ppm造句
1. Finally, double-sided printing is slow at around 3 ppm.
2. PPM can transform the intermediate file into an NC...
3. Additionally, FSO systems employing on-off keying (OOK) and pulse-position modulation (PPM) in rain and fog conditions are discussed.
4. The design method for hybrid waveforms utilizing ran-dom poly-cell code pulse position modulation (PPM) and pulse-to-pulse binary sequences phase modulation (PM) is introduced in this paper.
5. In this dissertation applications of Pulse Position Modulation (PPM) in Optical Label Switching (OLS) technology have been investigated.
6. The application shows that PPM provides a new method which is intuitional and simple for the evaluation of national economy.
7. The performance of RS codes on different fields when the codes are used in an optical digital pulse-position modulation (PPM) system with direct-detection are discussed.
8. As a new communication technology, PPM(pulse position modulation)technology can be easily coded, and has a high efficiency of energy transmission.
9. One of the most critical points in optical PPM radio communication lies on the recovery of slot clock and frame synchronization signal.
10. Pretreatment with AgNO_3 (500 ppm)partly reversed the effects of Ethrel and ethylene.
11. One group ate food with 0.3? parts per -million (ppm) methylmercury, which most U.S. states would regard as too high for human consumption.
12. The IT analyst firm Giga refers to three types of portfolio management: IT asset management (ITAM), application portfolio management (APM), and project portfolio management (PPM).
13. The application shows that PPM provides a new method which is intuitional and simp...
14. This dissertation attempts to demodulate the Pulse Position Modulation (PPM) . It discusses the theories about this technology and makes simulation.
15. PPM Pixel Map Header File integrity of the source code can be used directly.
16. Pulse position amplitude modulation (PPAM) is a new modulation scheme that combines pulse position modulation (PPM) and pulse amplitude modulation (PAM) together.
17. The pacer width measurement is combined with the PPM measurement.
18. PPM can transform the intermediate file into an NC machi...
19. After the PPM modulation ultra-wide band signal after the Gauss white noise channel system simulation, and give the time domain and the frequency range chart!
20. Experiments she conducted in Hawaii show reefs will dissolve 48 percent faster when the level of CO2 in the atmosphere jumps from 400 parts per million to 750 ppm.
21. The main content of this article first space laser communication system analysis and several modulation techniques are compared, and details the PPM modulation.
22. Frame synchronization is a key part in Pulse Position Modulation. The performance of this part affects the whole performance of the PPM system.
23. 32 out of 48 products 67 percent contained 1, 4-dioxane at levels ranging from 0.27 to 35 ppm.
24. The most effective concentration of bee royal jelly is about 400 ppm.
25. The results show that different from that of pulse amplitude modulation (PAM), the cross-correlation function of PPM cannot be directly used to acquire timing due to the nonlinearity of PPM.
26. In the scant century and a half since then, we've bumped atmospheric carbon dioxide up to 390 ppm.
27. And a minority of scientists, led by NASA's outspoken expert, James Hansen, say even that's not enough: they think the concentration limit is 350 ppm—and we're already at 387 ppm.
28. This response was cau - sed by even lower concentration ( 0.01 ppm ).
29. According to the FDA, they do not directly regulate the amount of lead in cosmetics but they do regulate the lead in cosmetic colorants at 20 ppm.
30. Limitations: If resins containing formaldehyde are used to control shrinkage, the product is unlikely to meet the Nike adult requirement of 75 ppm.
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