analogy的含义是（）。

相似题目

• Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks？（）

  A . The three required steps in the analog to digital conversion are sampling，encoding，and compression. B . The three required steps in the analog to digital conversion are sampling，quantization，and compression. C . The three required steps in the analog to digital conversion are sampling，quantization，and encoding. D . The output of the sampling process is a pulse code modulation （PCM） signal. E . The output of the sampling process is a pulse amplitude modulation （PAM） signal.

  查看最佳答案

• Which statement is true about the digital to analog conversion process？（）

  A . the two steps of digital to analog conversion are decompression and reconstruction of the analog signal B . the two steps of digital to analog conversion are decoding and filtering C . the two steps of digital to analog conversion are decompression and filtering of the analog signal D . the two steps of digital to analog conversion are quantization and decoding

  查看最佳答案

• In a VoIP network， which type of interface would an analog fax machine connect to？（）

  A .  Type 1 B .  Type 2 C .  FXS D .  FXO E .  E&M

  查看最佳答案

• 智能网结构中SMP的含义是（）、SCP的含义是（）、SDP的含义是（）、SMAP的含义是（）。

  查看最佳答案

• Operational amplifiers, used primarily in analog circuits, are characterized by（）

  A . high input impedance, high gain and low output impedance B . high input impedance, high gain and high output impedance C . low input impedance, low gain and high output impedance D . low input impedance, high gain and low output impedance

  查看最佳答案

• When analog signals are digitized using the G.711 codec， voice samples are encapsulated into protocol data units （PDUs） involving which three headers？ （）

  A . IP B . TCP C . RTP D . UDP E . H323 F . CRTP

  查看最佳答案

• What is the term that is used to describe the process of converting a signal from digital to analog？（）

  A .  packetization B .  quantization C .  decoding D .  sampling

  查看最佳答案

• When a router converts analog signals to digital signals， what three steps are always included in the process？（）

  A . involution B . encoding C . sampling D . quantization E . compression F . companding

  查看最佳答案

• What are two steps that are taken when a router converts a voice signal from analog to digital form？（）

  A . sampling B . packetization C . quantization D . serializatio

  查看最佳答案

• When a router converts analog signals to digital signals， what three steps are always included in the process？ （）

  A .  involution B .  encoding C .  sampling D .  quantization E .  compression F .  companding

  查看最佳答案

• Analog signal and digital signal are two kinds of signals in the form of control.

  查看最佳答案

• Which English proverb is analogous to the Chinese equivalent, “Nothing in the world is difficult for one who sets his mind to it”?

  查看最佳答案

• Which one of the following items is NOT a main purpose of an analogy?

  查看最佳答案

• Why does cognitive psychology consider the computer to be good analogy of the human brain?

  查看最佳答案

• Analogies are especially helpful in explaining abstract ideas , for they relate ideas that cannot be experienced through the senses of sight, smell, hearing, touch, or taste, to a sense experience, thus making the ideas easy to understand.

  查看最佳答案

• It is difficult to make an analogy _______ cars and airplane.

  查看最佳答案

• What does the author mean by stating in line 7 that “this analogy is not far off the mark”？

  A．The definition is not precise. B．The discussion lacks necessary information. C．The differences are probably significant. D．The comparison is quite appropriate.

  查看最佳答案

• What does the trip analogy suggest？

  A．These mothers are doing more than what is necessary. B．These parents care too much about the children C．This may cause delayed growth of the children. D．Parents may bring the same work ethic to parenting as they once did to their careers.

  查看最佳答案

• analogy（）

  A．n. 科目，主题，主语 B．n.类比；类推法 C．n. 危机；决定性时刻 D．n. 物种；种类；类型

  查看最佳答案

• According to Shannon's equation,what is the channel capacity of an analog voice-grade phon

  According to Shannon's equation, what is the channel capacity of an analog voice-grade phone line with a bandwidth of 3100 Hz and a signal-to-noise ratio or 30 dB？ A．9.1 Kbps B．9.3 Kbps C．30.9 Kbps D．30.17 Kbps

  查看最佳答案

• analogous（）

  A．相似的，类似的 B．值得纪念的，难忘的，值得注意的 C．质量的，定性的 D．高傲的，轻蔑的 E．断然拒绝，回绝，冷落 F．严谨，一丝不苟

  查看最佳答案

• The first step to process an analog signal digitally is to（）

  A．encode it by using the binary coding scheme B．quantize it in amplitude C．sample it at discrete time instant D．pass it through a D/A converte

  查看最佳答案

• A continuous signal is also called because its waveform is often analogous to that of the physical variable（）

  A．an analog signal B．a discrete signal C．a digital signal D．a sampled signal

  查看最佳答案