modulation造句
211. The soft symbol to bit mapping technique is an effective way to combine the multilevel modulation and binary decoding.
212. The frequency, correlation that outputs relation of n, modulation to wait set condition can store at most 100 group, OK call by need.
213. It uses the 1200 baud Bell 202 tone modulation and the first bit of data is transferred after receiving the first ring tone.
214. A communicator uses BPSK direct - sequence ( DS ) spreading modulation and BPSK data modulation.
215. The triggering angle modulation method of the sine-wave cyclo-converter is carried out, and the operating wave form of the designed system is put forward.
216. Similarly, the introduction of voice encoding techniques using pulse code modulation contributed to the concept's evolution.
217. A new lithology identification method based on axial amplitude modulation signal of drill string is proposed.
218. The phase modulation has some more advantages against CW, which uses ASK ( amplitude shift keying ).
219. This opens the possibility of a new type of cross modulation, where a beam of light at one of the absorption frequencies can turn on or off the light of the other.
220. It is clearly clarified the conceptions of quadrature modulation, quadrature exciting, quadrature receiving, and quadrature demodulation in the MRI system.
221. We also analysed the influence of amplitude modulation and frequency (or phase ) modulation on Interferometer Direction Finder.
222. The core circuit of local oscillator signal part, quadrature modulation part and frequency multiplier and amplifier part is designed and implemented.
222. Wish you can benefit fromand make progress everyday!
223. Through analyzing cutting waves and pulse width modulation, a new method of tracing current is presented.
224. The second, we summarize the optical heterodyning modulation technology, and calculate the spectrum of optical mm-wave signal generated by this modulation technology.
225. An assessment of modulation classifiers for ISI channels [ J ].
226. Two kinds of typical wideband signal, Frequency Modulation (FM) signal and Frequency Spread signal, is analyzed qualitatively with Wideband Ambiguity Function.
227. An analytic expression of the self-phase modulation induced by chirp in non-Kerr-like optical fibers with saturable nonlinearity is derived taking into account the fiber loss.
228. Even if correlation coefficient reaches 0.8 , STBC - AM still outperforms simple adaptive modulation schemes.
229. In order to make a research on the software radio, this thesis focuses on key techniques for radio receiver including: DDC technology, the channelization model, modulation and demodulation algorithm.
230. As an attosecond ultrafast modulation process, SFPB can be extended intrinsically to any sum-frequency of energy-levels.
231. EYS was the key basis of spinning technology determination direction and amplitude modulation.
232. The detection problems of single-component linear frequency modulation (LFM) signal are studied.
233. Model of QPSK modulation code integrity, and can be used directly.
234. CD23 plays a role in the development and progress of B - NHL and that this lymphokine might have great significance (pharmacological modulation ) in the treatment of B - NHL.
235. The simplest way to process power is using pulse width modulation ( PWM ) control of the switch.
236. Sub harmonic SPWM modulation is often used for medium frequency inverters.
237. Therefore, we use unipolar switching pulse width modulation scheme to realize a filterless Class - D power amplifier.
238. The fuzzy control already has obtained the satisfactory effect in the alternating and direct velocity modulation system and the servo system.
239. The performance of time-hopping pulse position modulation (TH-PPM) UWB system using MHP is studied under additive white Gaussian noise(AWGN)channel.
240. Morse code is a very simple example of pulse - code modulation.
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