is realized in the welding machine controlled by the waveform control program. the simulated load test is also made here
本文在完成所設計的波形控制系統和人機介面交互系統的調試后，首先編寫軟體實現了電源的恆流控制，並研究了該電源的電流、電壓的動態響應性能，最後，編寫控制軟體實現了雙斜率波形控制co2焊的功能並進行了模擬短路過渡負載試驗。 -
In this paper, the real - time detecting method for harmonic current need only that the constructed voltage system be in step with the real voltage system ( which can be obtained by cross - zero detection to voltage waveform ), meanwhile, we have testified in concerned chapter that the phase is not important for the constructed voltage system
本文所提出的諧波電流實時檢測方法，其前提只是要求構造系統與原有電壓系統同步（這可以通過對電壓波形的過零檢測來實現） ，而對于構造系統的相位卻沒有嚴格的要求，本文並在相應位置給予了其證明。
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