rf造句
1. Silicon NPN transistor. RF power driver.
2. Two dual SPST switches, low-voltage, bidirectional RF/video switch.
3. Without the effect of the dominant epistatic inhibition gene (Rf), the dominant male sterile gene (Ms) can be stably expressed in different genetic backgrounds.
4. One of them is the RF TV tuner for digital High - Definition Television ( HDTV ).
5. In addition, he was also engaged in the RF front-end development of cable and satellite for digital TV and led the project return channel for cable.
6. The relation between low- pressure capacitive RF (radio frequency ) discharge current density and the ion energy flux when reaching the material surface is investigated.
7. To prevent performance degradation, RF and microwave connectors must be free of foreign materials.
8. Objective: To identify the diagnostic value of anti-cyclic citrullinated peptide (anti-CCP) antibodies and rheumatoid factor (RF) in patients with rheumatoid arthritis (RA).
9. In this paper, the principle of RF - sampling frequency down - converter is discussed.
10. The paper has researched the RF power detecting circuit which as a new function of transceiver.
11. The amplified RF signal goes to the feedback winding (L2) to form positive feedback.
12. Results:The patients were assigned to two groups according to E/A ratio or deceleration time (DT), or both:restrictive filling (RF) group and nonrestrictive filling (NRF) group.
13. The mechanism of scribing ceramic substrate by using RF CO2 laser is analyzed. The design of the scribing system is presented.
14. The combination of anti - CCP and RF had a high specificity ( 93.3 % ).
15. Aluminum film was grown on modified fluorinated polymer composite films by rf magnetron sputtering.
16. Some optimization designs were made with the on-chip inductor and the RF switches to get the maximum Q-value.
17. Its performance directly affects on GPS receiver sensitivity and signal processing. So it is valuable to research and design the GPS RF front end circuit.
18. Based on characteristics of PIN diode switch circuit in RF signal switching, a PIN electronic switch circuit is designed to perform filter switching.
19. A voltage reference circuit with high precision is designed for the whole RF transceiver system.
20. Special attention was paid to study the designing principle of I-CDMA network in the aspects of RF design and data communication network design.
21. Simulation results showed that by the algorithm the average error is 10%, while the position error is about 20% of nodes' RF transmission range if the ratio of anchor nodes is 10%.
22. So the research on high frequency relay is obviously urgent. RF performance is an important criterion to evaluate the performance of high frequency relay.
23. This equivalent computation method of noise power density has a good instructional meaning to noise analysis and proper system modeling of RF receivers.
24. This paper discusses a standard antenna method related to the measurement of the RF voltage and the calibration of the equipments.
25. The outer conductor contact has the advantages of higher efficiency, better quality and lower cost, and is applied to the connectors of the RF coaxial cables.
26. Answer: by end - use can be divided into bare wire, insulated wire, heat-resistant wires, shielded wires, power cables, control cables, communication cables, RF cables.
27. So, in this work , AlN thin films were prepared by RF magnetron sputtering deposition method.
28. This paper introduces the Standardized testing items and method for mobile phone and WLAN into RF performances of Military Radio, make the RF performance to be quantifiability.
29. In order to reduce errors and obtain highest measurement precision, microwave receiver must be synchronized with input RF pulse to maximize receiver response.
30. A non-linear device or junction in the input circuit can rectify the RF energy and cause significant errors.
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