Nghĩa của từ mean carrier frequency bằng Tiếng Việt
@Chuyên ngành kỹ thuật
@Lĩnh vực: toán & tin
-tần số sóng mang trung bình
Đặt câu có từ "mean carrier frequency"
1. Carrier frequency repeaters
2. The carrier frequency is coded by # % amplitude modulation
3. An amplitude-modulated signal has frequency components both above and below the carrier frequency.
Tín hiệu điều chế biên độ có cả thành phần tần số trên và dưới của tần số sóng mang.
4. The carrier frequency is coded by 100 % amplitude modulation.
5. The carrier pulses of the pulse frequency modulator were frequency modulated by the input analog signal.
6. Rather, the carrier frequency swoops up or down about an octave.
7. The result is a gene frequency of approximately 1:90 and a carrier frequency of about 1:46.
8. The carrier frequency is coded by # % amplitude modulation m using electronic encoder
9. Configuration for the digital-analog conversion of a high-frequency digital input signal into a carrier-frequency analog output signal
10. a. an acoustic carrier frequency outside the range from 20 to 60 kHz;
11. an acoustic carrier frequency outside the range from 20 kHz to 60 kHz;
12. An acoustic carrier frequency outside the range from 20 kHz to 60 kHz;
13. The carrier frequency is coded by 100 % amplitude modulation m using electronic encoder.
14. When a transmitter broadcasts an NTSC signal, it amplitude-modulates a radio-frequency carrier with the NTSC signal just described, while it frequency-modulates a carrier 4.5 MHz higher with the audio signal.
15. a. an acoustic carrier frequency outside the range from 20 kHz to 60 kHz;
16. The carrier must be reintroduced at the receiver by a beat frequency oscillator (BFO).
Sóng tải phải được đưa vào trở lại bởi một bộ dao động phách (beat frequency oscillator - BFO).
17. This carrier wave usually has a much higher frequency than the input signal does.
Sóng tải thường có tần số cao hơn so với tần số của tín hiệu mà nó truyền tải.
18. a. An acoustic carrier frequency outside the range from 20 kHz to 60 kHz;
19. When NTSC is broadcast, a radio frequency carrier is amplitude modulated by the NTSC signal just described, while an audio signal is transmitted by frequency modulating a carrier 4.5 MHz higher. If the signal is affected by non-linear distortion, the 3.58 MHz color carrier may beat with the sound carrier to produce a dot pattern on the screen.
20. The AGC detector (30) includes a second filter (35) operative to attenuate a predetermined carrier frequency.
21. Earth, carrier and domestic installation cables, radio cables, aerial cords, low-frequency cables, high-tension cables
22. Orthogonal frequency-division multiplexing (OFDM) is a method of encoding digital data on multiple carrier frequencies.
23. The local oscillator generates a local oscillator frequency between two carrier frequencies of adjacent radio channels.
24. After sound (amplitude modulation, AM) transmission began around 1920, the term evolved to mean a demodulator, (usually a vacuum tube) which extracted the audio signal from the radio frequency carrier wave.
Sau khi âm thanh (điều chế biên độ, AM) bắt đầu vào khoảng năm 1920, thuật ngữ này tiến hóa thành một bộ giải điều chế, (thường là một ống chân không) tách tín hiệu âm thanh ra khỏi sóng mang sóng vô tuyến.
25. The actual excitation signal can be extracted from the spectrum of the amplitude-modulated carrier signal, for example by suitably selecting the frequency of the carrier signal.